#B0233F#B0233F

#B0233F is a mid, vivid red. Relative luminance 0.108; OKLCH L 49.8% C 0.175 H 16.1°. Best body text is #FFFFFF at 6.65:1 contrast (WCAG AA passes).

Color values

HEX#B0233F
RGBrgb(176, 35, 63)
HSLhsl(348, 67%, 41%)
HSVhsv(348, 80%, 69%)
CMYKcmyk(0%, 80.1%, 64.2%, 31%)
CIE-LABlab(39.23, 56.35, 20.13)
CIE-LCHlch(39.23, 59.84, 19.66°)
OKLaboklab(49.82% 0.1684 0.0485)
OKLCHoklch(49.82% 0.175 16.1)
XYZxyz(19.4048, 10.7940, 5.7634)
Luminance0.1079 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B0233F #23B094
analogous
#B02386 #B0233F #B04E23
triadic
#B0233F #3FB023 #233FB0
tetradic
#B0233F #86B023 #23B094 #4E23B0
square
#B0233F #86B023 #23B094 #4E23B0
split-complementary
#B0233F #23B04E #2386B0
monochromatic
#4A0F1A #7D192D #B0233F #D83958 #E26C83

Accessibility & contrast

On white

6.65
#B0233F on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.16
#B0233F on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B0233F
6.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B0233F#FFFFFF#000000##FFFFFF
##B0233F1.006.653.166.65
#FFFFFF6.651.0021.001.00
#0000003.1621.001.0021.00
##FFFFFF6.651.0021.001.00

Color blindness preview

Protanopia (red-blind)
#4D4A3F
Deuteranopia (green-blind)
#70673B
Tritanopia (blue-blind)
#C1002F
Achromatopsia (no color)
#5C5C5C

Design tokens & code

CSS
--color: #b0233f;
/* rgb */ color: rgb(176, 35, 63);
/* oklch */ color: oklch(49.8% 0.175 16.1);
Tailwind
colors: {
  custom: {
    50: '#cf6d73',
    500: '#b0233f',
    950: '#000000',
  },
}
SCSS
$custom: #b0233f;
$custom-light: #cf6d73;
$custom-dark: #000000;
JSON
{
  "hex": "#b0233f",
  "rgb": {
    "r": 176,
    "g": 35,
    "b": 63
  },
  "hsl": {
    "h": 348.085,
    "s": 66.825,
    "l": 41.373
  },
  "oklch": {
    "l": 0.49823,
    "c": 0.17523,
    "h": 16.1
  },
  "luminance": 0.10791
}

Semantic roles & 50–950 ramp

primary
#B0233F
secondary
#67C8B5
accent
#EAC83E
background
#FDF7F7
surface
#FBEDED
border
#D4C8C8
text
#150808
muted
#837B7B

Preview Lab

Preview with #B0233F

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

Preview Lab → · Contrast checker → · Palette generator →

#B0233F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva