#CB4536#CB4536

#CB4536 is a mid, vivid red. Relative luminance 0.172; OKLCH L 57.6% C 0.173 H 29.7°. Best body text is #FFFFFF at 4.73:1 contrast (WCAG AA passes).

Color values

HEX	#CB4536
RGB	rgb(203, 69, 54)
HSL	hsl(6, 59%, 50%)
HSV	hsv(6, 73%, 80%)
CMYK	cmyk(0%, 66%, 73.4%, 20.4%)
CIE-LAB	lab(48.54, 52.21, 37.93)
CIE-LCH	lch(48.54, 64.54, 36.00°)
OKLab	oklab(57.64% 0.1499 0.0854)
OKLCH	oklch(57.64% 0.173 29.7)
XYZ	xyz(27.4256, 17.2231, 5.3696)
Luminance	0.1722 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CB4536 #36BCCB

analogous

#CB3672 #CB4536 #CB8F36

triadic

#CB4536 #36CB45 #4536CB

tetradic

#CB4536 #72CB36 #36BCCB #8F36CB

square

#CB4536 #72CB36 #36BCCB #8F36CB

split-complementary

#CB4536 #36CB8F #3672CB

monochromatic

#6B241C #9C3428 #CB4536 #D87267 #E49F97

Accessibility & contrast

On white

4.73

#CB4536 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.44

#CB4536 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CB4536

4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CB4536	#FFFFFF	#000000	##FFFFFF
##CB4536	1.00	4.73	4.44	4.73
#FFFFFF	4.73	1.00	21.00	1.00
#000000	4.44	21.00	1.00	21.00
##FFFFFF	4.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B6133

Deuteranopia (green-blind)

#8C7E31

Tritanopia (blue-blind)

#DF1F42

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #cb4536;
/* rgb */ color: rgb(203, 69, 54);
/* oklch */ color: oklch(57.6% 0.173 29.7);

Tailwind

colors: {
  custom: {
    50: '#e3806e',
    500: '#cb4536',
    950: '#000000',
  },
}

SCSS

$custom: #cb4536;
$custom-light: #e3806e;
$custom-dark: #000000;

JSON

{
  "hex": "#cb4536",
  "rgb": {
    "r": 203,
    "g": 69,
    "b": 54
  },
  "hsl": {
    "h": 6.04,
    "s": 58.893,
    "l": 50.392
  },
  "oklch": {
    "l": 0.57635,
    "c": 0.17255,
    "h": 29.7
  },
  "luminance": 0.17219
}

Semantic roles & 50–950 ramp

primary

#CB4536

secondary

#8DC9D0

accent

#D2E246

background

#FFF8F6

surface

#FEEFEC

border

#D6CAC7

text

#170B07

muted

#857C7A

Preview Lab

Preview with #CB4536

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

Preview Lab → · Contrast checker → · Palette generator →