#B1302E#B1302E

#B1302E is a mid, vivid red. Relative luminance 0.117; OKLCH L 50.8% C 0.166 H 26.1°. Best body text is #FFFFFF at 6.30:1 contrast (WCAG AA passes).

Color values

HEX	#B1302E
RGB	rgb(177, 48, 46)
HSL	hsl(1, 59%, 44%)
HSV	hsv(1, 74%, 69%)
CMYK	cmyk(0%, 72.9%, 74%, 30.6%)
CIE-LAB	lab(40.67, 51.54, 32.36)
CIE-LCH	lch(40.67, 60.86, 32.12°)
OKLab	oklab(50.84% 0.1492 0.073)
OKLCH	oklch(50.84% 0.166 26.1)
XYZ	xyz(19.6838, 11.6613, 3.7986)
Luminance	0.1166 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1302E #2EAFB1

analogous

#B12E6D #B1302E #B1712E

triadic

#B1302E #2EB130 #302EB1

tetradic

#B1302E #6DB12E #2EAFB1 #712EB1

square

#B1302E #6DB12E #2EAFB1 #712EB1

split-complementary

#B1302E #2EB171 #2E6DB1

monochromatic

#501615 #802321 #B1302E #D04E4C #DD7E7C

Accessibility & contrast

On white

6.30

#B1302E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.33

#B1302E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B1302E

6.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1302E	#FFFFFF	#000000	##FFFFFF
##B1302E	1.00	6.30	3.33	6.30
#FFFFFF	6.30	1.00	21.00	1.00
#000000	3.33	21.00	1.00	21.00
##FFFFFF	6.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#564E2C

Deuteranopia (green-blind)

#766A29

Tritanopia (blue-blind)

#C30031

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #b1302e;
/* rgb */ color: rgb(177, 48, 46);
/* oklch */ color: oklch(50.8% 0.166 26.1);

Tailwind

colors: {
  custom: {
    50: '#d17267',
    500: '#b1302e',
    950: '#000000',
  },
}

SCSS

$custom: #b1302e;
$custom-light: #d17267;
$custom-dark: #000000;

JSON

{
  "hex": "#b1302e",
  "rgb": {
    "r": 177,
    "g": 48,
    "b": 46
  },
  "hsl": {
    "h": 0.916,
    "s": 58.744,
    "l": 43.725
  },
  "oklch": {
    "l": 0.50842,
    "c": 0.16615,
    "h": 26.1
  },
  "luminance": 0.11658
}

Semantic roles & 50–950 ramp

primary

#B1302E

secondary

#75C4C6

accent

#E0E246

background

#FDF7F6

surface

#FBEDEB

border

#D4C8C6

text

#160806

muted

#847B7A

Preview Lab

Preview with #B1302E

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

Preview Lab → · Contrast checker → · Palette generator →