#CB3C3C#CB3C3C

#CB3C3C is a mid, vivid red. Relative luminance 0.163; OKLCH L 56.7% C 0.180 H 25.0°. Best body text is #FFFFFF at 4.94:1 contrast (WCAG AA passes).

Color values

HEX	#CB3C3C
RGB	rgb(203, 60, 60)
HSL	hsl(0, 58%, 52%)
HSV	hsv(0, 70%, 80%)
CMYK	cmyk(0%, 70.4%, 70.4%, 20.4%)
CIE-LAB	lab(47.31, 56.04, 33.10)
CIE-LCH	lch(47.31, 65.09, 30.57°)
OKLab	oklab(56.74% 0.1632 0.0761)
OKLCH	oklch(56.74% 0.18 25)
XYZ	xyz(27.0630, 16.2585, 5.9873)
Luminance	0.1625 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CB3C3C #3CCBCB

analogous

#CB3C84 #CB3C3C #CB843C

triadic

#CB3C3C #3CCB3C #3C3CCB

tetradic

#CB3C3C #84CB3C #3CCBCB #843CCB

square

#CB3C3C #84CB3C #3CCBCB #843CCB

split-complementary

#CB3C3C #3CCB84 #3C84CB

monochromatic

#6F1E1E #9F2A2A #CB3C3C #D86C6C #E59D9D

Accessibility & contrast

On white

4.94

#CB3C3C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.25

#CB3C3C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CB3C3C

4.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CB3C3C	#FFFFFF	#000000	##FFFFFF
##CB3C3C	1.00	4.94	4.25	4.94
#FFFFFF	4.94	1.00	21.00	1.00
#000000	4.25	21.00	1.00	21.00
##FFFFFF	4.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#655D3B

Deuteranopia (green-blind)

#887B37

Tritanopia (blue-blind)

#DF063E

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #cb3c3c;
/* rgb */ color: rgb(203, 60, 60);
/* oklch */ color: oklch(56.7% 0.180 25.0);

Tailwind

colors: {
  custom: {
    50: '#e37b72',
    500: '#cb3c3c',
    950: '#000000',
  },
}

SCSS

$custom: #cb3c3c;
$custom-light: #e37b72;
$custom-dark: #000000;

JSON

{
  "hex": "#cb3c3c",
  "rgb": {
    "r": 203,
    "g": 60,
    "b": 60
  },
  "hsl": {
    "h": 0,
    "s": 57.895,
    "l": 51.569
  },
  "oklch": {
    "l": 0.5674,
    "c": 0.18008,
    "h": 25
  },
  "luminance": 0.16254
}

Semantic roles & 50–950 ramp

primary

#CB3C3C

secondary

#92D1D1

accent

#E1E147

background

#FFF7F6

surface

#FEEEEC

border

#D6C9C7

text

#170A08

muted

#857C7B

Preview Lab

Preview with #CB3C3C

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

Preview Lab → · Contrast checker → · Palette generator →