#CB4C3B#CB4C3B

#CB4C3B is a mid, vivid red. Relative luminance 0.182; OKLCH L 58.5% C 0.165 H 30.3°. Best body text is #000000 at 4.64:1 contrast (WCAG AA passes).

Color values

HEX	#CB4C3B
RGB	rgb(203, 76, 59)
HSL	hsl(7, 58%, 51%)
HSV	hsv(7, 71%, 80%)
CMYK	cmyk(0%, 62.6%, 70.9%, 20.4%)
CIE-LAB	lab(49.72, 49.44, 36.48)
CIE-LCH	lch(49.72, 61.44, 36.42°)
OKLab	oklab(58.54% 0.1423 0.0833)
OKLCH	oklch(58.54% 0.165 30.3)
XYZ	xyz(28.0054, 18.1851, 6.1722)
Luminance	0.1818 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CB4C3B #3BBACB

analogous

#CB3B72 #CB4C3B #CB943B

triadic

#CB4C3B #3BCB4C #4C3BCB

tetradic

#CB4C3B #72CB3B #3BBACB #943BCB

square

#CB4C3B #72CB3B #3BBACB #943BCB

split-complementary

#CB4C3B #3BCB94 #3B72CB

monochromatic

#6E271D #9F382A #CB4C3B #D8786B #E5A49C

Accessibility & contrast

On white

4.53

#CB4C3B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.64

#CB4C3B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #CB4C3B

4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CB4C3B	#FFFFFF	#000000	##000000
##CB4C3B	1.00	4.53	4.64	4.64
#FFFFFF	4.53	1.00	21.00	21.00
#000000	4.64	21.00	1.00	1.00
##000000	4.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F6538

Deuteranopia (green-blind)

#8E8137

Tritanopia (blue-blind)

#DF2E49

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #cb4c3b;
/* rgb */ color: rgb(203, 76, 59);
/* oklch */ color: oklch(58.5% 0.165 30.3);

Tailwind

colors: {
  custom: {
    50: '#e28372',
    500: '#cb4c3b',
    950: '#000000',
  },
}

SCSS

$custom: #cb4c3b;
$custom-light: #e28372;
$custom-dark: #000000;

JSON

{
  "hex": "#cb4c3b",
  "rgb": {
    "r": 203,
    "g": 76,
    "b": 59
  },
  "hsl": {
    "h": 7.083,
    "s": 58.065,
    "l": 51.373
  },
  "oklch": {
    "l": 0.58542,
    "c": 0.16483,
    "h": 30.3
  },
  "luminance": 0.18181
}

Semantic roles & 50–950 ramp

primary

#CB4C3B

secondary

#91C9D1

accent

#CFE147

background

#FFF8F6

surface

#FEEFEC

border

#D6CAC7

text

#170B08

muted

#857C7B

Preview Lab

Preview with #CB4C3B

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

Preview Lab → · Contrast checker → · Palette generator →