#CB3E39#CB3E39

#CB3E39 is a mid, vivid red. Relative luminance 0.164; OKLCH L 56.9% C 0.179 H 26.6°. Best body text is #FFFFFF at 4.90:1 contrast (WCAG AA passes).

Color values

HEX	#CB3E39
RGB	rgb(203, 62, 57)
HSL	hsl(2, 58%, 51%)
HSV	hsv(2, 72%, 80%)
CMYK	cmyk(0%, 69.5%, 71.9%, 20.4%)
CIE-LAB	lab(47.55, 55.15, 35.11)
CIE-LCH	lch(47.55, 65.38, 32.49°)
OKLab	oklab(56.9% 0.1598 0.0799)
OKLCH	oklch(56.9% 0.179 26.6)
XYZ	xyz(27.0927, 16.4412, 5.6170)
Luminance	0.1644 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CB3E39 #39C6CB

analogous

#CB397D #CB3E39 #CB8739

triadic

#CB3E39 #39CB3E #3E39CB

tetradic

#CB3E39 #7DCB39 #39C6CB #8739CB

square

#CB3E39 #7DCB39 #39C6CB #8739CB

split-complementary

#CB3E39 #39CB87 #397DCB

monochromatic

#6D1F1D #9D2D29 #CB3E39 #D86D69 #E49C9A

Accessibility & contrast

On white

4.90

#CB3E39 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.29

#CB3E39 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CB3E39

4.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CB3E39	#FFFFFF	#000000	##FFFFFF
##CB3E39	1.00	4.90	4.29	4.90
#FFFFFF	4.90	1.00	21.00	1.00
#000000	4.29	21.00	1.00	21.00
##FFFFFF	4.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#665D37

Deuteranopia (green-blind)

#897C34

Tritanopia (blue-blind)

#DF0D3E

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #cb3e39;
/* rgb */ color: rgb(203, 62, 57);
/* oklch */ color: oklch(56.9% 0.179 26.6);

Tailwind

colors: {
  custom: {
    50: '#e37c70',
    500: '#cb3e39',
    950: '#000000',
  },
}

SCSS

$custom: #cb3e39;
$custom-light: #e37c70;
$custom-dark: #000000;

JSON

{
  "hex": "#cb3e39",
  "rgb": {
    "r": 203,
    "g": 62,
    "b": 57
  },
  "hsl": {
    "h": 2.055,
    "s": 58.4,
    "l": 50.98
  },
  "oklch": {
    "l": 0.56904,
    "c": 0.17863,
    "h": 26.6
  },
  "luminance": 0.16437
}

Semantic roles & 50–950 ramp

primary

#CB3E39

secondary

#90CED0

accent

#DCE246

background

#FFF7F6

surface

#FEEEEC

border

#D6C9C7

text

#170A07

muted

#857C7A

Preview Lab

Preview with #CB3E39

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

Preview Lab → · Contrast checker → · Palette generator →