#B23A29#B23A29

#B23A29 is a mid, vivid red. Relative luminance 0.127; OKLCH L 52.0% C 0.159 H 31.0°. Best body text is #FFFFFF at 5.95:1 contrast (WCAG AA passes).

Color values

HEX	#B23A29
RGB	rgb(178, 58, 41)
HSL	hsl(7, 63%, 43%)
HSV	hsv(7, 77%, 70%)
CMYK	cmyk(0%, 67.4%, 77%, 30.2%)
CIE-LAB	lab(42.24, 47.73, 36.99)
CIE-LCH	lch(42.24, 60.38, 37.77°)
OKLab	oklab(52.03% 0.1361 0.0818)
OKLCH	oklch(52.03% 0.159 31)
XYZ	xyz(20.2757, 12.6542, 3.4723)
Luminance	0.1265 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B23A29 #29A1B2

analogous

#B2295D #B23A29 #B27E29

triadic

#B23A29 #29B23A #3A29B2

tetradic

#B23A29 #5DB229 #29A1B2 #7E29B2

square

#B23A29 #5DB229 #29A1B2 #7E29B2

split-complementary

#B23A29 #29B27E #295DB2

monochromatic

#4F1A12 #802A1E #B23A29 #D45644 #DF8376

Accessibility & contrast

On white

5.95

#B23A29 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.53

#B23A29 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B23A29

5.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B23A29	#FFFFFF	#000000	##FFFFFF
##B23A29	1.00	5.95	3.53	5.95
#FFFFFF	5.95	1.00	21.00	1.00
#000000	3.53	21.00	1.00	21.00
##FFFFFF	5.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C5326

Deuteranopia (green-blind)

#7A6D24

Tritanopia (blue-blind)

#C41537

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b23a29;
/* rgb */ color: rgb(178, 58, 41);
/* oklch */ color: oklch(52.0% 0.159 31.0);

Tailwind

colors: {
  custom: {
    50: '#d17764',
    500: '#b23a29',
    950: '#000000',
  },
}

SCSS

$custom: #b23a29;
$custom-light: #d17764;
$custom-dark: #000000;

JSON

{
  "hex": "#b23a29",
  "rgb": {
    "r": 178,
    "g": 58,
    "b": 41
  },
  "hsl": {
    "h": 7.445,
    "s": 62.557,
    "l": 42.941
  },
  "oklch": {
    "l": 0.52029,
    "c": 0.1588,
    "h": 31
  },
  "luminance": 0.12651
}

Semantic roles & 50–950 ramp

primary

#B23A29

secondary

#70BCC7

accent

#D1E642

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160905

muted

#847B7A

Preview Lab

Preview with #B23A29

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

Preview Lab → · Contrast checker → · Palette generator →