#B13638#B13638

#B13638 is a mid, vivid red. Relative luminance 0.123; OKLCH L 51.6% C 0.159 H 23.8°. Best body text is #FFFFFF at 6.08:1 contrast (WCAG AA passes).

Color values

HEX	#B13638
RGB	rgb(177, 54, 56)
HSL	hsl(359, 53%, 45%)
HSV	hsv(359, 69%, 69%)
CMYK	cmyk(0%, 69.5%, 68.4%, 30.6%)
CIE-LAB	lab(41.65, 49.74, 27.55)
CIE-LCH	lch(41.65, 56.85, 28.98°)
OKLab	oklab(51.62% 0.1457 0.0643)
OKLCH	oklch(51.62% 0.159 23.8)
XYZ	xyz(20.1666, 12.2739, 5.0478)
Luminance	0.1227 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B13638 #36B1AF

analogous

#B13676 #B13638 #B17136

triadic

#B13638 #38B136 #3638B1

tetradic

#B13638 #76B136 #36B1AF #7136B1

square

#B13638 #76B136 #36B1AF #7136B1

split-complementary

#B13638 #36B171 #3676B1

monochromatic

#53191A #822829 #B13638 #CC585A #DA8788

Accessibility & contrast

On white

6.08

#B13638 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.45

#B13638 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B13638

6.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B13638	#FFFFFF	#000000	##FFFFFF
##B13638	1.00	6.08	3.45	6.08
#FFFFFF	6.08	1.00	21.00	1.00
#000000	3.45	21.00	1.00	21.00
##FFFFFF	6.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#585137

Deuteranopia (green-blind)

#776C34

Tritanopia (blue-blind)

#C21138

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #b13638;
/* rgb */ color: rgb(177, 54, 56);
/* oklch */ color: oklch(51.6% 0.159 23.8);

Tailwind

colors: {
  custom: {
    50: '#d0756e',
    500: '#b13638',
    950: '#000000',
  },
}

SCSS

$custom: #b13638;
$custom-light: #d0756e;
$custom-dark: #000000;

JSON

{
  "hex": "#b13638",
  "rgb": {
    "r": 177,
    "g": 54,
    "b": 56
  },
  "hsl": {
    "h": 359.024,
    "s": 53.247,
    "l": 45.294
  },
  "oklch": {
    "l": 0.51616,
    "c": 0.15923,
    "h": 23.8
  },
  "luminance": 0.12271
}

Semantic roles & 50–950 ramp

primary

#B13638

secondary

#7FC4C3

accent

#DDDA4B

background

#FDF7F6

surface

#FBEDEC

border

#D4C8C7

text

#150907

muted

#837B7A

Preview Lab

Preview with #B13638

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

Preview Lab → · Contrast checker → · Palette generator →