#CB4238#CB4238

#CB4238 is a mid, vivid red. Relative luminance 0.169; OKLCH L 57.3% C 0.175 H 28.1°. Best body text is #FFFFFF at 4.80:1 contrast (WCAG AA passes).

Color values

HEX#CB4238
RGBrgb(203, 66, 56)
HSLhsl(4, 59%, 51%)
HSVhsv(4, 72%, 80%)
CMYKcmyk(0%, 67.5%, 72.4%, 20.4%)
CIE-LABlab(48.11, 53.53, 36.33)
CIE-LCHlch(48.11, 64.69, 34.16°)
OKLaboklab(57.32% 0.1545 0.0823)
OKLCHoklch(57.32% 0.175 28.1)
XYZxyz(27.2936, 16.8825, 5.5621)
Luminance0.1688 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#CB4238 #38C1CB
analogous
#CB3877 #CB4238 #CB8C38
triadic
#CB4238 #38CB42 #4238CB
tetradic
#CB4238 #77CB38 #38C1CB #8C38CB
square
#CB4238 #77CB38 #38C1CB #8C38CB
split-complementary
#CB4238 #38CB8C #3877CB
monochromatic
#6C221C #9D3129 #CB4238 #D87069 #E49E99

Accessibility & contrast

On white

4.80
#CB4238 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.38
#CB4238 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CB4238
4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##CB4238#FFFFFF#000000##FFFFFF
##CB42381.004.804.384.80
#FFFFFF4.801.0021.001.00
#0000004.3821.001.0021.00
##FFFFFF4.801.0021.001.00

Color blindness preview

Protanopia (red-blind)
#695F36
Deuteranopia (green-blind)
#8B7D33
Tritanopia (blue-blind)
#DF1941
Achromatopsia (no color)
#727272

Design tokens & code

CSS
--color: #cb4238;
/* rgb */ color: rgb(203, 66, 56);
/* oklch */ color: oklch(57.3% 0.175 28.1);
Tailwind
colors: {
  custom: {
    50: '#e37e6f',
    500: '#cb4238',
    950: '#000000',
  },
}
SCSS
$custom: #cb4238;
$custom-light: #e37e6f;
$custom-dark: #000000;
JSON
{
  "hex": "#cb4238",
  "rgb": {
    "r": 203,
    "g": 66,
    "b": 56
  },
  "hsl": {
    "h": 4.082,
    "s": 58.566,
    "l": 50.784
  },
  "oklch": {
    "l": 0.57322,
    "c": 0.17505,
    "h": 28.1
  },
  "luminance": 0.16878
}

Semantic roles & 50–950 ramp

primary
#CB4238
secondary
#8FCCD0
accent
#D7E246
background
#FFF8F6
surface
#FEEFEC
border
#D6CAC7
text
#170A07
muted
#857C7A

Preview Lab

Preview with #CB4238

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

Preview Lab → · Contrast checker → · Palette generator →

#CB4238 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva