#B13030#B13030

#B13030 is a mid, vivid red. Relative luminance 0.117; OKLCH L 50.9% C 0.166 H 25.3°. Best body text is #FFFFFF at 6.30:1 contrast (WCAG AA passes).

Color values

HEX	#B13030
RGB	rgb(177, 48, 48)
HSL	hsl(0, 57%, 44%)
HSV	hsv(0, 73%, 69%)
CMYK	cmyk(0%, 72.9%, 72.9%, 30.6%)
CIE-LAB	lab(40.70, 51.63, 31.21)
CIE-LCH	lch(40.70, 60.33, 31.15°)
OKLab	oklab(50.87% 0.15 0.071)
OKLCH	oklch(50.87% 0.166 25.3)
XYZ	xyz(19.7241, 11.6774, 4.0111)
Luminance	0.1167 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B13030 #30B1B1

analogous

#B13071 #B13030 #B17130

triadic

#B13030 #30B130 #3030B1

tetradic

#B13030 #71B130 #30B1B1 #7130B1

square

#B13030 #71B130 #30B1B1 #7130B1

split-complementary

#B13030 #30B171 #3071B1

monochromatic

#511616 #812323 #B13030 #CF4F4F #DC7F7F

Accessibility & contrast

On white

6.30

#B13030 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.33

#B13030 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B13030

6.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B13030	#FFFFFF	#000000	##FFFFFF
##B13030	1.00	6.30	3.33	6.30
#FFFFFF	6.30	1.00	21.00	1.00
#000000	3.33	21.00	1.00	21.00
##FFFFFF	6.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#564E2F

Deuteranopia (green-blind)

#766A2C

Tritanopia (blue-blind)

#C30032

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #b13030;
/* rgb */ color: rgb(177, 48, 48);
/* oklch */ color: oklch(50.9% 0.166 25.3);

Tailwind

colors: {
  custom: {
    50: '#d07268',
    500: '#b13030',
    950: '#000000',
  },
}

SCSS

$custom: #b13030;
$custom-light: #d07268;
$custom-dark: #000000;

JSON

{
  "hex": "#b13030",
  "rgb": {
    "r": 177,
    "g": 48,
    "b": 48
  },
  "hsl": {
    "h": 0,
    "s": 57.333,
    "l": 44.118
  },
  "oklch": {
    "l": 0.5087,
    "c": 0.16589,
    "h": 25.3
  },
  "luminance": 0.11674
}

Semantic roles & 50–950 ramp

primary

#B13030

secondary

#78C5C5

accent

#E1E147

background

#FDF7F6

surface

#FBEDEB

border

#D4C8C6

text

#150806

muted

#837B7A

Preview Lab

Preview with #B13030

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

Preview Lab → · Contrast checker → · Palette generator →