#CB3A51#CB3A51

#CB3A51 is a mid, vivid red. Relative luminance 0.163; OKLCH L 56.9% C 0.181 H 16.2°. Best body text is #FFFFFF at 4.93:1 contrast (WCAG AA passes).

Color values

HEX	#CB3A51
RGB	rgb(203, 58, 81)
HSL	hsl(350, 58%, 51%)
HSV	hsv(350, 71%, 80%)
CMYK	cmyk(0%, 71.4%, 60.1%, 20.4%)
CIE-LAB	lab(47.39, 57.98, 20.66)
CIE-LCH	lch(47.39, 61.55, 19.61°)
OKLab	oklab(56.91% 0.1735 0.0505)
OKLCH	oklch(56.91% 0.181 16.2)
XYZ	xyz(27.6296, 16.3206, 9.4783)
Luminance	0.1632 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CB3A51 #3ACBB4

analogous

#CB3A99 #CB3A51 #CB6B3A

triadic

#CB3A51 #51CB3A #3A51CB

tetradic

#CB3A51 #99CB3A #3ACBB4 #6B3ACB

square

#CB3A51 #99CB3A #3ACBB4 #6B3ACB

split-complementary

#CB3A51 #3ACB6B #3A99CB

monochromatic

#6E1D2A #9E2A3C #CB3A51 #D86A7C #E59BA7

Accessibility & contrast

On white

4.93

#CB3A51 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.26

#CB3A51 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CB3A51

4.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CB3A51	#FFFFFF	#000000	##FFFFFF
##CB3A51	1.00	4.93	4.26	4.93
#FFFFFF	4.93	1.00	21.00	1.00
#000000	4.26	21.00	1.00	21.00
##FFFFFF	4.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#615D51

Deuteranopia (green-blind)

#867B4D

Tritanopia (blue-blind)

#DE0F44

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #cb3a51;
/* rgb */ color: rgb(203, 58, 81);
/* oklch */ color: oklch(56.9% 0.181 16.2);

Tailwind

colors: {
  custom: {
    50: '#e27b81',
    500: '#cb3a51',
    950: '#000000',
  },
}

SCSS

$custom: #cb3a51;
$custom-light: #e27b81;
$custom-dark: #000000;

JSON

{
  "hex": "#cb3a51",
  "rgb": {
    "r": 203,
    "g": 58,
    "b": 81
  },
  "hsl": {
    "h": 350.483,
    "s": 58.233,
    "l": 51.176
  },
  "oklch": {
    "l": 0.56912,
    "c": 0.18074,
    "h": 16.2
  },
  "luminance": 0.16317
}

Semantic roles & 50–950 ramp

primary

#CB3A51

secondary

#90D0C6

accent

#E1C946

background

#FEF7F7

surface

#FDEEEE

border

#D5C9C9

text

#170A0A

muted

#857C7C

Preview Lab

Preview with #CB3A51

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

Preview Lab → · Contrast checker → · Palette generator →