#B13033#B13033

#B13033 is a mid, vivid red. Relative luminance 0.117; OKLCH L 50.9% C 0.166 H 24.1°. Best body text is #FFFFFF at 6.29:1 contrast (WCAG AA passes).

Color values

HEX	#B13033
RGB	rgb(177, 48, 51)
HSL	hsl(359, 57%, 44%)
HSV	hsv(359, 73%, 69%)
CMYK	cmyk(0%, 72.9%, 71.2%, 30.6%)
CIE-LAB	lab(40.74, 51.77, 29.47)
CIE-LCH	lch(40.74, 59.57, 29.65°)
OKLab	oklab(50.91% 0.1511 0.0677)
OKLCH	oklch(50.91% 0.166 24.1)
XYZ	xyz(19.7882, 11.7030, 4.3483)
Luminance	0.1170 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B13033 #30B1AE

analogous

#B13074 #B13033 #B16E30

triadic

#B13033 #33B130 #3033B1

tetradic

#B13033 #74B130 #30B1AE #6E30B1

square

#B13033 #74B130 #30B1AE #6E30B1

split-complementary

#B13033 #30B16E #3074B1

monochromatic

#511617 #812325 #B13033 #CF4F52 #DC7F81

Accessibility & contrast

On white

6.29

#B13033 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.34

#B13033 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B13033

6.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B13033	#FFFFFF	#000000	##FFFFFF
##B13033	1.00	6.29	3.34	6.29
#FFFFFF	6.29	1.00	21.00	1.00
#000000	3.34	21.00	1.00	21.00
##FFFFFF	6.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#554E32

Deuteranopia (green-blind)

#756A2F

Tritanopia (blue-blind)

#C30033

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #b13033;
/* rgb */ color: rgb(177, 48, 51);
/* oklch */ color: oklch(50.9% 0.166 24.1);

Tailwind

colors: {
  custom: {
    50: '#d0726b',
    500: '#b13033',
    950: '#000000',
  },
}

SCSS

$custom: #b13033;
$custom-light: #d0726b;
$custom-dark: #000000;

JSON

{
  "hex": "#b13033",
  "rgb": {
    "r": 177,
    "g": 48,
    "b": 51
  },
  "hsl": {
    "h": 358.605,
    "s": 57.333,
    "l": 44.118
  },
  "oklch": {
    "l": 0.50914,
    "c": 0.16553,
    "h": 24.1
  },
  "luminance": 0.117
}

Semantic roles & 50–950 ramp

primary

#B13033

secondary

#78C5C3

accent

#E1DD47

background

#FDF7F6

surface

#FBEDEB

border

#D4C8C6

text

#150806

muted

#837B7A

Preview Lab

Preview with #B13033

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

Preview Lab → · Contrast checker → · Palette generator →