#B1582B#B1582B

#B1582B is a mid, vivid orange. Relative luminance 0.165; OKLCH L 56.1% C 0.130 H 45.3°. Best body text is #FFFFFF at 4.88:1 contrast (WCAG AA passes).

Color values

HEX	#B1582B
RGB	rgb(177, 88, 43)
HSL	hsl(20, 61%, 43%)
HSV	hsv(20, 76%, 69%)
CMYK	cmyk(0%, 50.3%, 75.7%, 30.6%)
CIE-LAB	lab(47.63, 33.01, 41.55)
CIE-LCH	lch(47.63, 53.07, 51.53°)
OKLab	oklab(56.09% 0.0913 0.0922)
OKLCH	oklch(56.09% 0.13 45.3)
XYZ	xyz(22.0593, 16.5037, 4.3089)
Luminance	0.1650 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1582B #2B84B1

analogous

#B12B41 #B1582B #B19B2B

triadic

#B1582B #2BB158 #582BB1

tetradic

#B1582B #41B12B #2B84B1 #9B2BB1

square

#B1582B #41B12B #2B84B1 #9B2BB1

split-complementary

#B1582B #2BB19B #2B41B1

monochromatic

#4F2713 #80401F #B1582B #D27647 #DE9A78

Accessibility & contrast

On white

4.88

#B1582B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.30

#B1582B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B1582B

4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1582B	#FFFFFF	#000000	##FFFFFF
##B1582B	1.00	4.88	4.30	4.88
#FFFFFF	4.88	1.00	21.00	1.00
#000000	4.30	21.00	1.00	21.00
##FFFFFF	4.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#716526

Deuteranopia (green-blind)

#867929

Tritanopia (blue-blind)

#C2454E

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #b1582b;
/* rgb */ color: rgb(177, 88, 43);
/* oklch */ color: oklch(56.1% 0.130 45.3);

Tailwind

colors: {
  custom: {
    50: '#cf8967',
    500: '#b1582b',
    950: '#000000',
  },
}

SCSS

$custom: #b1582b;
$custom-light: #cf8967;
$custom-dark: #000000;

JSON

{
  "hex": "#b1582b",
  "rgb": {
    "r": 177,
    "g": 88,
    "b": 43
  },
  "hsl": {
    "h": 20.149,
    "s": 60.909,
    "l": 43.137
  },
  "oklch": {
    "l": 0.56087,
    "c": 0.12973,
    "h": 45.3
  },
  "luminance": 0.16501
}

Semantic roles & 50–950 ramp

primary

#B1582B

secondary

#72AAC6

accent

#AEE444

background

#FDF8F6

surface

#FBF0EB

border

#D4CBC6

text

#150B06

muted

#837C7A

Preview Lab

Preview with #B1582B

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

Preview Lab → · Contrast checker → · Palette generator →