#B1232A#B1232A

#B1232A is a mid, vivid red. Relative luminance 0.107; OKLCH L 49.7% C 0.177 H 24.5°. Best body text is #FFFFFF at 6.68:1 contrast (WCAG AA passes).

Color values

HEX	#B1232A
RGB	rgb(177, 35, 42)
HSL	hsl(357, 67%, 42%)
HSV	hsv(357, 80%, 69%)
CMYK	cmyk(0%, 80.2%, 76.3%, 30.6%)
CIE-LAB	lab(39.10, 55.62, 32.96)
CIE-LCH	lch(39.10, 64.65, 30.65°)
OKLab	oklab(49.66% 0.1613 0.0734)
OKLCH	oklch(49.66% 0.177 24.5)
XYZ	xyz(19.1527, 10.7194, 3.2506)
Luminance	0.1072 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1232A #23B1AA

analogous

#B12371 #B1232A #B16323

triadic

#B1232A #2AB123 #232AB1

tetradic

#B1232A #71B123 #23B1AA #6323B1

square

#B1232A #71B123 #23B1AA #6323B1

split-complementary

#B1232A #23B163 #2371B1

monochromatic

#4B0F12 #7E191E #B1232A #D83941 #E26C72

Accessibility & contrast

On white

6.68

#B1232A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.14

#B1232A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B1232A

6.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1232A	#FFFFFF	#000000	##FFFFFF
##B1232A	1.00	6.68	3.14	6.68
#FFFFFF	6.68	1.00	21.00	1.00
#000000	3.14	21.00	1.00	21.00
##FFFFFF	6.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#504929

Deuteranopia (green-blind)

#736724

Tritanopia (blue-blind)

#C30027

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #b1232a;
/* rgb */ color: rgb(177, 35, 42);
/* oklch */ color: oklch(49.7% 0.177 24.5);

Tailwind

colors: {
  custom: {
    50: '#d16c64',
    500: '#b1232a',
    950: '#000000',
  },
}

SCSS

$custom: #b1232a;
$custom-light: #d16c64;
$custom-dark: #000000;

JSON

{
  "hex": "#b1232a",
  "rgb": {
    "r": 177,
    "g": 35,
    "b": 42
  },
  "hsl": {
    "h": 357.042,
    "s": 66.981,
    "l": 41.569
  },
  "oklch": {
    "l": 0.49659,
    "c": 0.17718,
    "h": 24.5
  },
  "luminance": 0.10716
}

Semantic roles & 50–950 ramp

primary

#B1232A

secondary

#68C8C3

accent

#EAE13E

background

#FEF6F5

surface

#FCECEA

border

#D5C7C6

text

#160805

muted

#847A79

Preview Lab

Preview with #B1232A

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

Preview Lab → · Contrast checker → · Palette generator →