#B0431D#B0431D

#B0431D is a mid, vivid orange. Relative luminance 0.133; OKLCH L 52.7% C 0.151 H 38.3°. Best body text is #FFFFFF at 5.73:1 contrast (WCAG AA passes).

Color values

HEX	#B0431D
RGB	rgb(176, 67, 29)
HSL	hsl(16, 72%, 40%)
HSV	hsv(16, 84%, 69%)
CMYK	cmyk(0%, 61.9%, 83.5%, 31%)
CIE-LAB	lab(43.27, 42.61, 44.03)
CIE-LCH	lch(43.27, 61.28, 45.94°)
OKLab	oklab(52.7% 0.1183 0.0936)
OKLCH	oklch(52.7% 0.151 38.3)
XYZ	xyz(20.1357, 13.3360, 2.6760)
Luminance	0.1333 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B0431D #1D8AB0

analogous

#B01D41 #B0431D #B08C1D

triadic

#B0431D #1DB043 #431DB0

tetradic

#B0431D #41B01D #1D8AB0 #8C1DB0

square

#B0431D #41B01D #1D8AB0 #8C1DB0

split-complementary

#B0431D #1DB08C #1D41B0

monochromatic

#471B0C #7B2F14 #B0431D #DD5B2E #E58462

Accessibility & contrast

On white

5.73

#B0431D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.67

#B0431D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B0431D

5.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B0431D	#FFFFFF	#000000	##FFFFFF
##B0431D	1.00	5.73	3.67	5.73
#FFFFFF	5.73	1.00	21.00	1.00
#000000	3.67	21.00	1.00	21.00
##FFFFFF	5.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#625717

Deuteranopia (green-blind)

#7D6F18

Tritanopia (blue-blind)

#C2273C

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b0431d;
/* rgb */ color: rgb(176, 67, 29);
/* oklch */ color: oklch(52.7% 0.151 38.3);

Tailwind

colors: {
  custom: {
    50: '#d07b5d',
    500: '#b0431d',
    950: '#000000',
  },
}

SCSS

$custom: #b0431d;
$custom-light: #d07b5d;
$custom-dark: #000000;

JSON

{
  "hex": "#b0431d",
  "rgb": {
    "r": 176,
    "g": 67,
    "b": 29
  },
  "hsl": {
    "h": 15.51,
    "s": 71.707,
    "l": 40.196
  },
  "oklch": {
    "l": 0.52702,
    "c": 0.15087,
    "h": 38.3
  },
  "luminance": 0.13333
}

Semantic roles & 50–950 ramp

primary

#B0431D

secondary

#5FAECA

accent

#C0EE39

background

#FDF7F5

surface

#FBEEE9

border

#D4C9C5

text

#150A04

muted

#837C79

Preview Lab

Preview with #B0431D

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

Preview Lab → · Contrast checker → · Palette generator →