#B12A39#B12A39

#B12A39 is a mid, vivid red. Relative luminance 0.113; OKLCH L 50.5% C 0.170 H 20.2°. Best body text is #FFFFFF at 6.44:1 contrast (WCAG AA passes).

Color values

HEX	#B12A39
RGB	rgb(177, 42, 57)
HSL	hsl(353, 62%, 43%)
HSV	hsv(353, 76%, 69%)
CMYK	cmyk(0%, 76.3%, 67.8%, 30.6%)
CIE-LAB	lab(40.08, 54.16, 25.01)
CIE-LCH	lch(40.08, 59.66, 24.78°)
OKLab	oklab(50.46% 0.16 0.0588)
OKLCH	oklch(50.46% 0.17 20.2)
XYZ	xyz(19.7001, 11.3014, 5.0142)
Luminance	0.1130 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B12A39 #2AB1A2

analogous

#B12A7D #B12A39 #B15E2A

triadic

#B12A39 #39B12A #2A39B1

tetradic

#B12A39 #7DB12A #2AB1A2 #5E2AB1

square

#B12A39 #7DB12A #2AB1A2 #5E2AB1

split-complementary

#B12A39 #2AB15E #2A7DB1

monochromatic

#4E1319 #801E29 #B12A39 #D34555 #DF7782

Accessibility & contrast

On white

6.44

#B12A39 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.26

#B12A39 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B12A39

6.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B12A39	#FFFFFF	#000000	##FFFFFF
##B12A39	1.00	6.44	3.26	6.44
#FFFFFF	6.44	1.00	21.00	1.00
#000000	3.26	21.00	1.00	21.00
##FFFFFF	6.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#514C38

Deuteranopia (green-blind)

#736935

Tritanopia (blue-blind)

#C30031

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #b12a39;
/* rgb */ color: rgb(177, 42, 57);
/* oklch */ color: oklch(50.5% 0.170 20.2);

Tailwind

colors: {
  custom: {
    50: '#d06f6f',
    500: '#b12a39',
    950: '#000000',
  },
}

SCSS

$custom: #b12a39;
$custom-light: #d06f6f;
$custom-dark: #000000;

JSON

{
  "hex": "#b12a39",
  "rgb": {
    "r": 177,
    "g": 42,
    "b": 57
  },
  "hsl": {
    "h": 353.333,
    "s": 61.644,
    "l": 42.941
  },
  "oklch": {
    "l": 0.50455,
    "c": 0.17042,
    "h": 20.2
  },
  "luminance": 0.11298
}

Semantic roles & 50–950 ramp

primary

#B12A39

secondary

#70C6BD

accent

#E5D343

background

#FDF7F6

surface

#FBEDEC

border

#D4C8C7

text

#150807

muted

#837B7A

Preview Lab

Preview with #B12A39

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

Preview Lab → · Contrast checker → · Palette generator →