#B1523F#B1523F

#B1523F is a mid, vivid red. Relative luminance 0.157; OKLCH L 55.4% C 0.128 H 32.8°. Best body text is #FFFFFF at 5.06:1 contrast (WCAG AA passes).

Color values

HEX	#B1523F
RGB	rgb(177, 82, 63)
HSL	hsl(10, 48%, 47%)
HSV	hsv(10, 64%, 69%)
CMYK	cmyk(0%, 53.7%, 64.4%, 30.6%)
CIE-LAB	lab(46.64, 37.24, 29.51)
CIE-LCH	lch(46.64, 47.51, 38.40°)
OKLab	oklab(55.41% 0.1079 0.0696)
OKLCH	oklch(55.41% 0.128 32.8)
XYZ	xyz(22.0479, 15.7433, 6.5794)
Luminance	0.1574 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1523F #3F9EB1

analogous

#B13F65 #B1523F #B18B3F

triadic

#B1523F #3FB152 #523FB1

tetradic

#B1523F #65B13F #3F9EB1 #8B3FB1

square

#B1523F #65B13F #3F9EB1 #8B3FB1

split-complementary

#B1523F #3FB18B #3F65B1

monochromatic

#57281F #843D2F #B1523F #C87665 #D89E92

Accessibility & contrast

On white

5.06

#B1523F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.15

#B1523F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B1523F

5.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1523F	#FFFFFF	#000000	##FFFFFF
##B1523F	1.00	5.06	4.15	5.06
#FFFFFF	5.06	1.00	21.00	1.00
#000000	4.15	21.00	1.00	21.00
##FFFFFF	5.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B623D

Deuteranopia (green-blind)

#82763D

Tritanopia (blue-blind)

#C2404E

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #b1523f;
/* rgb */ color: rgb(177, 82, 63);
/* oklch */ color: oklch(55.4% 0.128 32.8);

Tailwind

colors: {
  custom: {
    50: '#ce8574',
    500: '#b1523f',
    950: '#000000',
  },
}

SCSS

$custom: #b1523f;
$custom-light: #ce8574;
$custom-dark: #000000;

JSON

{
  "hex": "#b1523f",
  "rgb": {
    "r": 177,
    "g": 82,
    "b": 63
  },
  "hsl": {
    "h": 10,
    "s": 47.5,
    "l": 47.059
  },
  "oklch": {
    "l": 0.55408,
    "c": 0.12836,
    "h": 32.8
  },
  "luminance": 0.15741
}

Semantic roles & 50–950 ramp

primary

#B1523F

secondary

#88BAC4

accent

#C1D751

background

#FDF8F7

surface

#FAEFED

border

#D3CAC8

text

#150B08

muted

#837C7B

Preview Lab

Preview with #B1523F

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

Preview Lab → · Contrast checker → · Palette generator →