#B1582A#B1582A

#B1582A is a mid, vivid orange. Relative luminance 0.165; OKLCH L 56.1% C 0.130 H 45.6°. Best body text is #FFFFFF at 4.89:1 contrast (WCAG AA passes).

Color values

HEX	#B1582A
RGB	rgb(177, 88, 42)
HSL	hsl(20, 62%, 43%)
HSV	hsv(20, 76%, 69%)
CMYK	cmyk(0%, 50.3%, 76.3%, 30.6%)
CIE-LAB	lab(47.62, 32.97, 42.04)
CIE-LCH	lch(47.62, 53.42, 51.90°)
OKLab	oklab(56.08% 0.091 0.093)
OKLCH	oklch(56.08% 0.13 45.6)
XYZ	xyz(22.0412, 16.4964, 4.2135)
Luminance	0.1649 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1582A #2A83B1

analogous

#B12A40 #B1582A #B19B2A

triadic

#B1582A #2AB158 #582AB1

tetradic

#B1582A #40B12A #2A83B1 #9B2AB1

square

#B1582A #40B12A #2A83B1 #9B2AB1

split-complementary

#B1582A #2AB19B #2A40B1

monochromatic

#4E2713 #803F1E #B1582A #D37645 #DF9A77

Accessibility & contrast

On white

4.89

#B1582A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.30

#B1582A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B1582A

4.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1582A	#FFFFFF	#000000	##FFFFFF
##B1582A	1.00	4.89	4.30	4.89
#FFFFFF	4.89	1.00	21.00	1.00
#000000	4.30	21.00	1.00	21.00
##FFFFFF	4.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#716524

Deuteranopia (green-blind)

#867928

Tritanopia (blue-blind)

#C2454E

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #b1582a;
/* rgb */ color: rgb(177, 88, 42);
/* oklch */ color: oklch(56.1% 0.130 45.6);

Tailwind

colors: {
  custom: {
    50: '#cf8966',
    500: '#b1582a',
    950: '#000000',
  },
}

SCSS

$custom: #b1582a;
$custom-light: #cf8966;
$custom-dark: #000000;

JSON

{
  "hex": "#b1582a",
  "rgb": {
    "r": 177,
    "g": 88,
    "b": 42
  },
  "hsl": {
    "h": 20.444,
    "s": 61.644,
    "l": 42.941
  },
  "oklch": {
    "l": 0.56077,
    "c": 0.13011,
    "h": 45.6
  },
  "luminance": 0.16494
}

Semantic roles & 50–950 ramp

primary

#B1582A

secondary

#70A9C6

accent

#AEE543

background

#FDF8F6

surface

#FBF0EB

border

#D4CBC6

text

#150B06

muted

#837C7A

Preview Lab

Preview with #B1582A

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

Preview Lab → · Contrast checker → · Palette generator →