#CB4D39#CB4D39

#CB4D39 is a mid, vivid red. Relative luminance 0.183; OKLCH L 58.6% C 0.164 H 31.4°. Best body text is #000000 at 4.66:1 contrast (WCAG AA passes).

Color values

HEX#CB4D39
RGBrgb(203, 77, 57)
HSLhsl(8, 58%, 51%)
HSVhsv(8, 72%, 80%)
CMYKcmyk(0%, 62.1%, 71.9%, 20.4%)
CIE-LABlab(49.86, 48.90, 37.76)
CIE-LCHlch(49.86, 61.78, 37.67°)
OKLaboklab(58.64% 0.1402 0.0857)
OKLCHoklch(58.64% 0.164 31.4)
XYZxyz(28.0239, 18.3036, 5.9274)
Luminance0.1830 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#CB4D39 #39B7CB
analogous
#CB396E #CB4D39 #CB9639
triadic
#CB4D39 #39CB4D #4D39CB
tetradic
#CB4D39 #6ECB39 #39B7CB #9639CB
square
#CB4D39 #6ECB39 #39B7CB #9639CB
split-complementary
#CB4D39 #39CB96 #396ECB
monochromatic
#6D281D #9D3929 #CB4D39 #D87969 #E4A49A

Accessibility & contrast

On white

4.51
#CB4D39 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.66
#CB4D39 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #CB4D39
4.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##CB4D39#FFFFFF#000000##000000
##CB4D391.004.514.664.66
#FFFFFF4.511.0021.0021.00
#0000004.6621.001.001.00
##0000004.6621.001.001.00

Color blindness preview

Protanopia (red-blind)
#706536
Deuteranopia (green-blind)
#8F8135
Tritanopia (blue-blind)
#DF2F49
Achromatopsia (no color)
#777777

Design tokens & code

CSS
--color: #cb4d39;
/* rgb */ color: rgb(203, 77, 57);
/* oklch */ color: oklch(58.6% 0.164 31.4);
Tailwind
colors: {
  custom: {
    50: '#e28470',
    500: '#cb4d39',
    950: '#000000',
  },
}
SCSS
$custom: #cb4d39;
$custom-light: #e28470;
$custom-dark: #000000;
JSON
{
  "hex": "#cb4d39",
  "rgb": {
    "r": 203,
    "g": 77,
    "b": 57
  },
  "hsl": {
    "h": 8.219,
    "s": 58.4,
    "l": 50.98
  },
  "oklch": {
    "l": 0.58641,
    "c": 0.16428,
    "h": 31.4
  },
  "luminance": 0.183
}

Semantic roles & 50–950 ramp

primary
#CB4D39
secondary
#90C7D0
accent
#CCE246
background
#FFF8F6
surface
#FEEFEC
border
#D6CAC7
text
#170B07
muted
#857C7A

Preview Lab

Preview with #CB4D39

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

Preview Lab → · Contrast checker → · Palette generator →

#CB4D39 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva