#CB3D3C#CB3D3C

#CB3D3C is a mid, vivid red. Relative luminance 0.164; OKLCH L 56.8% C 0.179 H 25.2°. Best body text is #FFFFFF at 4.92:1 contrast (WCAG AA passes).

Color values

HEX	#CB3D3C
RGB	rgb(203, 61, 60)
HSL	hsl(0, 58%, 52%)
HSV	hsv(0, 70%, 80%)
CMYK	cmyk(0%, 70%, 70.4%, 20.4%)
CIE-LAB	lab(47.45, 55.67, 33.27)
CIE-LCH	lch(47.45, 64.85, 30.86°)
OKLab	oklab(56.84% 0.162 0.0764)
OKLCH	oklch(56.84% 0.179 25.2)
XYZ	xyz(27.1159, 16.3643, 6.0049)
Luminance	0.1636 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CB3D3C #3CCACB

analogous

#CB3C82 #CB3D3C #CB853C

triadic

#CB3D3C #3CCB3D #3D3CCB

tetradic

#CB3D3C #82CB3C #3CCACB #853CCB

square

#CB3D3C #82CB3C #3CCACB #853CCB

split-complementary

#CB3D3C #3CCB85 #3C82CB

monochromatic

#6F1E1E #9F2B2A #CB3D3C #D86D6C #E59D9D

Accessibility & contrast

On white

4.92

#CB3D3C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.27

#CB3D3C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CB3D3C

4.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CB3D3C	#FFFFFF	#000000	##FFFFFF
##CB3D3C	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)

#655D3A

Deuteranopia (green-blind)

#897C37

Tritanopia (blue-blind)

#DF0B3E

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #cb3d3c;
/* rgb */ color: rgb(203, 61, 60);
/* oklch */ color: oklch(56.8% 0.179 25.2);

Tailwind

colors: {
  custom: {
    50: '#e37c72',
    500: '#cb3d3c',
    950: '#000000',
  },
}

SCSS

$custom: #cb3d3c;
$custom-light: #e37c72;
$custom-dark: #000000;

JSON

{
  "hex": "#cb3d3c",
  "rgb": {
    "r": 203,
    "g": 61,
    "b": 60
  },
  "hsl": {
    "h": 0.42,
    "s": 57.895,
    "l": 51.569
  },
  "oklch": {
    "l": 0.56843,
    "c": 0.17915,
    "h": 25.2
  },
  "luminance": 0.1636
}

Semantic roles & 50–950 ramp

primary

#CB3D3C

secondary

#92D0D1

accent

#E0E147

background

#FFF7F6

surface

#FEEEEC

border

#D6C9C7

text

#170A08

muted

#857C7B

Preview Lab

Preview with #CB3D3C

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

Preview Lab → · Contrast checker → · Palette generator →