Start generating
EF161C

#EF161C First Blood

#EF161C is a medium, vivid red named First Blood. In the RGB color model it is made of 93.7% red, 8.6% green and 11.0% blue (rgb(239, 22, 28)). Its HSL value is 358° hue, 87% saturation and 51% lightness, and in CMYK it is 0% cyan, 91% magenta, 88% yellow and 6% black. #EF161C is a warm color. Black text reads best on it, with a contrast ratio of 4.80:1.

Make a palette with #EF161C

#EF161C color conversion

HEX
RGB
HSL
HSB / HSV
HWB
CMYK
XYZ
CIELAB
CIELCh
CIELUV
OKLCH

Variations of #EF161C

Shades

Mixed with black: richer and darker.

EF161CD01217B10D1294090D7806085C03054202022A0101140000030000

Tints

Mixed with white: lighter and softer.

EF161CF4433AF95F52FD7668FF8B7EFFA093FFB3A9FFC7BEFFDAD3FFECE9

Tones

Mixed with gray: calmer and more muted.

EF161CE6332DDC433AD24F45C85A4FBE6258B36A60A770699B76718E7B78

Hues

The same lightness and chroma, rotated around the color wheel.

D32AB2DD1F9AE51481EB0966EE0A48EF161CDE4500CD5B00C06700B46F00AA7600

Temperatures

Cooler on the left, warmer on the right.

D14E60D74856DD404BE3363FE92A30EF161CF0211CF12A1CF2311CF2371BF33D1B

#EF161C color harmonies

Complementary

The opposite hue — maximum contrast and energy.

EF161C16EFE9
Open in generator →

Split complementary

The two hues next to the complement — contrast with less tension.

EF161C16EF7C1688EF
Open in generator →

Analogous

Neighbouring hues — calm, cohesive and natural.

EF161CEF1689EF7C16
Open in generator →

Triadic

Three hues evenly spaced at 120° — vibrant yet balanced.

EF161C1CEF16161CEF
Open in generator →

Tetradic

Two complementary pairs — rich, best with one dominant color.

EF161CEFE91616EFE9161CEF
Open in generator →

Square

Four hues spaced at 90° — bold and playful.

EF161C89EF1616EFE97D16EF
Open in generator →

#EF161C for color-blind viewers (and dogs)

How #EF161C appears with each type of color vision deficiency (Machado 2009 model) — and to your dog. Try the dog vision simulator →

  • Dog vision 53% similarHow dogs see it · simulated as #9A8805
  • Protanopia 48% similar1.3% of men, 0.02% of women · simulated as #685C17
  • Protanomaly 67% similar1.3% of men, 0.02% of women · simulated as #9D5710
  • Deuteranopia 53% similar1.2% of men, 0.01% of women · simulated as #9A8805
  • Deuteranomaly 68% similar5% of men, 0.35% of women · simulated as #B77009
  • Tritanopia 94% similar0.001% of men, 0.03% of women · simulated as #FF001E
  • Tritanomaly 96% similar0.0001% of men, 0.0001% of women · simulated as #FA001C
  • Achromatopsia 52% similar0.003% of men, 0.003% of women · simulated as #797979
  • Achromatomaly 66% similar0.001% of men, 0.001% of women · simulated as #A16A6A

#EF161C contrast checker

AaThe quick brown fox jumps over the lazy dog.
4.37:1 Poor#EF161C text on white
AA normalFailAAA normalFail
AA largePassAAA largeFail
AaThe quick brown fox jumps over the lazy dog.
4.80:1 Good#EF161C text on black
AA normalPassAAA normalFail
AA largePassAAA largePass

Need another background? Pick any pair in the palette generator and open the contrast panel.

Colors similar to #EF161C

Palettes with #EF161C

#EF161C in CSS

/* First Blood */
.color { color: #EF161C; }
.background { background-color: #EF161C; }
.border { border: 1px solid #EF161C; }

/* Other notations */
color: rgb(239 22 28);
color: hsl(358 87% 51%);
color: oklch(0.604 0.239 27.8);

#EF161C FAQ

What color is #EF161C?

#EF161C is a medium, vivid red. Its closest named color is First Blood. It belongs to the red color family and is a warm color.

What is the RGB value of #EF161C?

#EF161C is rgb(239, 22, 28) in RGB, hsl(358, 87%, 51%) in HSL and cmyk(0%, 91%, 88%, 6%) in CMYK.

What is the complementary color of #EF161C?

The complementary color of #EF161C is #16EFE9, which sits opposite it on the color wheel.

Which text color works on #EF161C?

Black text has the best contrast on #EF161C: 4.80:1, which meets the WCAG AA requirement of 4.5:1 for normal text.

Is #EF161C a warm or cool color?

#EF161C is a warm color.