#CB4839#CB4839

#CB4839 is a mid, vivid red. Relative luminance 0.176; OKLCH L 58.0% C 0.169 H 29.6°. Best body text is #FFFFFF at 4.64:1 contrast (WCAG AA passes).

Color values

HEX	#CB4839
RGB	rgb(203, 72, 57)
HSL	hsl(6, 58%, 51%)
HSV	hsv(6, 72%, 80%)
CMYK	cmyk(0%, 64.5%, 71.9%, 20.4%)
CIE-LAB	lab(49.05, 51.08, 36.83)
CIE-LCH	lch(49.05, 62.98, 35.79°)
OKLab	oklab(58.03% 0.147 0.0836)
OKLCH	oklch(58.03% 0.169 29.6)
XYZ	xyz(27.6874, 17.6306, 5.8152)
Luminance	0.1763 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CB4839 #39BCCB

analogous

#CB3973 #CB4839 #CB9139

triadic

#CB4839 #39CB48 #4839CB

tetradic

#CB4839 #73CB39 #39BCCB #9139CB

square

#CB4839 #73CB39 #39BCCB #9139CB

split-complementary

#CB4839 #39CB91 #3973CB

monochromatic

#6D251D #9D3529 #CB4839 #D87569 #E4A29A

Accessibility & contrast

On white

4.64

#CB4839 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.53

#CB4839 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #CB4839

4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CB4839	#FFFFFF	#000000	##FFFFFF
##CB4839	1.00	4.64	4.53	4.64
#FFFFFF	4.64	1.00	21.00	1.00
#000000	4.53	21.00	1.00	21.00
##FFFFFF	4.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C6237

Deuteranopia (green-blind)

#8D7F35

Tritanopia (blue-blind)

#DF2645

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #cb4839;
/* rgb */ color: rgb(203, 72, 57);
/* oklch */ color: oklch(58.0% 0.169 29.6);

Tailwind

colors: {
  custom: {
    50: '#e38170',
    500: '#cb4839',
    950: '#000000',
  },
}

SCSS

$custom: #cb4839;
$custom-light: #e38170;
$custom-dark: #000000;

JSON

{
  "hex": "#cb4839",
  "rgb": {
    "r": 203,
    "g": 72,
    "b": 57
  },
  "hsl": {
    "h": 6.164,
    "s": 58.4,
    "l": 50.98
  },
  "oklch": {
    "l": 0.58026,
    "c": 0.16913,
    "h": 29.6
  },
  "luminance": 0.17627
}

Semantic roles & 50–950 ramp

primary

#CB4839

secondary

#90CAD0

accent

#D2E246

background

#FFF8F6

surface

#FEEFEC

border

#D6CAC7

text

#170B07

muted

#857C7A

Preview Lab

Preview with #CB4839

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

Preview Lab → · Contrast checker → · Palette generator →