#B23229#B23229

#B23229 is a mid, vivid red. Relative luminance 0.119; OKLCH L 51.2% C 0.166 H 28.4°. Best body text is #FFFFFF at 6.21:1 contrast (WCAG AA passes).

Color values

HEX	#B23229
RGB	rgb(178, 50, 41)
HSL	hsl(4, 63%, 43%)
HSV	hsv(4, 77%, 70%)
CMYK	cmyk(0%, 71.9%, 77%, 30.2%)
CIE-LAB	lab(41.07, 50.92, 35.74)
CIE-LCH	lch(41.07, 62.21, 35.07°)
OKLab	oklab(51.16% 0.1461 0.0791)
OKLCH	oklch(51.16% 0.166 28.4)
XYZ	xyz(19.9032, 11.9093, 3.3481)
Luminance	0.1191 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B23229 #29A9B2

analogous

#B22964 #B23229 #B27729

triadic

#B23229 #29B232 #3229B2

tetradic

#B23229 #64B229 #29A9B2 #7729B2

square

#B23229 #64B229 #29A9B2 #7729B2

split-complementary

#B23229 #29B277 #2964B2

monochromatic

#4F1612 #80241E #B23229 #D44E44 #DF7D76

Accessibility & contrast

On white

6.21

#B23229 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.38

#B23229 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B23229

6.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B23229	#FFFFFF	#000000	##FFFFFF
##B23229	1.00	6.21	3.38	6.21
#FFFFFF	6.21	1.00	21.00	1.00
#000000	3.38	21.00	1.00	21.00
##FFFFFF	6.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#584F27

Deuteranopia (green-blind)

#776B24

Tritanopia (blue-blind)

#C40031

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #b23229;
/* rgb */ color: rgb(178, 50, 41);
/* oklch */ color: oklch(51.2% 0.166 28.4);

Tailwind

colors: {
  custom: {
    50: '#d27363',
    500: '#b23229',
    950: '#000000',
  },
}

SCSS

$custom: #b23229;
$custom-light: #d27363;
$custom-dark: #000000;

JSON

{
  "hex": "#b23229",
  "rgb": {
    "r": 178,
    "g": 50,
    "b": 41
  },
  "hsl": {
    "h": 3.942,
    "s": 62.557,
    "l": 42.941
  },
  "oklch": {
    "l": 0.51156,
    "c": 0.16612,
    "h": 28.4
  },
  "luminance": 0.11906
}

Semantic roles & 50–950 ramp

primary

#B23229

secondary

#70C1C7

accent

#DBE642

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160905

muted

#847B7A

Preview Lab

Preview with #B23229

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

Preview Lab → · Contrast checker → · Palette generator →