#CB3F3E#CB3F3E

#CB3F3E is a mid, vivid red. Relative luminance 0.166; OKLCH L 57.1% C 0.177 H 25.1°. Best body text is #FFFFFF at 4.86:1 contrast (WCAG AA passes).

Color values

HEX	#CB3F3E
RGB	rgb(203, 63, 62)
HSL	hsl(0, 58%, 52%)
HSV	hsv(0, 69%, 80%)
CMYK	cmyk(0%, 69%, 69.5%, 20.4%)
CIE-LAB	lab(47.76, 55.00, 32.47)
CIE-LCH	lch(47.76, 63.87, 30.55°)
OKLab	oklab(57.08% 0.1603 0.075)
OKLCH	oklch(57.08% 0.177 25.1)
XYZ	xyz(27.2786, 16.6033, 6.3249)
Luminance	0.1660 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CB3F3E #3ECACB

analogous

#CB3E83 #CB3F3E #CB863E

triadic

#CB3F3E #3ECB3F #3F3ECB

tetradic

#CB3F3E #83CB3E #3ECACB #863ECB

square

#CB3F3E #83CB3E #3ECACB #863ECB

split-complementary

#CB3F3E #3ECB86 #3E83CB

monochromatic

#701F1E #A12C2B #CB3F3E #D86F6E #E59F9E

Accessibility & contrast

On white

4.86

#CB3F3E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.32

#CB3F3E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CB3F3E

4.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CB3F3E	#FFFFFF	#000000	##FFFFFF
##CB3F3E	1.00	4.86	4.32	4.86
#FFFFFF	4.86	1.00	21.00	1.00
#000000	4.32	21.00	1.00	21.00
##FFFFFF	4.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#665E3D

Deuteranopia (green-blind)

#897C3A

Tritanopia (blue-blind)

#DF1340

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #cb3f3e;
/* rgb */ color: rgb(203, 63, 62);
/* oklch */ color: oklch(57.1% 0.177 25.1);

Tailwind

colors: {
  custom: {
    50: '#e37d73',
    500: '#cb3f3e',
    950: '#000000',
  },
}

SCSS

$custom: #cb3f3e;
$custom-light: #e37d73;
$custom-dark: #000000;

JSON

{
  "hex": "#cb3f3e",
  "rgb": {
    "r": 203,
    "g": 63,
    "b": 62
  },
  "hsl": {
    "h": 0.426,
    "s": 57.551,
    "l": 51.961
  },
  "oklch": {
    "l": 0.57081,
    "c": 0.17701,
    "h": 25.1
  },
  "luminance": 0.16599
}

Semantic roles & 50–950 ramp

primary

#CB3F3E

secondary

#94D1D1

accent

#E0E147

background

#FFF7F7

surface

#FEEEED

border

#D6C9C8

text

#170A08

muted

#857C7B

Preview Lab

Preview with #CB3F3E

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

Preview Lab → · Contrast checker → · Palette generator →