#B43B15#B43B15

#B43B15 is a mid, vivid red. Relative luminance 0.129; OKLCH L 52.3% C 0.164 H 36.5°. Best body text is #FFFFFF at 5.87:1 contrast (WCAG AA passes).

Color values

HEX	#B43B15
RGB	rgb(180, 59, 21)
HSL	hsl(14, 79%, 39%)
HSV	hsv(14, 88%, 71%)
CMYK	cmyk(0%, 67.2%, 88.3%, 29.4%)
CIE-LAB	lab(42.59, 47.41, 47.25)
CIE-LCH	lch(42.59, 66.93, 44.91°)
OKLab	oklab(52.31% 0.1315 0.0974)
OKLCH	oklch(52.31% 0.164 36.5)
XYZ	xyz(20.5241, 12.8885, 2.1163)
Luminance	0.1288 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B43B15 #158EB4

analogous

#B4153E #B43B15 #B48B15

triadic

#B43B15 #15B43B #3B15B4

tetradic

#B43B15 #3EB415 #158EB4 #8B15B4

square

#B43B15 #3EB415 #158EB4 #8B15B4

split-complementary

#B43B15 #15B48B #153EB4

monochromatic

#461708 #7D290F #B43B15 #E55021 #EC7B58

Accessibility & contrast

On white

5.87

#B43B15 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.58

#B43B15 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B43B15

5.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B43B15	#FFFFFF	#000000	##FFFFFF
##B43B15	1.00	5.87	3.58	5.87
#FFFFFF	5.87	1.00	21.00	1.00
#000000	3.58	21.00	1.00	21.00
##FFFFFF	5.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F530D

Deuteranopia (green-blind)

#7D6F0C

Tritanopia (blue-blind)

#C71234

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b43b15;
/* rgb */ color: rgb(180, 59, 21);
/* oklch */ color: oklch(52.3% 0.164 36.5);

Tailwind

colors: {
  custom: {
    50: '#d47758',
    500: '#b43b15',
    950: '#000000',
  },
}

SCSS

$custom: #b43b15;
$custom-light: #d47758;
$custom-dark: #000000;

JSON

{
  "hex": "#b43b15",
  "rgb": {
    "r": 180,
    "g": 59,
    "b": 21
  },
  "hsl": {
    "h": 14.34,
    "s": 79.104,
    "l": 39.412
  },
  "oklch": {
    "l": 0.52313,
    "c": 0.16361,
    "h": 36.5
  },
  "luminance": 0.12885
}

Semantic roles & 50–950 ramp

primary

#B43B15

secondary

#56B2CF

accent

#C7F632

background

#FEF7F5

surface

#FCEDE9

border

#D5C8C5

text

#160903

muted

#847B78

Preview Lab

Preview with #B43B15

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

Preview Lab → · Contrast checker → · Palette generator →