#CB3959#CB3959

#CB3959 is a mid, vivid red. Relative luminance 0.163; OKLCH L 57.0% C 0.182 H 12.5°. Best body text is #FFFFFF at 4.92:1 contrast (WCAG AA passes).

Color values

HEX	#CB3959
RGB	rgb(203, 57, 89)
HSL	hsl(347, 58%, 51%)
HSV	hsv(347, 72%, 80%)
CMYK	cmyk(0%, 71.9%, 56.2%, 20.4%)
CIE-LAB	lab(47.43, 58.89, 15.83)
CIE-LCH	lch(47.43, 60.98, 15.04°)
OKLab	oklab(56.99% 0.1778 0.0396)
OKLCH	oklch(56.99% 0.182 12.5)
XYZ	xyz(27.8975, 16.3479, 11.1357)
Luminance	0.1634 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CB3959 #39CBAB

analogous

#CB39A2 #CB3959 #CB6239

triadic

#CB3959 #59CB39 #3959CB

tetradic

#CB3959 #A2CB39 #39CBAB #6239CB

square

#CB3959 #A2CB39 #39CBAB #6239CB

split-complementary

#CB3959 #39CB62 #39A2CB

monochromatic

#6D1D2E #9D2943 #CB3959 #D86982 #E49AAA

Accessibility & contrast

On white

4.92

#CB3959 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.27

#CB3959 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CB3959

4.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CB3959	#FFFFFF	#000000	##FFFFFF
##CB3959	1.00	4.92	4.27	4.92
#FFFFFF	4.92	1.00	21.00	1.00
#000000	4.27	21.00	1.00	21.00
##FFFFFF	4.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F5D59

Deuteranopia (green-blind)

#847B55

Tritanopia (blue-blind)

#DE1246

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #cb3959;
/* rgb */ color: rgb(203, 57, 89);
/* oklch */ color: oklch(57.0% 0.182 12.5);

Tailwind

colors: {
  custom: {
    50: '#e17a87',
    500: '#cb3959',
    950: '#000000',
  },
}

SCSS

$custom: #cb3959;
$custom-light: #e17a87;
$custom-dark: #000000;

JSON

{
  "hex": "#cb3959",
  "rgb": {
    "r": 203,
    "g": 57,
    "b": 89
  },
  "hsl": {
    "h": 346.849,
    "s": 58.4,
    "l": 50.98
  },
  "oklch": {
    "l": 0.56992,
    "c": 0.18215,
    "h": 12.5
  },
  "luminance": 0.16344
}

Semantic roles & 50–950 ramp

primary

#CB3959

secondary

#90D0C2

accent

#E2C046

background

#FEF7F8

surface

#FDEEEF

border

#D5C9CA

text

#170A0B

muted

#857C7C

Preview Lab

Preview with #CB3959

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

Preview Lab → · Contrast checker → · Palette generator →