#B43017#B43017

#B43017 is a mid, vivid red. Relative luminance 0.119; OKLCH L 51.1% C 0.173 H 32.7°. Best body text is #FFFFFF at 6.22:1 contrast (WCAG AA passes).

Color values

HEX	#B43017
RGB	rgb(180, 48, 23)
HSL	hsl(10, 77%, 40%)
HSV	hsv(10, 87%, 71%)
CMYK	cmyk(0%, 73.3%, 87.2%, 29.4%)
CIE-LAB	lab(41.03, 51.76, 45.13)
CIE-LCH	lch(41.03, 68.67, 41.08°)
OKLab	oklab(51.14% 0.1452 0.0932)
OKLCH	oklch(51.14% 0.173 32.7)
XYZ	xyz(20.0364, 11.8822, 2.0489)
Luminance	0.1188 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B43017 #179BB4

analogous

#B4174D #B43017 #B47E17

triadic

#B43017 #17B430 #3017B4

tetradic

#B43017 #4DB417 #179BB4 #7E17B4

square

#B43017 #4DB417 #179BB4 #7E17B4

split-complementary

#B43017 #17B47E #174DB4

monochromatic

#471309 #7E2210 #B43017 #E34325 #EA725B

Accessibility & contrast

On white

6.22

#B43017 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.38

#B43017 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B43017

6.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B43017	#FFFFFF	#000000	##FFFFFF
##B43017	1.00	6.22	3.38	6.22
#FFFFFF	6.22	1.00	21.00	1.00
#000000	3.38	21.00	1.00	21.00
##FFFFFF	6.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#594E11

Deuteranopia (green-blind)

#796B0D

Tritanopia (blue-blind)

#C7002C

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #b43017;
/* rgb */ color: rgb(180, 48, 23);
/* oklch */ color: oklch(51.1% 0.173 32.7);

Tailwind

colors: {
  custom: {
    50: '#d47258',
    500: '#b43017',
    950: '#000000',
  },
}

SCSS

$custom: #b43017;
$custom-light: #d47258;
$custom-dark: #000000;

JSON

{
  "hex": "#b43017",
  "rgb": {
    "r": 180,
    "g": 48,
    "b": 23
  },
  "hsl": {
    "h": 9.554,
    "s": 77.34,
    "l": 39.804
  },
  "oklch": {
    "l": 0.51143,
    "c": 0.17255,
    "h": 32.7
  },
  "luminance": 0.11879
}

Semantic roles & 50–950 ramp

primary

#B43017

secondary

#59BBCE

accent

#D5F434

background

#FEF7F5

surface

#FDEDE9

border

#D5C8C5

text

#160803

muted

#847B78

Preview Lab

Preview with #B43017

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

Preview Lab → · Contrast checker → · Palette generator →