#B83039#B83039

#B83039 is a mid, vivid red. Relative luminance 0.126; OKLCH L 52.2% C 0.172 H 22.1°. Best body text is #FFFFFF at 5.97:1 contrast (WCAG AA passes).

Color values

HEX	#B83039
RGB	rgb(184, 48, 57)
HSL	hsl(356, 59%, 45%)
HSV	hsv(356, 74%, 72%)
CMYK	cmyk(0%, 73.9%, 69%, 27.8%)
CIE-LAB	lab(42.16, 54.27, 27.86)
CIE-LCH	lch(42.16, 61.01, 27.18°)
OKLab	oklab(52.24% 0.1594 0.0649)
OKLCH	oklch(52.24% 0.172 22.1)
XYZ	xyz(21.5650, 12.6029, 5.1672)
Luminance	0.1260 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B83039 #30B8AF

analogous

#B8307D #B83039 #B86B30

triadic

#B83039 #39B830 #3039B8

tetradic

#B83039 #7DB830 #30B8AF #6B30B8

square

#B83039 #7DB830 #30B8AF #6B30B8

split-complementary

#B83039 #30B86B #307DB8

monochromatic

#57171B #87232A #B83039 #D2535B #DF848A

Accessibility & contrast

On white

5.97

#B83039 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.52

#B83039 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B83039

5.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B83039	#FFFFFF	#000000	##FFFFFF
##B83039	1.00	5.97	3.52	5.97
#FFFFFF	5.97	1.00	21.00	1.00
#000000	3.52	21.00	1.00	21.00
##FFFFFF	5.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#575138

Deuteranopia (green-blind)

#796E35

Tritanopia (blue-blind)

#CA0035

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b83039;
/* rgb */ color: rgb(184, 48, 57);
/* oklch */ color: oklch(52.2% 0.172 22.1);

Tailwind

colors: {
  custom: {
    50: '#d5736f',
    500: '#b83039',
    950: '#000000',
  },
}

SCSS

$custom: #b83039;
$custom-light: #d5736f;
$custom-dark: #000000;

JSON

{
  "hex": "#b83039",
  "rgb": {
    "r": 184,
    "g": 48,
    "b": 57
  },
  "hsl": {
    "h": 356.029,
    "s": 58.621,
    "l": 45.49
  },
  "oklch": {
    "l": 0.52241,
    "c": 0.17208,
    "h": 22.1
  },
  "luminance": 0.126
}

Semantic roles & 50–950 ramp

primary

#B83039

secondary

#7CC8C3

accent

#E2D846

background

#FEF7F6

surface

#FCEDEC

border

#D5C8C7

text

#160907

muted

#847B7A

Preview Lab

Preview with #B83039

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

Preview Lab → · Contrast checker → · Palette generator →