#CB3A3E#CB3A3E

#CB3A3E is a mid, vivid red. Relative luminance 0.161; OKLCH L 56.6% C 0.182 H 23.8°. Best body text is #FFFFFF at 4.98:1 contrast (WCAG AA passes).

Color values

HEX	#CB3A3E
RGB	rgb(203, 58, 62)
HSL	hsl(358, 58%, 51%)
HSV	hsv(358, 71%, 80%)
CMYK	cmyk(0%, 71.4%, 69.5%, 20.4%)
CIE-LAB	lab(47.07, 56.88, 31.65)
CIE-LCH	lch(47.07, 65.09, 29.09°)
OKLab	oklab(56.57% 0.1663 0.0732)
OKLCH	oklch(56.57% 0.182 23.8)
XYZ	xyz(27.0141, 16.0745, 6.2367)
Luminance	0.1607 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CB3A3E #3ACBC7

analogous

#CB3A86 #CB3A3E #CB7E3A

triadic

#CB3A3E #3ECB3A #3A3ECB

tetradic

#CB3A3E #86CB3A #3ACBC7 #7E3ACB

square

#CB3A3E #86CB3A #3ACBC7 #7E3ACB

split-complementary

#CB3A3E #3ACB7E #3A86CB

monochromatic

#6E1D1F #9E2A2D #CB3A3E #D86A6D #E59B9D

Accessibility & contrast

On white

4.98

#CB3A3E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.21

#CB3A3E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CB3A3E

4.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CB3A3E	#FFFFFF	#000000	##FFFFFF
##CB3A3E	1.00	4.98	4.21	4.98
#FFFFFF	4.98	1.00	21.00	1.00
#000000	4.21	21.00	1.00	21.00
##FFFFFF	4.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#635C3D

Deuteranopia (green-blind)

#887B39

Tritanopia (blue-blind)

#DF003D

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #cb3a3e;
/* rgb */ color: rgb(203, 58, 62);
/* oklch */ color: oklch(56.6% 0.182 23.8);

Tailwind

colors: {
  custom: {
    50: '#e37a73',
    500: '#cb3a3e',
    950: '#000000',
  },
}

SCSS

$custom: #cb3a3e;
$custom-light: #e37a73;
$custom-dark: #000000;

JSON

{
  "hex": "#cb3a3e",
  "rgb": {
    "r": 203,
    "g": 58,
    "b": 62
  },
  "hsl": {
    "h": 358.345,
    "s": 58.233,
    "l": 51.176
  },
  "oklch": {
    "l": 0.5657,
    "c": 0.18168,
    "h": 23.8
  },
  "luminance": 0.1607
}

Semantic roles & 50–950 ramp

primary

#CB3A3E

secondary

#90D0CF

accent

#E1DD46

background

#FFF7F7

surface

#FEEEED

border

#D6C9C8

text

#170A08

muted

#857C7B

Preview Lab

Preview with #CB3A3E

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

Preview Lab → · Contrast checker → · Palette generator →