#CB4B38#CB4B38

#CB4B38 is a mid, vivid red. Relative luminance 0.180; OKLCH L 58.4% C 0.166 H 31.0°. Best body text is #000000 at 4.60:1 contrast (WCAG AA passes).

Color values

HEX#CB4B38
RGBrgb(203, 75, 56)
HSLhsl(8, 59%, 51%)
HSVhsv(8, 72%, 80%)
CMYKcmyk(0%, 63.1%, 72.4%, 20.4%)
CIE-LABlab(49.52, 49.74, 37.92)
CIE-LCHlch(49.52, 62.54, 37.32°)
OKLaboklab(58.38% 0.1426 0.0858)
OKLCHoklch(58.38% 0.166 31)
XYZxyz(27.8614, 18.0181, 5.7514)
Luminance0.1801 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#CB4B38 #38B8CB
analogous
#CB386E #CB4B38 #CB9438
triadic
#CB4B38 #38CB4B #4B38CB
tetradic
#CB4B38 #6ECB38 #38B8CB #9438CB
square
#CB4B38 #6ECB38 #38B8CB #9438CB
split-complementary
#CB4B38 #38CB94 #386ECB
monochromatic
#6C271C #9D3829 #CB4B38 #D87769 #E4A399

Accessibility & contrast

On white

4.56
#CB4B38 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.60
#CB4B38 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #CB4B38
4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##CB4B38#FFFFFF#000000##000000
##CB4B381.004.564.604.60
#FFFFFF4.561.0021.0021.00
#0000004.6021.001.001.00
##0000004.6021.001.001.00

Color blindness preview

Protanopia (red-blind)
#6E6435
Deuteranopia (green-blind)
#8E8034
Tritanopia (blue-blind)
#DF2B47
Achromatopsia (no color)
#767676

Design tokens & code

CSS
--color: #cb4b38;
/* rgb */ color: rgb(203, 75, 56);
/* oklch */ color: oklch(58.4% 0.166 31.0);
Tailwind
colors: {
  custom: {
    50: '#e3836f',
    500: '#cb4b38',
    950: '#000000',
  },
}
SCSS
$custom: #cb4b38;
$custom-light: #e3836f;
$custom-dark: #000000;
JSON
{
  "hex": "#cb4b38",
  "rgb": {
    "r": 203,
    "g": 75,
    "b": 56
  },
  "hsl": {
    "h": 7.755,
    "s": 58.566,
    "l": 50.784
  },
  "oklch": {
    "l": 0.58378,
    "c": 0.16642,
    "h": 31
  },
  "luminance": 0.18014
}

Semantic roles & 50–950 ramp

primary
#CB4B38
secondary
#8FC8D0
accent
#CEE246
background
#FFF8F6
surface
#FEEFEC
border
#D6CAC7
text
#170B07
muted
#857C7A

Preview Lab

Preview with #CB4B38

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

Preview Lab → · Contrast checker → · Palette generator →

#CB4B38 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva