#B43917#B43917

#B43917 is a mid, vivid red. Relative luminance 0.127; OKLCH L 52.1% C 0.165 H 35.4°. Best body text is #FFFFFF at 5.94:1 contrast (WCAG AA passes).

Color values

HEX	#B43917
RGB	rgb(180, 57, 23)
HSL	hsl(13, 77%, 40%)
HSV	hsv(13, 87%, 71%)
CMYK	cmyk(0%, 68.3%, 87.2%, 29.4%)
CIE-LAB	lab(42.30, 48.28, 46.17)
CIE-LCH	lch(42.30, 66.81, 43.72°)
OKLab	oklab(52.1% 0.1345 0.0957)
OKLCH	oklch(52.1% 0.165 35.4)
XYZ	xyz(20.4426, 12.6945, 2.1843)
Luminance	0.1269 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B43917 #1792B4

analogous

#B41743 #B43917 #B48817

triadic

#B43917 #17B439 #3917B4

tetradic

#B43917 #43B417 #1792B4 #8817B4

square

#B43917 #43B417 #1792B4 #8817B4

split-complementary

#B43917 #17B488 #1743B4

monochromatic

#471709 #7E2810 #B43917 #E34E25 #EA7A5B

Accessibility & contrast

On white

5.94

#B43917 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.54

#B43917 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B43917

5.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B43917	#FFFFFF	#000000	##FFFFFF
##B43917	1.00	5.94	3.54	5.94
#FFFFFF	5.94	1.00	21.00	1.00
#000000	3.54	21.00	1.00	21.00
##FFFFFF	5.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E5210

Deuteranopia (green-blind)

#7C6E0F

Tritanopia (blue-blind)

#C70C33

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b43917;
/* rgb */ color: rgb(180, 57, 23);
/* oklch */ color: oklch(52.1% 0.165 35.4);

Tailwind

colors: {
  custom: {
    50: '#d47659',
    500: '#b43917',
    950: '#000000',
  },
}

SCSS

$custom: #b43917;
$custom-light: #d47659;
$custom-dark: #000000;

JSON

{
  "hex": "#b43917",
  "rgb": {
    "r": 180,
    "g": 57,
    "b": 23
  },
  "hsl": {
    "h": 12.994,
    "s": 77.34,
    "l": 39.804
  },
  "oklch": {
    "l": 0.52095,
    "c": 0.16502,
    "h": 35.4
  },
  "luminance": 0.12691
}

Semantic roles & 50–950 ramp

primary

#B43917

secondary

#59B4CE

accent

#CAF434

background

#FEF7F5

surface

#FCEDE9

border

#D5C8C5

text

#160904

muted

#847B79

Preview Lab

Preview with #B43917

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

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