#CB3E3D#CB3E3D

#CB3E3D is a mid, vivid red. Relative luminance 0.165; OKLCH L 57.0% C 0.178 H 25.2°. Best body text is #FFFFFF at 4.89:1 contrast (WCAG AA passes).

Color values

HEX	#CB3E3D
RGB	rgb(203, 62, 61)
HSL	hsl(0, 58%, 52%)
HSV	hsv(0, 70%, 80%)
CMYK	cmyk(0%, 69.5%, 70%, 20.4%)
CIE-LAB	lab(47.60, 55.33, 32.87)
CIE-LCH	lch(47.60, 64.36, 30.71°)
OKLab	oklab(56.96% 0.1612 0.0757)
OKLCH	oklch(56.96% 0.178 25.2)
XYZ	xyz(27.1965, 16.4827, 6.1634)
Luminance	0.1648 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CB3E3D #3DCACB

analogous

#CB3D83 #CB3E3D #CB853D

triadic

#CB3E3D #3DCB3E #3E3DCB

tetradic

#CB3E3D #83CB3D #3DCACB #853DCB

square

#CB3E3D #83CB3D #3DCACB #853DCB

split-complementary

#CB3E3D #3DCB85 #3D83CB

monochromatic

#701F1E #A02C2B #CB3E3D #D86E6D #E59E9E

Accessibility & contrast

On white

4.89

#CB3E3D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.30

#CB3E3D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CB3E3D

4.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CB3E3D	#FFFFFF	#000000	##FFFFFF
##CB3E3D	1.00	4.89	4.30	4.89
#FFFFFF	4.89	1.00	21.00	1.00
#000000	4.30	21.00	1.00	21.00
##FFFFFF	4.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#665E3B

Deuteranopia (green-blind)

#897C38

Tritanopia (blue-blind)

#DF0F3F

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #cb3e3d;
/* rgb */ color: rgb(203, 62, 61);
/* oklch */ color: oklch(57.0% 0.178 25.2);

Tailwind

colors: {
  custom: {
    50: '#e37c73',
    500: '#cb3e3d',
    950: '#000000',
  },
}

SCSS

$custom: #cb3e3d;
$custom-light: #e37c73;
$custom-dark: #000000;

JSON

{
  "hex": "#cb3e3d",
  "rgb": {
    "r": 203,
    "g": 62,
    "b": 61
  },
  "hsl": {
    "h": 0.423,
    "s": 57.724,
    "l": 51.765
  },
  "oklch": {
    "l": 0.56961,
    "c": 0.17808,
    "h": 25.2
  },
  "luminance": 0.16479
}

Semantic roles & 50–950 ramp

primary

#CB3E3D

secondary

#93D1D1

accent

#E0E147

background

#FFF7F6

surface

#FEEEEC

border

#D6C9C7

text

#170A08

muted

#857C7B

Preview Lab

Preview with #CB3E3D

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

Preview Lab → · Contrast checker → · Palette generator →