#B1232B#B1232B

#B1232B is a mid, vivid red. Relative luminance 0.107; OKLCH L 49.7% C 0.177 H 24.1°. Best body text is #FFFFFF at 6.68:1 contrast (WCAG AA passes).

Color values

HEX	#B1232B
RGB	rgb(177, 35, 43)
HSL	hsl(357, 67%, 42%)
HSV	hsv(357, 80%, 69%)
CMYK	cmyk(0%, 80.2%, 75.7%, 30.6%)
CIE-LAB	lab(39.12, 55.66, 32.38)
CIE-LCH	lch(39.12, 64.39, 30.19°)
OKLab	oklab(49.67% 0.1616 0.0724)
OKLCH	oklch(49.67% 0.177 24.1)
XYZ	xyz(19.1708, 10.7267, 3.3461)
Luminance	0.1072 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1232B #23B1A9

analogous

#B12372 #B1232B #B16223

triadic

#B1232B #2BB123 #232BB1

tetradic

#B1232B #72B123 #23B1A9 #6223B1

square

#B1232B #72B123 #23B1A9 #6223B1

split-complementary

#B1232B #23B162 #2372B1

monochromatic

#4B0F12 #7E191F #B1232B #D83942 #E26C73

Accessibility & contrast

On white

6.68

#B1232B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.14

#B1232B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B1232B

6.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1232B	#FFFFFF	#000000	##FFFFFF
##B1232B	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)

#50492A

Deuteranopia (green-blind)

#736725

Tritanopia (blue-blind)

#C30028

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #b1232b;
/* rgb */ color: rgb(177, 35, 43);
/* oklch */ color: oklch(49.7% 0.177 24.1);

Tailwind

colors: {
  custom: {
    50: '#d16c64',
    500: '#b1232b',
    950: '#000000',
  },
}

SCSS

$custom: #b1232b;
$custom-light: #d16c64;
$custom-dark: #000000;

JSON

{
  "hex": "#b1232b",
  "rgb": {
    "r": 177,
    "g": 35,
    "b": 43
  },
  "hsl": {
    "h": 356.62,
    "s": 66.981,
    "l": 41.569
  },
  "oklch": {
    "l": 0.49672,
    "c": 0.17707,
    "h": 24.1
  },
  "luminance": 0.10724
}

Semantic roles & 50–950 ramp

primary

#B1232B

secondary

#68C8C3

accent

#EAE03E

background

#FEF6F6

surface

#FCECEB

border

#D5C7C6

text

#160805

muted

#847A7A

Preview Lab

Preview with #B1232B

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

Preview Lab → · Contrast checker → · Palette generator →