#CB4D3B#CB4D3B

#CB4D3B is a mid, vivid red. Relative luminance 0.183; OKLCH L 58.7% C 0.164 H 30.7°. Best body text is #000000 at 4.66:1 contrast (WCAG AA passes).

Color values

HEX	#CB4D3B
RGB	rgb(203, 77, 59)
HSL	hsl(8, 58%, 51%)
HSV	hsv(8, 71%, 80%)
CMYK	cmyk(0%, 62.1%, 70.9%, 20.4%)
CIE-LAB	lab(49.89, 48.99, 36.67)
CIE-LCH	lch(49.89, 61.20, 36.82°)
OKLab	oklab(58.67% 0.1409 0.0837)
OKLCH	oklch(58.67% 0.164 30.7)
XYZ	xyz(28.0748, 18.3239, 6.1953)
Luminance	0.1832 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CB4D3B #3BB9CB

analogous

#CB3B71 #CB4D3B #CB953B

triadic

#CB4D3B #3BCB4D #4D3BCB

tetradic

#CB4D3B #71CB3B #3BB9CB #953BCB

square

#CB4D3B #71CB3B #3BB9CB #953BCB

split-complementary

#CB4D3B #3BCB95 #3B71CB

monochromatic

#6E271D #9F392A #CB4D3B #D8796B #E5A59C

Accessibility & contrast

On white

4.50

#CB4D3B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.66

#CB4D3B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #CB4D3B

4.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CB4D3B	#FFFFFF	#000000	##000000
##CB4D3B	1.00	4.50	4.66	4.66
#FFFFFF	4.50	1.00	21.00	21.00
#000000	4.66	21.00	1.00	1.00
##000000	4.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F6538

Deuteranopia (green-blind)

#8F8137

Tritanopia (blue-blind)

#DF2F49

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #cb4d3b;
/* rgb */ color: rgb(203, 77, 59);
/* oklch */ color: oklch(58.7% 0.164 30.7);

Tailwind

colors: {
  custom: {
    50: '#e28472',
    500: '#cb4d3b',
    950: '#000000',
  },
}

SCSS

$custom: #cb4d3b;
$custom-light: #e28472;
$custom-dark: #000000;

JSON

{
  "hex": "#cb4d3b",
  "rgb": {
    "r": 203,
    "g": 77,
    "b": 59
  },
  "hsl": {
    "h": 7.5,
    "s": 58.065,
    "l": 51.373
  },
  "oklch": {
    "l": 0.58667,
    "c": 0.16385,
    "h": 30.7
  },
  "luminance": 0.1832
}

Semantic roles & 50–950 ramp

primary

#CB4D3B

secondary

#91C9D1

accent

#CEE147

background

#FFF8F6

surface

#FEEFEC

border

#D6CAC7

text

#170B08

muted

#857C7B

Preview Lab

Preview with #CB4D3B

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

Preview Lab → · Contrast checker → · Palette generator →