#B23F29#B23F29

#B23F29 is a mid, vivid red. Relative luminance 0.132; OKLCH L 52.6% C 0.154 H 32.9°. Best body text is #FFFFFF at 5.78:1 contrast (WCAG AA passes).

Color values

HEX	#B23F29
RGB	rgb(178, 63, 41)
HSL	hsl(10, 63%, 43%)
HSV	hsv(10, 77%, 70%)
CMYK	cmyk(0%, 64.6%, 77%, 30.2%)
CIE-LAB	lab(43.04, 45.58, 37.83)
CIE-LCH	lch(43.04, 59.23, 39.70°)
OKLab	oklab(52.63% 0.1294 0.0836)
OKLCH	oklch(52.63% 0.154 32.9)
XYZ	xyz(20.5401, 13.1830, 3.5604)
Luminance	0.1318 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B23F29 #299CB2

analogous

#B22957 #B23F29 #B28329

triadic

#B23F29 #29B23F #3F29B2

tetradic

#B23F29 #57B229 #299CB2 #8329B2

square

#B23F29 #57B229 #299CB2 #8329B2

split-complementary

#B23F29 #29B283 #2957B2

monochromatic

#4F1C12 #802D1E #B23F29 #D45B44 #DF8776

Accessibility & contrast

On white

5.78

#B23F29 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.64

#B23F29 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B23F29

5.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B23F29	#FFFFFF	#000000	##FFFFFF
##B23F29	1.00	5.78	3.64	5.78
#FFFFFF	5.78	1.00	21.00	1.00
#000000	3.64	21.00	1.00	21.00
##FFFFFF	5.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F5626

Deuteranopia (green-blind)

#7C6F25

Tritanopia (blue-blind)

#C4203B

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b23f29;
/* rgb */ color: rgb(178, 63, 41);
/* oklch */ color: oklch(52.6% 0.154 32.9);

Tailwind

colors: {
  custom: {
    50: '#d17964',
    500: '#b23f29',
    950: '#000000',
  },
}

SCSS

$custom: #b23f29;
$custom-light: #d17964;
$custom-dark: #000000;

JSON

{
  "hex": "#b23f29",
  "rgb": {
    "r": 178,
    "g": 63,
    "b": 41
  },
  "hsl": {
    "h": 9.635,
    "s": 62.557,
    "l": 42.941
  },
  "oklch": {
    "l": 0.5263,
    "c": 0.15408,
    "h": 32.9
  },
  "luminance": 0.1318
}

Semantic roles & 50–950 ramp

primary

#B23F29

secondary

#70B9C7

accent

#CBE642

background

#FDF7F6

surface

#FBEEEB

border

#D4C9C6

text

#150905

muted

#837B7A

Preview Lab

Preview with #B23F29

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

Preview Lab → · Contrast checker → · Palette generator →