#CB4038#CB4038

#CB4038 is a mid, vivid red. Relative luminance 0.166; OKLCH L 57.1% C 0.177 H 27.5°. Best body text is #FFFFFF at 4.85:1 contrast (WCAG AA passes).

Color values

HEX	#CB4038
RGB	rgb(203, 64, 56)
HSL	hsl(3, 59%, 51%)
HSV	hsv(3, 72%, 80%)
CMYK	cmyk(0%, 68.5%, 72.4%, 20.4%)
CIE-LAB	lab(47.82, 54.32, 36.00)
CIE-LCH	lch(47.82, 65.17, 33.53°)
OKLab	oklab(57.1% 0.157 0.0816)
OKLCH	oklch(57.1% 0.177 27.5)
XYZ	xyz(27.1788, 16.6528, 5.5238)
Luminance	0.1665 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CB4038 #38C3CB

analogous

#CB3879 #CB4038 #CB8938

triadic

#CB4038 #38CB40 #4038CB

tetradic

#CB4038 #79CB38 #38C3CB #8938CB

square

#CB4038 #79CB38 #38C3CB #8938CB

split-complementary

#CB4038 #38CB89 #3879CB

monochromatic

#6C211C #9D2F29 #CB4038 #D86F69 #E49D99

Accessibility & contrast

On white

4.85

#CB4038 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.33

#CB4038 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CB4038

4.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CB4038	#FFFFFF	#000000	##FFFFFF
##CB4038	1.00	4.85	4.33	4.85
#FFFFFF	4.85	1.00	21.00	1.00
#000000	4.33	21.00	1.00	21.00
##FFFFFF	4.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#675E36

Deuteranopia (green-blind)

#8A7D33

Tritanopia (blue-blind)

#DF133F

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #cb4038;
/* rgb */ color: rgb(203, 64, 56);
/* oklch */ color: oklch(57.1% 0.177 27.5);

Tailwind

colors: {
  custom: {
    50: '#e37d6f',
    500: '#cb4038',
    950: '#000000',
  },
}

SCSS

$custom: #cb4038;
$custom-light: #e37d6f;
$custom-dark: #000000;

JSON

{
  "hex": "#cb4038",
  "rgb": {
    "r": 203,
    "g": 64,
    "b": 56
  },
  "hsl": {
    "h": 3.265,
    "s": 58.566,
    "l": 50.784
  },
  "oklch": {
    "l": 0.57103,
    "c": 0.17692,
    "h": 27.5
  },
  "luminance": 0.16649
}

Semantic roles & 50–950 ramp

primary

#CB4038

secondary

#8FCCD0

accent

#D9E246

background

#FFF8F6

surface

#FEEFEC

border

#D6CAC7

text

#170A07

muted

#857C7A

Preview Lab

Preview with #CB4038

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

Preview Lab → · Contrast checker → · Palette generator →