#B12931#B12931

#B12931 is a mid, vivid red. Relative luminance 0.112; OKLCH L 50.2% C 0.172 H 23.2°. Best body text is #FFFFFF at 6.50:1 contrast (WCAG AA passes).

Color values

HEX	#B12931
RGB	rgb(177, 41, 49)
HSL	hsl(356, 62%, 43%)
HSV	hsv(356, 77%, 69%)
CMYK	cmyk(0%, 76.8%, 72.3%, 30.6%)
CIE-LAB	lab(39.84, 54.09, 29.62)
CIE-LCH	lch(39.84, 61.67, 28.70°)
OKLab	oklab(50.24% 0.158 0.0677)
OKLCH	oklch(50.24% 0.172 23.2)
XYZ	xyz(19.4810, 11.1578, 4.0330)
Luminance	0.1115 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B12931 #29B1A9

analogous

#B12975 #B12931 #B16529

triadic

#B12931 #31B129 #2931B1

tetradic

#B12931 #75B129 #29B1A9 #6529B1

square

#B12931 #75B129 #29B1A9 #6529B1

split-complementary

#B12931 #29B165 #2975B1

monochromatic

#4E1215 #7F1D23 #B12931 #D4444C #DF757C

Accessibility & contrast

On white

6.50

#B12931 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.23

#B12931 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B12931

6.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B12931	#FFFFFF	#000000	##FFFFFF
##B12931	1.00	6.50	3.23	6.50
#FFFFFF	6.50	1.00	21.00	1.00
#000000	3.23	21.00	1.00	21.00
##FFFFFF	6.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#524B30

Deuteranopia (green-blind)

#74682C

Tritanopia (blue-blind)

#C3002D

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #b12931;
/* rgb */ color: rgb(177, 41, 49);
/* oklch */ color: oklch(50.2% 0.172 23.2);

Tailwind

colors: {
  custom: {
    50: '#d16f69',
    500: '#b12931',
    950: '#000000',
  },
}

SCSS

$custom: #b12931;
$custom-light: #d16f69;
$custom-dark: #000000;

JSON

{
  "hex": "#b12931",
  "rgb": {
    "r": 177,
    "g": 41,
    "b": 49
  },
  "hsl": {
    "h": 356.471,
    "s": 62.385,
    "l": 42.745
  },
  "oklch": {
    "l": 0.50239,
    "c": 0.17185,
    "h": 23.2
  },
  "luminance": 0.11155
}

Semantic roles & 50–950 ramp

primary

#B12931

secondary

#6FC7C1

accent

#E5DC42

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160806

muted

#847B7A

Preview Lab

Preview with #B12931

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

Preview Lab → · Contrast checker → · Palette generator →