#B13733#B13733

#B13733 is a mid, vivid red. Relative luminance 0.123; OKLCH L 51.6% C 0.159 H 26.2°. Best body text is #FFFFFF at 6.06:1 contrast (WCAG AA passes).

Color values

HEX	#B13733
RGB	rgb(177, 55, 51)
HSL	hsl(2, 55%, 45%)
HSV	hsv(2, 71%, 69%)
CMYK	cmyk(0%, 68.9%, 71.2%, 30.6%)
CIE-LAB	lab(41.72, 49.07, 30.62)
CIE-LCH	lch(41.72, 57.84, 31.97°)
OKLab	oklab(51.65% 0.1425 0.0703)
OKLCH	oklch(51.65% 0.159 26.2)
XYZ	xyz(20.0974, 12.3214, 4.4514)
Luminance	0.1232 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B13733 #33ADB1

analogous

#B1336E #B13733 #B17633

triadic

#B13733 #33B137 #3733B1

tetradic

#B13733 #6EB133 #33ADB1 #7633B1

square

#B13733 #6EB133 #33ADB1 #7633B1

split-complementary

#B13733 #33B176 #336EB1

monochromatic

#521918 #812825 #B13733 #CE5754 #DB8683

Accessibility & contrast

On white

6.06

#B13733 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.46

#B13733 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B13733

6.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B13733	#FFFFFF	#000000	##FFFFFF
##B13733	1.00	6.06	3.46	6.06
#FFFFFF	6.06	1.00	21.00	1.00
#000000	3.46	21.00	1.00	21.00
##FFFFFF	6.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#595231

Deuteranopia (green-blind)

#786C2F

Tritanopia (blue-blind)

#C31237

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #b13733;
/* rgb */ color: rgb(177, 55, 51);
/* oklch */ color: oklch(51.6% 0.159 26.2);

Tailwind

colors: {
  custom: {
    50: '#d0756b',
    500: '#b13733',
    950: '#000000',
  },
}

SCSS

$custom: #b13733;
$custom-light: #d0756b;
$custom-dark: #000000;

JSON

{
  "hex": "#b13733",
  "rgb": {
    "r": 177,
    "g": 55,
    "b": 51
  },
  "hsl": {
    "h": 1.905,
    "s": 55.263,
    "l": 44.706
  },
  "oklch": {
    "l": 0.51648,
    "c": 0.1589,
    "h": 26.2
  },
  "luminance": 0.12319
}

Semantic roles & 50–950 ramp

primary

#B13733

secondary

#7BC2C5

accent

#DADF49

background

#FDF7F6

surface

#FBEDEB

border

#D4C8C6

text

#150906

muted

#837B7A

Preview Lab

Preview with #B13733

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

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