#B1503D#B1503D

#B1503D is a mid, vivid red. Relative luminance 0.154; OKLCH L 55.1% C 0.131 H 32.7°. Best body text is #FFFFFF at 5.14:1 contrast (WCAG AA passes).

Color values

HEX	#B1503D
RGB	rgb(177, 80, 61)
HSL	hsl(10, 49%, 47%)
HSV	hsv(10, 66%, 69%)
CMYK	cmyk(0%, 54.8%, 65.5%, 30.6%)
CIE-LAB	lab(46.21, 38.12, 30.15)
CIE-LCH	lch(46.21, 48.60, 38.33°)
OKLab	oklab(55.08% 0.1102 0.0708)
OKLCH	oklch(55.08% 0.131 32.7)
XYZ	xyz(21.8444, 15.4241, 6.2408)
Luminance	0.1542 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1503D #3D9EB1

analogous

#B13D64 #B1503D #B18A3D

triadic

#B1503D #3DB150 #503DB1

tetradic

#B1503D #64B13D #3D9EB1 #8A3DB1

square

#B1503D #64B13D #3D9EB1 #8A3DB1

split-complementary

#B1503D #3DB18A #3D64B1

monochromatic

#56271E #833B2D #B1503D #C97362 #D99C90

Accessibility & contrast

On white

5.14

#B1503D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.08

#B1503D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B1503D

5.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1503D	#FFFFFF	#000000	##FFFFFF
##B1503D	1.00	5.14	4.08	5.14
#FFFFFF	5.14	1.00	21.00	1.00
#000000	4.08	21.00	1.00	21.00
##FFFFFF	5.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#69603B

Deuteranopia (green-blind)

#81753B

Tritanopia (blue-blind)

#C23D4C

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #b1503d;
/* rgb */ color: rgb(177, 80, 61);
/* oklch */ color: oklch(55.1% 0.131 32.7);

Tailwind

colors: {
  custom: {
    50: '#ce8473',
    500: '#b1503d',
    950: '#000000',
  },
}

SCSS

$custom: #b1503d;
$custom-light: #ce8473;
$custom-dark: #000000;

JSON

{
  "hex": "#b1503d",
  "rgb": {
    "r": 177,
    "g": 80,
    "b": 61
  },
  "hsl": {
    "h": 9.828,
    "s": 48.739,
    "l": 46.667
  },
  "oklch": {
    "l": 0.55075,
    "c": 0.131,
    "h": 32.7
  },
  "luminance": 0.15421
}

Semantic roles & 50–950 ramp

primary

#B1503D

secondary

#86BAC4

accent

#C2D850

background

#FDF8F7

surface

#FAEFED

border

#D3CAC8

text

#150B08

muted

#837C7B

Preview Lab

Preview with #B1503D

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

Preview Lab → · Contrast checker → · Palette generator →