#B0421D#B0421D

#B0421D is a mid, vivid orange. Relative luminance 0.132; OKLCH L 52.6% C 0.152 H 37.9°. Best body text is #FFFFFF at 5.76:1 contrast (WCAG AA passes).

Color values

HEX	#B0421D
RGB	rgb(176, 66, 29)
HSL	hsl(15, 72%, 40%)
HSV	hsv(15, 84%, 69%)
CMYK	cmyk(0%, 62.5%, 83.5%, 31%)
CIE-LAB	lab(43.09, 43.08, 43.87)
CIE-LCH	lch(43.09, 61.49, 45.53°)
OKLab	oklab(52.57% 0.1197 0.0932)
OKLCH	oklch(52.57% 0.152 37.9)
XYZ	xyz(20.0767, 13.2181, 2.6563)
Luminance	0.1321 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B0421D #1D8BB0

analogous

#B01D42 #B0421D #B08B1D

triadic

#B0421D #1DB042 #421DB0

tetradic

#B0421D #42B01D #1D8BB0 #8B1DB0

square

#B0421D #42B01D #1D8BB0 #8B1DB0

split-complementary

#B0421D #1DB08B #1D42B0

monochromatic

#471B0C #7B2E14 #B0421D #DD5A2E #E58362

Accessibility & contrast

On white

5.76

#B0421D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.64

#B0421D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B0421D

5.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B0421D	#FFFFFF	#000000	##FFFFFF
##B0421D	1.00	5.76	3.64	5.76
#FFFFFF	5.76	1.00	21.00	1.00
#000000	3.64	21.00	1.00	21.00
##FFFFFF	5.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#625617

Deuteranopia (green-blind)

#7D6F18

Tritanopia (blue-blind)

#C2253B

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b0421d;
/* rgb */ color: rgb(176, 66, 29);
/* oklch */ color: oklch(52.6% 0.152 37.9);

Tailwind

colors: {
  custom: {
    50: '#d07b5d',
    500: '#b0421d',
    950: '#000000',
  },
}

SCSS

$custom: #b0421d;
$custom-light: #d07b5d;
$custom-dark: #000000;

JSON

{
  "hex": "#b0421d",
  "rgb": {
    "r": 176,
    "g": 66,
    "b": 29
  },
  "hsl": {
    "h": 15.102,
    "s": 71.707,
    "l": 40.196
  },
  "oklch": {
    "l": 0.5257,
    "c": 0.15176,
    "h": 37.9
  },
  "luminance": 0.13215
}

Semantic roles & 50–950 ramp

primary

#B0421D

secondary

#5FAFCA

accent

#C1EE39

background

#FDF7F5

surface

#FBEEE9

border

#D4C9C5

text

#160A04

muted

#847C79

Preview Lab

Preview with #B0421D

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

Preview Lab → · Contrast checker → · Palette generator →