#CB4B3A#CB4B3A

#CB4B3A is a mid, vivid red. Relative luminance 0.180; OKLCH L 58.4% C 0.166 H 30.3°. Best body text is #000000 at 4.61:1 contrast (WCAG AA passes).

Color values

HEX	#CB4B3A
RGB	rgb(203, 75, 58)
HSL	hsl(7, 58%, 51%)
HSV	hsv(7, 71%, 80%)
CMYK	cmyk(0%, 63.1%, 71.4%, 20.4%)
CIE-LAB	lab(49.54, 49.83, 36.84)
CIE-LCH	lch(49.54, 61.97, 36.47°)
OKLab	oklab(58.4% 0.1433 0.0838)
OKLCH	oklch(58.4% 0.166 30.3)
XYZ	xyz(27.9113, 18.0381, 6.0141)
Luminance	0.1803 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CB4B3A #3ABACB

analogous

#CB3A71 #CB4B3A #CB933A

triadic

#CB4B3A #3ACB4B #4B3ACB

tetradic

#CB4B3A #71CB3A #3ABACB #933ACB

square

#CB4B3A #71CB3A #3ABACB #933ACB

split-complementary

#CB4B3A #3ACB93 #3A71CB

monochromatic

#6E261D #9E372A #CB4B3A #D8776A #E5A39B

Accessibility & contrast

On white

4.56

#CB4B3A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.61

#CB4B3A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #CB4B3A

4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CB4B3A	#FFFFFF	#000000	##000000
##CB4B3A	1.00	4.56	4.61	4.61
#FFFFFF	4.56	1.00	21.00	21.00
#000000	4.61	21.00	1.00	1.00
##000000	4.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E6437

Deuteranopia (green-blind)

#8E8036

Tritanopia (blue-blind)

#DF2C48

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #cb4b3a;
/* rgb */ color: rgb(203, 75, 58);
/* oklch */ color: oklch(58.4% 0.166 30.3);

Tailwind

colors: {
  custom: {
    50: '#e38371',
    500: '#cb4b3a',
    950: '#000000',
  },
}

SCSS

$custom: #cb4b3a;
$custom-light: #e38371;
$custom-dark: #000000;

JSON

{
  "hex": "#cb4b3a",
  "rgb": {
    "r": 203,
    "g": 75,
    "b": 58
  },
  "hsl": {
    "h": 7.034,
    "s": 58.233,
    "l": 51.176
  },
  "oklch": {
    "l": 0.58404,
    "c": 0.16602,
    "h": 30.3
  },
  "luminance": 0.18034
}

Semantic roles & 50–950 ramp

primary

#CB4B3A

secondary

#90C9D0

accent

#CFE146

background

#FFF8F6

surface

#FEEFEC

border

#D6CAC7

text

#170B07

muted

#857C7A

Preview Lab

Preview with #CB4B3A

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

Preview Lab → · Contrast checker → · Palette generator →