#B23821#B23821

#B23821 is a mid, vivid red. Relative luminance 0.124; OKLCH L 51.7% C 0.162 H 32.8°. Best body text is #FFFFFF at 6.03:1 contrast (WCAG AA passes).

Color values

HEX	#B23821
RGB	rgb(178, 56, 33)
HSL	hsl(10, 69%, 41%)
HSV	hsv(10, 81%, 70%)
CMYK	cmyk(0%, 68.5%, 81.5%, 30.2%)
CIE-LAB	lab(41.85, 48.28, 40.88)
CIE-LCH	lch(41.85, 63.26, 40.25°)
OKLab	oklab(51.72% 0.1363 0.0878)
OKLCH	oklch(51.72% 0.162 32.8)
XYZ	xyz(20.0511, 12.4061, 2.7774)
Luminance	0.1240 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B23821 #219BB2

analogous

#B22153 #B23821 #B28121

triadic

#B23821 #21B238 #3821B2

tetradic

#B23821 #53B221 #219BB2 #8121B2

square

#B23821 #53B221 #219BB2 #8121B2

split-complementary

#B23821 #21B281 #2153B2

monochromatic

#4B180E #7E2817 #B23821 #DA5036 #E37D6A

Accessibility & contrast

On white

6.03

#B23821 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.48

#B23821 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B23821

6.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B23821	#FFFFFF	#000000	##FFFFFF
##B23821	1.00	6.03	3.48	6.03
#FFFFFF	6.03	1.00	21.00	1.00
#000000	3.48	21.00	1.00	21.00
##FFFFFF	6.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C521D

Deuteranopia (green-blind)

#7A6D1B

Tritanopia (blue-blind)

#C40D34

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b23821;
/* rgb */ color: rgb(178, 56, 33);
/* oklch */ color: oklch(51.7% 0.162 32.8);

Tailwind

colors: {
  custom: {
    50: '#d2765e',
    500: '#b23821',
    950: '#000000',
  },
}

SCSS

$custom: #b23821;
$custom-light: #d2765e;
$custom-dark: #000000;

JSON

{
  "hex": "#b23821",
  "rgb": {
    "r": 178,
    "g": 56,
    "b": 33
  },
  "hsl": {
    "h": 9.517,
    "s": 68.72,
    "l": 41.373
  },
  "oklch": {
    "l": 0.51717,
    "c": 0.16212,
    "h": 32.8
  },
  "luminance": 0.12403
}

Semantic roles & 50–950 ramp

primary

#B23821

secondary

#66B9C9

accent

#D0EC3C

background

#FEF7F5

surface

#FCEDE9

border

#D5C8C5

text

#160904

muted

#847B79

Preview Lab

Preview with #B23821

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

Preview Lab → · Contrast checker → · Palette generator →