#B23D21#B23D21

#B23D21 is a mid, vivid red. Relative luminance 0.129; OKLCH L 52.3% C 0.158 H 34.6°. Best body text is #FFFFFF at 5.86:1 contrast (WCAG AA passes).

Color values

HEX	#B23D21
RGB	rgb(178, 61, 33)
HSL	hsl(12, 69%, 41%)
HSV	hsv(12, 81%, 70%)
CMYK	cmyk(0%, 65.7%, 81.5%, 30.2%)
CIE-LAB	lab(42.64, 46.16, 41.63)
CIE-LCH	lch(42.64, 62.16, 42.04°)
OKLab	oklab(52.3% 0.1297 0.0895)
OKLCH	oklch(52.3% 0.158 34.6)
XYZ	xyz(20.3057, 12.9153, 2.8622)
Luminance	0.1291 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B23D21 #2196B2

analogous

#B2214E #B23D21 #B28621

triadic

#B23D21 #21B23D #3D21B2

tetradic

#B23D21 #4EB221 #2196B2 #8621B2

square

#B23D21 #4EB221 #2196B2 #8621B2

split-complementary

#B23D21 #21B286 #214EB2

monochromatic

#4B1A0E #7E2B17 #B23D21 #DA5636 #E3816A

Accessibility & contrast

On white

5.86

#B23D21 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.58

#B23D21 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B23D21

5.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B23D21	#FFFFFF	#000000	##FFFFFF
##B23D21	1.00	5.86	3.58	5.86
#FFFFFF	5.86	1.00	21.00	1.00
#000000	3.58	21.00	1.00	21.00
##FFFFFF	5.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F541D

Deuteranopia (green-blind)

#7C6E1C

Tritanopia (blue-blind)

#C41B38

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b23d21;
/* rgb */ color: rgb(178, 61, 33);
/* oklch */ color: oklch(52.3% 0.158 34.6);

Tailwind

colors: {
  custom: {
    50: '#d2785f',
    500: '#b23d21',
    950: '#000000',
  },
}

SCSS

$custom: #b23d21;
$custom-light: #d2785f;
$custom-dark: #000000;

JSON

{
  "hex": "#b23d21",
  "rgb": {
    "r": 178,
    "g": 61,
    "b": 33
  },
  "hsl": {
    "h": 11.586,
    "s": 68.72,
    "l": 41.373
  },
  "oklch": {
    "l": 0.52303,
    "c": 0.1576,
    "h": 34.6
  },
  "luminance": 0.12912
}

Semantic roles & 50–950 ramp

primary

#B23D21

secondary

#66B6C9

accent

#CAEC3C

background

#FEF7F5

surface

#FCEEE9

border

#D5C9C5

text

#160904

muted

#847B79

Preview Lab

Preview with #B23D21

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

Preview Lab → · Contrast checker → · Palette generator →