#B23B34#B23B34

#B23B34 is a mid, vivid red. Relative luminance 0.128; OKLCH L 52.3% C 0.156 H 27.2°. Best body text is #FFFFFF at 5.89:1 contrast (WCAG AA passes).

Color values

HEX#B23B34
RGBrgb(178, 59, 52)
HSLhsl(3, 55%, 45%)
HSVhsv(3, 71%, 70%)
CMYKcmyk(0%, 66.9%, 70.8%, 30.2%)
CIE-LABlab(42.53, 47.81, 31.02)
CIE-LCHlch(42.53, 56.99, 32.98°)
OKLaboklab(52.29% 0.1386 0.0713)
OKLCHoklch(52.29% 0.156 27.2)
XYZxyz(20.5461, 12.8438, 4.6454)
Luminance0.1284 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B23B34 #34ABB2
analogous
#B2346C #B23B34 #B27A34
triadic
#B23B34 #34B23B #3B34B2
tetradic
#B23B34 #6CB234 #34ABB2 #7A34B2
square
#B23B34 #6CB234 #34ABB2 #7A34B2
split-complementary
#B23B34 #34B27A #346CB2
monochromatic
#531C18 #832B26 #B23B34 #CE5C56 #DB8A85

Accessibility & contrast

On white

5.89
#B23B34 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.57
#B23B34 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B23B34
5.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B23B34#FFFFFF#000000##FFFFFF
##B23B341.005.893.575.89
#FFFFFF5.891.0021.001.00
#0000003.5721.001.0021.00
##FFFFFF5.891.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5C5432
Deuteranopia (green-blind)
#7A6E30
Tritanopia (blue-blind)
#C41B3A
Achromatopsia (no color)
#646464

Design tokens & code

CSS
--color: #b23b34;
/* rgb */ color: rgb(178, 59, 52);
/* oklch */ color: oklch(52.3% 0.156 27.2);
Tailwind
colors: {
  custom: {
    50: '#d0776c',
    500: '#b23b34',
    950: '#000000',
  },
}
SCSS
$custom: #b23b34;
$custom-light: #d0776c;
$custom-dark: #000000;
JSON
{
  "hex": "#b23b34",
  "rgb": {
    "r": 178,
    "g": 59,
    "b": 52
  },
  "hsl": {
    "h": 3.333,
    "s": 54.783,
    "l": 45.098
  },
  "oklch": {
    "l": 0.52289,
    "c": 0.15587,
    "h": 27.2
  },
  "luminance": 0.12841
}

Semantic roles & 50–950 ramp

primary
#B23B34
secondary
#7DC1C5
accent
#D6DE4A
background
#FDF7F6
surface
#FBEEEB
border
#D4C9C6
text
#150907
muted
#837B7A

Preview Lab

Preview with #B23B34

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

Preview Lab → · Contrast checker → · Palette generator →

#B23B34 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva