#B23E21#B23E21

#B23E21 is a mid, vivid red. Relative luminance 0.130; OKLCH L 52.4% C 0.157 H 35.0°. Best body text is #FFFFFF at 5.83:1 contrast (WCAG AA passes).

Color values

HEX	#B23E21
RGB	rgb(178, 62, 33)
HSL	hsl(12, 69%, 41%)
HSV	hsv(12, 81%, 70%)
CMYK	cmyk(0%, 65.2%, 81.5%, 30.2%)
CIE-LAB	lab(42.80, 45.73, 41.78)
CIE-LCH	lch(42.80, 61.94, 42.42°)
OKLab	oklab(52.43% 0.1284 0.0898)
OKLCH	oklch(52.43% 0.157 35)
XYZ	xyz(20.3595, 13.0230, 2.8802)
Luminance	0.1302 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B23E21 #2195B2

analogous

#B2214D #B23E21 #B28721

triadic

#B23E21 #21B23E #3E21B2

tetradic

#B23E21 #4DB221 #2195B2 #8721B2

square

#B23E21 #4DB221 #2195B2 #8721B2

split-complementary

#B23E21 #21B287 #214DB2

monochromatic

#4B1A0E #7E2C17 #B23E21 #DA5736 #E3826A

Accessibility & contrast

On white

5.83

#B23E21 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.60

#B23E21 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B23E21

5.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B23E21	#FFFFFF	#000000	##FFFFFF
##B23E21	1.00	5.83	3.60	5.83
#FFFFFF	5.83	1.00	21.00	1.00
#000000	3.60	21.00	1.00	21.00
##FFFFFF	5.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F551D

Deuteranopia (green-blind)

#7C6F1C

Tritanopia (blue-blind)

#C41D38

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b23e21;
/* rgb */ color: rgb(178, 62, 33);
/* oklch */ color: oklch(52.4% 0.157 35.0);

Tailwind

colors: {
  custom: {
    50: '#d1795f',
    500: '#b23e21',
    950: '#000000',
  },
}

SCSS

$custom: #b23e21;
$custom-light: #d1795f;
$custom-dark: #000000;

JSON

{
  "hex": "#b23e21",
  "rgb": {
    "r": 178,
    "g": 62,
    "b": 33
  },
  "hsl": {
    "h": 12,
    "s": 68.72,
    "l": 41.373
  },
  "oklch": {
    "l": 0.52426,
    "c": 0.15668,
    "h": 35
  },
  "luminance": 0.1302
}

Semantic roles & 50–950 ramp

primary

#B23E21

secondary

#66B5C9

accent

#C8EC3C

background

#FEF7F5

surface

#FCEEE9

border

#D5C9C5

text

#160905

muted

#847B79

Preview Lab

Preview with #B23E21

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

Preview Lab → · Contrast checker → · Palette generator →