#B0582A#B0582A

#B0582A is a mid, vivid orange. Relative luminance 0.164; OKLCH L 55.9% C 0.129 H 45.9°. Best body text is #FFFFFF at 4.91:1 contrast (WCAG AA passes).

Color values

HEX	#B0582A
RGB	rgb(176, 88, 42)
HSL	hsl(21, 61%, 43%)
HSV	hsv(21, 76%, 69%)
CMYK	cmyk(0%, 50%, 76.1%, 31%)
CIE-LAB	lab(47.47, 32.56, 41.84)
CIE-LCH	lch(47.47, 53.01, 52.11°)
OKLab	oklab(55.93% 0.0898 0.0926)
OKLCH	oklch(55.93% 0.129 45.9)
XYZ	xyz(21.8142, 16.3794, 4.2028)
Luminance	0.1638 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B0582A #2A82B0

analogous

#B02A3F #B0582A #B09B2A

triadic

#B0582A #2AB058 #582AB0

tetradic

#B0582A #3FB02A #2A82B0 #9B2AB0

square

#B0582A #3FB02A #2A82B0 #9B2AB0

split-complementary

#B0582A #2AB09B #2A3FB0

monochromatic

#4D2712 #7F3F1E #B0582A #D37545 #DE9A76

Accessibility & contrast

On white

4.91

#B0582A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.28

#B0582A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B0582A

4.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B0582A	#FFFFFF	#000000	##FFFFFF
##B0582A	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)

#716424

Deuteranopia (green-blind)

#867828

Tritanopia (blue-blind)

#C1454E

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #b0582a;
/* rgb */ color: rgb(176, 88, 42);
/* oklch */ color: oklch(55.9% 0.129 45.9);

Tailwind

colors: {
  custom: {
    50: '#ce8966',
    500: '#b0582a',
    950: '#000000',
  },
}

SCSS

$custom: #b0582a;
$custom-light: #ce8966;
$custom-dark: #000000;

JSON

{
  "hex": "#b0582a",
  "rgb": {
    "r": 176,
    "g": 88,
    "b": 42
  },
  "hsl": {
    "h": 20.597,
    "s": 61.468,
    "l": 42.745
  },
  "oklch": {
    "l": 0.55931,
    "c": 0.12903,
    "h": 45.9
  },
  "luminance": 0.16377
}

Semantic roles & 50–950 ramp

primary

#B0582A

secondary

#70A8C6

accent

#ADE543

background

#FDF8F6

surface

#FBF0EB

border

#D4CBC6

text

#150B06

muted

#837C7A

Preview Lab

Preview with #B0582A

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

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