#B1503E#B1503E

#B1503E is a mid, vivid red. Relative luminance 0.154; OKLCH L 55.1% C 0.131 H 32.2°. Best body text is #FFFFFF at 5.14:1 contrast (WCAG AA passes).

Color values

HEX	#B1503E
RGB	rgb(177, 80, 62)
HSL	hsl(9, 48%, 47%)
HSV	hsv(9, 65%, 69%)
CMYK	cmyk(0%, 54.8%, 65%, 30.6%)
CIE-LAB	lab(46.22, 38.19, 29.59)
CIE-LCH	lch(46.22, 48.31, 37.77°)
OKLab	oklab(55.09% 0.1106 0.0697)
OKLCH	oklch(55.09% 0.131 32.2)
XYZ	xyz(21.8716, 15.4349, 6.3840)
Luminance	0.1543 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1503E #3E9FB1

analogous

#B13E66 #B1503E #B18A3E

triadic

#B1503E #3EB150 #503EB1

tetradic

#B1503E #66B13E #3E9FB1 #8A3EB1

square

#B1503E #66B13E #3E9FB1 #8A3EB1

split-complementary

#B1503E #3EB18A #3E66B1

monochromatic

#56271E #843C2E #B1503E #C97364 #D89C91

Accessibility & contrast

On white

5.14

#B1503E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.09

#B1503E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B1503E

5.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1503E	#FFFFFF	#000000	##FFFFFF
##B1503E	1.00	5.14	4.09	5.14
#FFFFFF	5.14	1.00	21.00	1.00
#000000	4.09	21.00	1.00	21.00
##FFFFFF	5.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#69603C

Deuteranopia (green-blind)

#81753C

Tritanopia (blue-blind)

#C23D4C

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #b1503e;
/* rgb */ color: rgb(177, 80, 62);
/* oklch */ color: oklch(55.1% 0.131 32.2);

Tailwind

colors: {
  custom: {
    50: '#ce8473',
    500: '#b1503e',
    950: '#000000',
  },
}

SCSS

$custom: #b1503e;
$custom-light: #ce8473;
$custom-dark: #000000;

JSON

{
  "hex": "#b1503e",
  "rgb": {
    "r": 177,
    "g": 80,
    "b": 62
  },
  "hsl": {
    "h": 9.391,
    "s": 48.117,
    "l": 46.863
  },
  "oklch": {
    "l": 0.55091,
    "c": 0.13072,
    "h": 32.2
  },
  "luminance": 0.15432
}

Semantic roles & 50–950 ramp

primary

#B1503E

secondary

#87BAC4

accent

#C2D850

background

#FDF8F7

surface

#FAEFED

border

#D3CAC8

text

#150B08

muted

#837C7B

Preview Lab

Preview with #B1503E

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

Preview Lab → · Contrast checker → · Palette generator →