#B12023#B12023

#B12023 is a mid, vivid red. Relative luminance 0.105; OKLCH L 49.4% C 0.180 H 26.1°. Best body text is #FFFFFF at 6.77:1 contrast (WCAG AA passes).

Color values

HEX#B12023
RGBrgb(177, 32, 35)
HSLhsl(359, 69%, 41%)
HSVhsv(359, 82%, 69%)
CMYKcmyk(0%, 81.9%, 80.2%, 30.6%)
CIE-LABlab(38.73, 56.20, 36.63)
CIE-LCHlch(38.73, 67.08, 33.10°)
OKLaboklab(49.36% 0.1616 0.0793)
OKLCHoklch(49.36% 0.18 26.1)
XYZxyz(18.9537, 10.5046, 2.6194)
Luminance0.1050 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B12023 #20B1AE
analogous
#B1206B #B12023 #B16520
triadic
#B12023 #23B120 #2023B1
tetradic
#B12023 #6BB120 #20B1AE #6520B1
square
#B12023 #6BB120 #20B1AE #6520B1
split-complementary
#B12023 #20B165 #206BB1
monochromatic
#490D0F #7D1719 #B12023 #DA3437 #E4686A

Accessibility & contrast

On white

6.77
#B12023 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.10
#B12023 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B12023
6.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B12023#FFFFFF#000000##FFFFFF
##B120231.006.773.106.77
#FFFFFF6.771.0021.001.00
#0000003.1021.001.0021.00
##FFFFFF6.771.0021.001.00

Color blindness preview

Protanopia (red-blind)
#4F4721
Deuteranopia (green-blind)
#73661C
Tritanopia (blue-blind)
#C30023
Achromatopsia (no color)
#5B5B5B

Design tokens & code

CSS
--color: #b12023;
/* rgb */ color: rgb(177, 32, 35);
/* oklch */ color: oklch(49.4% 0.180 26.1);
Tailwind
colors: {
  custom: {
    50: '#d26b5f',
    500: '#b12023',
    950: '#000000',
  },
}
SCSS
$custom: #b12023;
$custom-light: #d26b5f;
$custom-dark: #000000;
JSON
{
  "hex": "#b12023",
  "rgb": {
    "r": 177,
    "g": 32,
    "b": 35
  },
  "hsl": {
    "h": 358.759,
    "s": 69.378,
    "l": 40.98
  },
  "oklch": {
    "l": 0.49359,
    "c": 0.17998,
    "h": 26.1
  },
  "luminance": 0.10501
}

Semantic roles & 50–950 ramp

primary
#B12023
secondary
#64C9C7
accent
#ECE93C
background
#FEF6F5
surface
#FCECE9
border
#D5C7C5
text
#160804
muted
#847A79

Preview Lab

Preview with #B12023

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

Preview Lab → · Contrast checker → · Palette generator →

#B12023 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva