#CB4639#CB4639

#CB4639 is a mid, vivid red. Relative luminance 0.174; OKLCH L 57.8% C 0.171 H 29.0°. Best body text is #FFFFFF at 4.69:1 contrast (WCAG AA passes).

Color values

HEX	#CB4639
RGB	rgb(203, 70, 57)
HSL	hsl(5, 58%, 51%)
HSV	hsv(5, 72%, 80%)
CMYK	cmyk(0%, 65.5%, 71.9%, 20.4%)
CIE-LAB	lab(48.73, 51.93, 36.47)
CIE-LCH	lch(48.73, 63.46, 35.08°)
OKLab	oklab(57.79% 0.1497 0.0828)
OKLCH	oklch(57.79% 0.171 29)
XYZ	xyz(27.5602, 17.3762, 5.7728)
Luminance	0.1737 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CB4639 #39BECB

analogous

#CB3975 #CB4639 #CB8F39

triadic

#CB4639 #39CB46 #4639CB

tetradic

#CB4639 #75CB39 #39BECB #8F39CB

square

#CB4639 #75CB39 #39BECB #8F39CB

split-complementary

#CB4639 #39CB8F #3975CB

monochromatic

#6D241D #9D3429 #CB4639 #D87369 #E4A19A

Accessibility & contrast

On white

4.69

#CB4639 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.47

#CB4639 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CB4639

4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CB4639	#FFFFFF	#000000	##FFFFFF
##CB4639	1.00	4.69	4.47	4.69
#FFFFFF	4.69	1.00	21.00	1.00
#000000	4.47	21.00	1.00	21.00
##FFFFFF	4.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B6137

Deuteranopia (green-blind)

#8C7E35

Tritanopia (blue-blind)

#DF2244

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #cb4639;
/* rgb */ color: rgb(203, 70, 57);
/* oklch */ color: oklch(57.8% 0.171 29.0);

Tailwind

colors: {
  custom: {
    50: '#e38070',
    500: '#cb4639',
    950: '#000000',
  },
}

SCSS

$custom: #cb4639;
$custom-light: #e38070;
$custom-dark: #000000;

JSON

{
  "hex": "#cb4639",
  "rgb": {
    "r": 203,
    "g": 70,
    "b": 57
  },
  "hsl": {
    "h": 5.342,
    "s": 58.4,
    "l": 50.98
  },
  "oklch": {
    "l": 0.5779,
    "c": 0.17106,
    "h": 29
  },
  "luminance": 0.17372
}

Semantic roles & 50–950 ramp

primary

#CB4639

secondary

#90CAD0

accent

#D4E246

background

#FFF8F6

surface

#FEEFEC

border

#D6CAC7

text

#170B07

muted

#857C7A

Preview Lab

Preview with #CB4639

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

Preview Lab → · Contrast checker → · Palette generator →