#CB3E3C#CB3E3C

#CB3E3C is a mid, vivid red. Relative luminance 0.165; OKLCH L 56.9% C 0.178 H 25.5°. Best body text is #FFFFFF at 4.89:1 contrast (WCAG AA passes).

Color values

HEX	#CB3E3C
RGB	rgb(203, 62, 60)
HSL	hsl(1, 58%, 52%)
HSV	hsv(1, 70%, 80%)
CMYK	cmyk(0%, 69.5%, 70.4%, 20.4%)
CIE-LAB	lab(47.59, 55.29, 33.43)
CIE-LCH	lch(47.59, 64.61, 31.16°)
OKLab	oklab(56.95% 0.1608 0.0768)
OKLCH	oklch(56.95% 0.178 25.5)
XYZ	xyz(27.1698, 16.4720, 6.0229)
Luminance	0.1647 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CB3E3C #3CC9CB

analogous

#CB3C82 #CB3E3C #CB863C

triadic

#CB3E3C #3CCB3E #3E3CCB

tetradic

#CB3E3C #82CB3C #3CC9CB #863CCB

square

#CB3E3C #82CB3C #3CC9CB #863CCB

split-complementary

#CB3E3C #3CCB86 #3C82CB

monochromatic

#6F1F1E #9F2C2A #CB3E3C #D86E6C #E59E9D

Accessibility & contrast

On white

4.89

#CB3E3C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.29

#CB3E3C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CB3E3C

4.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CB3E3C	#FFFFFF	#000000	##FFFFFF
##CB3E3C	1.00	4.89	4.29	4.89
#FFFFFF	4.89	1.00	21.00	1.00
#000000	4.29	21.00	1.00	21.00
##FFFFFF	4.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#665E3A

Deuteranopia (green-blind)

#897C37

Tritanopia (blue-blind)

#DF0F3F

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #cb3e3c;
/* rgb */ color: rgb(203, 62, 60);
/* oklch */ color: oklch(56.9% 0.178 25.5);

Tailwind

colors: {
  custom: {
    50: '#e37c72',
    500: '#cb3e3c',
    950: '#000000',
  },
}

SCSS

$custom: #cb3e3c;
$custom-light: #e37c72;
$custom-dark: #000000;

JSON

{
  "hex": "#cb3e3c",
  "rgb": {
    "r": 203,
    "g": 62,
    "b": 60
  },
  "hsl": {
    "h": 0.839,
    "s": 57.895,
    "l": 51.569
  },
  "oklch": {
    "l": 0.56946,
    "c": 0.17821,
    "h": 25.5
  },
  "luminance": 0.16468
}

Semantic roles & 50–950 ramp

primary

#CB3E3C

secondary

#92D0D1

accent

#DFE147

background

#FFF7F6

surface

#FEEEEC

border

#D6C9C7

text

#170A08

muted

#857C7B

Preview Lab

Preview with #CB3E3C

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

Preview Lab → · Contrast checker → · Palette generator →