#CB4338#CB4338

#CB4338 is a mid, vivid red. Relative luminance 0.170; OKLCH L 57.4% C 0.174 H 28.4°. Best body text is #FFFFFF at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#CB4338
RGB	rgb(203, 67, 56)
HSL	hsl(4, 59%, 51%)
HSV	hsv(4, 72%, 80%)
CMYK	cmyk(0%, 67%, 72.4%, 20.4%)
CIE-LAB	lab(48.26, 53.12, 36.50)
CIE-LCH	lch(48.26, 64.45, 34.49°)
OKLab	oklab(57.43% 0.1532 0.0827)
OKLCH	oklch(57.43% 0.174 28.4)
XYZ	xyz(27.3526, 17.0003, 5.5817)
Luminance	0.1700 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CB4338 #38C0CB

analogous

#CB3876 #CB4338 #CB8C38

triadic

#CB4338 #38CB43 #4338CB

tetradic

#CB4338 #76CB38 #38C0CB #8C38CB

square

#CB4338 #76CB38 #38C0CB #8C38CB

split-complementary

#CB4338 #38CB8C #3876CB

monochromatic

#6C221C #9D3229 #CB4338 #D87169 #E49F99

Accessibility & contrast

On white

4.77

#CB4338 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.40

#CB4338 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CB4338

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CB4338	#FFFFFF	#000000	##FFFFFF
##CB4338	1.00	4.77	4.40	4.77
#FFFFFF	4.77	1.00	21.00	1.00
#000000	4.40	21.00	1.00	21.00
##FFFFFF	4.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#696036

Deuteranopia (green-blind)

#8B7E33

Tritanopia (blue-blind)

#DF1B41

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #cb4338;
/* rgb */ color: rgb(203, 67, 56);
/* oklch */ color: oklch(57.4% 0.174 28.4);

Tailwind

colors: {
  custom: {
    50: '#e37f6f',
    500: '#cb4338',
    950: '#000000',
  },
}

SCSS

$custom: #cb4338;
$custom-light: #e37f6f;
$custom-dark: #000000;

JSON

{
  "hex": "#cb4338",
  "rgb": {
    "r": 203,
    "g": 67,
    "b": 56
  },
  "hsl": {
    "h": 4.49,
    "s": 58.566,
    "l": 50.784
  },
  "oklch": {
    "l": 0.57433,
    "c": 0.1741,
    "h": 28.4
  },
  "luminance": 0.16996
}

Semantic roles & 50–950 ramp

primary

#CB4338

secondary

#8FCBD0

accent

#D6E246

background

#FFF8F6

surface

#FEEFEC

border

#D6CAC7

text

#170A07

muted

#857C7A

Preview Lab

Preview with #CB4338

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

Preview Lab → · Contrast checker → · Palette generator →