#CB5437#CB5437

#CB5437 is a mid, vivid red. Relative luminance 0.193; OKLCH L 59.5% C 0.158 H 34.9°. Best body text is #000000 at 4.86:1 contrast (WCAG AA passes).

Color values

HEX	#CB5437
RGB	rgb(203, 84, 55)
HSL	hsl(12, 59%, 51%)
HSV	hsv(12, 73%, 80%)
CMYK	cmyk(0%, 58.6%, 72.9%, 20.4%)
CIE-LAB	lab(51.06, 45.59, 40.18)
CIE-LCH	lch(51.06, 60.77, 41.39°)
OKLab	oklab(59.54% 0.1295 0.0905)
OKLCH	oklch(59.54% 0.158 34.9)
XYZ	xyz(28.4914, 19.3168, 5.8419)
Luminance	0.1931 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CB5437 #37AECB

analogous

#CB3764 #CB5437 #CB9E37

triadic

#CB5437 #37CB54 #5437CB

tetradic

#CB5437 #64CB37 #37AECB #9E37CB

square

#CB5437 #64CB37 #37AECB #9E37CB

split-complementary

#CB5437 #37CB9E #3764CB

monochromatic

#6C2C1C #9C3F29 #CB5437 #D87E68 #E4A798

Accessibility & contrast

On white

4.32

#CB5437 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.86

#CB5437 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #CB5437

4.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CB5437	#FFFFFF	#000000	##000000
##CB5437	1.00	4.32	4.86	4.86
#FFFFFF	4.32	1.00	21.00	21.00
#000000	4.86	21.00	1.00	1.00
##000000	4.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#756933

Deuteranopia (green-blind)

#928334

Tritanopia (blue-blind)

#DF394E

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #cb5437;
/* rgb */ color: rgb(203, 84, 55);
/* oklch */ color: oklch(59.5% 0.158 34.9);

Tailwind

colors: {
  custom: {
    50: '#e2886f',
    500: '#cb5437',
    950: '#000000',
  },
}

SCSS

$custom: #cb5437;
$custom-light: #e2886f;
$custom-dark: #000000;

JSON

{
  "hex": "#cb5437",
  "rgb": {
    "r": 203,
    "g": 84,
    "b": 55
  },
  "hsl": {
    "h": 11.757,
    "s": 58.73,
    "l": 50.588
  },
  "oklch": {
    "l": 0.59535,
    "c": 0.15801,
    "h": 34.9
  },
  "luminance": 0.19313
}

Semantic roles & 50–950 ramp

primary

#CB5437

secondary

#8EC3D0

accent

#C3E246

background

#FEF8F6

surface

#FDF0EC

border

#D5CBC7

text

#170C07

muted

#857D7A

Preview Lab

Preview with #CB5437

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

Preview Lab → · Contrast checker → · Palette generator →