#B83030#B83030

#B83030 is a mid, vivid red. Relative luminance 0.125; OKLCH L 52.1% C 0.173 H 25.6°. Best body text is #FFFFFF at 5.99:1 contrast (WCAG AA passes).

Color values

HEX	#B83030
RGB	rgb(184, 48, 48)
HSL	hsl(0, 59%, 45%)
HSV	hsv(0, 74%, 72%)
CMYK	cmyk(0%, 73.9%, 73.9%, 27.8%)
CIE-LAB	lab(42.03, 53.85, 33.09)
CIE-LCH	lch(42.03, 63.20, 31.57°)
OKLab	oklab(52.11% 0.1561 0.0746)
OKLCH	oklch(52.11% 0.173 25.6)
XYZ	xyz(21.3601, 12.5209, 4.0878)
Luminance	0.1252 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B83030 #30B8B8

analogous

#B83074 #B83030 #B87430

triadic

#B83030 #30B830 #3030B8

tetradic

#B83030 #74B830 #30B8B8 #7430B8

square

#B83030 #74B830 #30B8B8 #7430B8

split-complementary

#B83030 #30B874 #3074B8

monochromatic

#571717 #872323 #B83030 #D25353 #DF8484

Accessibility & contrast

On white

5.99

#B83030 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.50

#B83030 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B83030

5.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B83030	#FFFFFF	#000000	##FFFFFF
##B83030	1.00	5.99	3.50	5.99
#FFFFFF	5.99	1.00	21.00	1.00
#000000	3.50	21.00	1.00	21.00
##FFFFFF	5.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#58502E

Deuteranopia (green-blind)

#7A6E2B

Tritanopia (blue-blind)

#CB0032

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b83030;
/* rgb */ color: rgb(184, 48, 48);
/* oklch */ color: oklch(52.1% 0.173 25.6);

Tailwind

colors: {
  custom: {
    50: '#d67368',
    500: '#b83030',
    950: '#000000',
  },
}

SCSS

$custom: #b83030;
$custom-light: #d67368;
$custom-dark: #000000;

JSON

{
  "hex": "#b83030",
  "rgb": {
    "r": 184,
    "g": 48,
    "b": 48
  },
  "hsl": {
    "h": 0,
    "s": 58.621,
    "l": 45.49
  },
  "oklch": {
    "l": 0.52106,
    "c": 0.17302,
    "h": 25.6
  },
  "luminance": 0.12518
}

Semantic roles & 50–950 ramp

primary

#B83030

secondary

#7CC8C8

accent

#E2E246

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160906

muted

#847B7A

Preview Lab

Preview with #B83030

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

Preview Lab → · Contrast checker → · Palette generator →