#B1301D#B1301D

#B1301D is a mid, vivid red. Relative luminance 0.116; OKLCH L 50.7% C 0.169 H 31.4°. Best body text is #FFFFFF at 6.34:1 contrast (WCAG AA passes).

Color values

HEX	#B1301D
RGB	rgb(177, 48, 29)
HSL	hsl(8, 72%, 40%)
HSV	hsv(8, 84%, 69%)
CMYK	cmyk(0%, 72.9%, 83.6%, 30.6%)
CIE-LAB	lab(40.50, 50.94, 41.57)
CIE-LCH	lch(40.50, 65.74, 39.22°)
OKLab	oklab(50.65% 0.1439 0.088)
OKLCH	oklch(50.65% 0.169 31.4)
XYZ	xyz(19.4125, 11.5528, 2.3699)
Luminance	0.1155 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1301D #1D9EB1

analogous

#B11D54 #B1301D #B17A1D

triadic

#B1301D #1DB130 #301DB1

tetradic

#B1301D #54B11D #1D9EB1 #7A1DB1

square

#B1301D #54B11D #1D9EB1 #7A1DB1

split-complementary

#B1301D #1DB17A #1D54B1

monochromatic

#48130C #7C2214 #B1301D #DD452E #E57463

Accessibility & contrast

On white

6.34

#B1301D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.31

#B1301D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B1301D

6.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1301D	#FFFFFF	#000000	##FFFFFF
##B1301D	1.00	6.34	3.31	6.34
#FFFFFF	6.34	1.00	21.00	1.00
#000000	3.31	21.00	1.00	21.00
##FFFFFF	6.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#574D19

Deuteranopia (green-blind)

#776A16

Tritanopia (blue-blind)

#C3002D

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #b1301d;
/* rgb */ color: rgb(177, 48, 29);
/* oklch */ color: oklch(50.7% 0.169 31.4);

Tailwind

colors: {
  custom: {
    50: '#d2715b',
    500: '#b1301d',
    950: '#000000',
  },
}

SCSS

$custom: #b1301d;
$custom-light: #d2715b;
$custom-dark: #000000;

JSON

{
  "hex": "#b1301d",
  "rgb": {
    "r": 177,
    "g": 48,
    "b": 29
  },
  "hsl": {
    "h": 7.703,
    "s": 71.845,
    "l": 40.392
  },
  "oklch": {
    "l": 0.50655,
    "c": 0.16868,
    "h": 31.4
  },
  "luminance": 0.1155
}

Semantic roles & 50–950 ramp

primary

#B1301D

secondary

#60BDCA

accent

#D7EF39

background

#FEF7F5

surface

#FCEDE9

border

#D5C8C5

text

#160804

muted

#847B79

Preview Lab

Preview with #B1301D

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

Preview Lab → · Contrast checker → · Palette generator →