#CB3F43#CB3F43

#CB3F43 is a mid, vivid red. Relative luminance 0.167; OKLCH L 57.2% C 0.176 H 23.2°. Best body text is #FFFFFF at 4.85:1 contrast (WCAG AA passes).

Color values

HEX	#CB3F43
RGB	rgb(203, 63, 67)
HSL	hsl(358, 57%, 52%)
HSV	hsv(358, 69%, 80%)
CMYK	cmyk(0%, 69%, 67%, 20.4%)
CIE-LAB	lab(47.83, 55.26, 29.62)
CIE-LCH	lch(47.83, 62.70, 28.19°)
OKLab	oklab(57.16% 0.1622 0.0695)
OKLCH	oklch(57.16% 0.176 23.2)
XYZ	xyz(27.4221, 16.6607, 7.0810)
Luminance	0.1666 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CB3F43 #3FCBC7

analogous

#CB3F89 #CB3F43 #CB813F

triadic

#CB3F43 #43CB3F #3F43CB

tetradic

#CB3F43 #89CB3F #3FCBC7 #813FCB

square

#CB3F43 #89CB3F #3FCBC7 #813FCB

split-complementary

#CB3F43 #3FCB81 #3F89CB

monochromatic

#711F21 #A12C2F #CB3F43 #D86F72 #E59FA1

Accessibility & contrast

On white

4.85

#CB3F43 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.33

#CB3F43 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CB3F43

4.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CB3F43	#FFFFFF	#000000	##FFFFFF
##CB3F43	1.00	4.85	4.33	4.85
#FFFFFF	4.85	1.00	21.00	1.00
#000000	4.33	21.00	1.00	21.00
##FFFFFF	4.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#665E42

Deuteranopia (green-blind)

#897D3F

Tritanopia (blue-blind)

#DF1542

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #cb3f43;
/* rgb */ color: rgb(203, 63, 67);
/* oklch */ color: oklch(57.2% 0.176 23.2);

Tailwind

colors: {
  custom: {
    50: '#e37d77',
    500: '#cb3f43',
    950: '#000000',
  },
}

SCSS

$custom: #cb3f43;
$custom-light: #e37d77;
$custom-dark: #000000;

JSON

{
  "hex": "#cb3f43",
  "rgb": {
    "r": 203,
    "g": 63,
    "b": 67
  },
  "hsl": {
    "h": 358.286,
    "s": 57.377,
    "l": 52.157
  },
  "oklch": {
    "l": 0.5716,
    "c": 0.17644,
    "h": 23.2
  },
  "luminance": 0.16657
}

Semantic roles & 50–950 ramp

primary

#CB3F43

secondary

#94D1D0

accent

#E1DC47

background

#FFF7F7

surface

#FEEEED

border

#D6C9C8

text

#170A08

muted

#857C7B

Preview Lab

Preview with #CB3F43

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

Preview Lab → · Contrast checker → · Palette generator →