#CF3F38#CF3F38

#CF3F38 is a mid, vivid red. Relative luminance 0.171; OKLCH L 57.7% C 0.182 H 27.2°. Best body text is #FFFFFF at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#CF3F38
RGB	rgb(207, 63, 56)
HSL	hsl(3, 61%, 52%)
HSV	hsv(3, 73%, 81%)
CMYK	cmyk(0%, 69.6%, 72.9%, 18.8%)
CIE-LAB	lab(48.40, 56.01, 36.85)
CIE-LCH	lch(48.40, 67.04, 33.34°)
OKLab	oklab(57.67% 0.1618 0.0832)
OKLCH	oklch(57.67% 0.182 27.2)
XYZ	xyz(28.2266, 17.1101, 5.5569)
Luminance	0.1711 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CF3F38 #38C8CF

analogous

#CF387D #CF3F38 #CF8A38

triadic

#CF3F38 #38CF3F #3F38CF

tetradic

#CF3F38 #7DCF38 #38C8CF #8A38CF

square

#CF3F38 #7DCF38 #38C8CF #8A38CF

split-complementary

#CF3F38 #38CF8A #387DCF

monochromatic

#711F1B #A32D27 #CF3F38 #DB6F69 #E79E9B

Accessibility & contrast

On white

4.75

#CF3F38 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.42

#CF3F38 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CF3F38

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CF3F38	#FFFFFF	#000000	##FFFFFF
##CF3F38	1.00	4.75	4.42	4.75
#FFFFFF	4.75	1.00	21.00	1.00
#000000	4.42	21.00	1.00	21.00
##FFFFFF	4.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#685F36

Deuteranopia (green-blind)

#8C7E33

Tritanopia (blue-blind)

#E40A3F

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #cf3f38;
/* rgb */ color: rgb(207, 63, 56);
/* oklch */ color: oklch(57.7% 0.182 27.2);

Tailwind

colors: {
  custom: {
    50: '#e67d6f',
    500: '#cf3f38',
    950: '#000000',
  },
}

SCSS

$custom: #cf3f38;
$custom-light: #e67d6f;
$custom-dark: #000000;

JSON

{
  "hex": "#cf3f38",
  "rgb": {
    "r": 207,
    "g": 63,
    "b": 56
  },
  "hsl": {
    "h": 2.781,
    "s": 61.134,
    "l": 51.569
  },
  "oklch": {
    "l": 0.57669,
    "c": 0.18196,
    "h": 27.2
  },
  "luminance": 0.17106
}

Semantic roles & 50–950 ramp

primary

#CF3F38

secondary

#90D0D3

accent

#DDE444

background

#FFF8F6

surface

#FFEFEC

border

#D7CAC7

text

#180A07

muted

#867C7A

Preview Lab

Preview with #CF3F38

Body copy rendered with the generated semantic roles for this colour.

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