#B0582B#B0582B

#B0582B is a mid, vivid orange. Relative luminance 0.164; OKLCH L 55.9% C 0.129 H 45.5°. Best body text is #FFFFFF at 4.91:1 contrast (WCAG AA passes).

Color values

HEX	#B0582B
RGB	rgb(176, 88, 43)
HSL	hsl(20, 61%, 43%)
HSV	hsv(20, 76%, 69%)
CMYK	cmyk(0%, 50%, 75.6%, 31%)
CIE-LAB	lab(47.48, 32.60, 41.34)
CIE-LCH	lch(47.48, 52.65, 51.74°)
OKLab	oklab(55.94% 0.0901 0.0918)
OKLCH	oklch(55.94% 0.129 45.5)
XYZ	xyz(21.8323, 16.3866, 4.2983)
Luminance	0.1638 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B0582B #2B83B0

analogous

#B02B40 #B0582B #B09B2B

triadic

#B0582B #2BB058 #582BB0

tetradic

#B0582B #40B02B #2B83B0 #9B2BB0

square

#B0582B #40B02B #2B83B0 #9B2BB0

split-complementary

#B0582B #2BB09B #2B40B0

monochromatic

#4E2713 #7F3F1F #B0582B #D27646 #DE9A78

Accessibility & contrast

On white

4.91

#B0582B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.28

#B0582B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B0582B

4.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B0582B	#FFFFFF	#000000	##FFFFFF
##B0582B	1.00	4.91	4.28	4.91
#FFFFFF	4.91	1.00	21.00	1.00
#000000	4.28	21.00	1.00	21.00
##FFFFFF	4.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#716526

Deuteranopia (green-blind)

#867829

Tritanopia (blue-blind)

#C1454E

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #b0582b;
/* rgb */ color: rgb(176, 88, 43);
/* oklch */ color: oklch(55.9% 0.129 45.5);

Tailwind

colors: {
  custom: {
    50: '#ce8967',
    500: '#b0582b',
    950: '#000000',
  },
}

SCSS

$custom: #b0582b;
$custom-light: #ce8967;
$custom-dark: #000000;

JSON

{
  "hex": "#b0582b",
  "rgb": {
    "r": 176,
    "g": 88,
    "b": 43
  },
  "hsl": {
    "h": 20.301,
    "s": 60.731,
    "l": 42.941
  },
  "oklch": {
    "l": 0.55941,
    "c": 0.12866,
    "h": 45.5
  },
  "luminance": 0.16384
}

Semantic roles & 50–950 ramp

primary

#B0582B

secondary

#71A9C6

accent

#AEE444

background

#FDF8F6

surface

#FBF0EB

border

#D4CBC6

text

#150B06

muted

#837C7A

Preview Lab

Preview with #B0582B

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

Preview Lab → · Contrast checker → · Palette generator →