#CF4138#CF4138

#CF4138 is a mid, vivid red. Relative luminance 0.173; OKLCH L 57.9% C 0.180 H 27.8°. Best body text is #FFFFFF at 4.70:1 contrast (WCAG AA passes).

Color values

HEX	#CF4138
RGB	rgb(207, 65, 56)
HSL	hsl(4, 61%, 52%)
HSV	hsv(4, 73%, 81%)
CMYK	cmyk(0%, 68.6%, 72.9%, 18.8%)
CIE-LAB	lab(48.68, 55.24, 37.16)
CIE-LCH	lch(48.68, 66.58, 33.93°)
OKLab	oklab(57.88% 0.1594 0.0839)
OKLCH	oklch(57.88% 0.18 27.8)
XYZ	xyz(28.3394, 17.3357, 5.5945)
Luminance	0.1733 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CF4138 #38C6CF

analogous

#CF387B #CF4138 #CF8D38

triadic

#CF4138 #38CF41 #4138CF

tetradic

#CF4138 #7BCF38 #38C6CF #8D38CF

square

#CF4138 #7BCF38 #38C6CF #8D38CF

split-complementary

#CF4138 #38CF8D #387BCF

monochromatic

#71201B #A32F27 #CF4138 #DB7069 #E79F9B

Accessibility & contrast

On white

4.70

#CF4138 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.47

#CF4138 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CF4138

4.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CF4138	#FFFFFF	#000000	##FFFFFF
##CF4138	1.00	4.70	4.47	4.70
#FFFFFF	4.70	1.00	21.00	1.00
#000000	4.47	21.00	1.00	21.00
##FFFFFF	4.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#696036

Deuteranopia (green-blind)

#8D7F33

Tritanopia (blue-blind)

#E41240

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #cf4138;
/* rgb */ color: rgb(207, 65, 56);
/* oklch */ color: oklch(57.9% 0.180 27.8);

Tailwind

colors: {
  custom: {
    50: '#e67e6f',
    500: '#cf4138',
    950: '#000000',
  },
}

SCSS

$custom: #cf4138;
$custom-light: #e67e6f;
$custom-dark: #000000;

JSON

{
  "hex": "#cf4138",
  "rgb": {
    "r": 207,
    "g": 65,
    "b": 56
  },
  "hsl": {
    "h": 3.576,
    "s": 61.134,
    "l": 51.569
  },
  "oklch": {
    "l": 0.5788,
    "c": 0.18012,
    "h": 27.8
  },
  "luminance": 0.17332
}

Semantic roles & 50–950 ramp

primary

#CF4138

secondary

#90CFD3

accent

#DBE444

background

#FFF8F6

surface

#FFEFEC

border

#D7CAC7

text

#170A07

muted

#857C7A

Preview Lab

Preview with #CF4138

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

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