#B23A27#B23A27

#B23A27 is a mid, vivid red. Relative luminance 0.126; OKLCH L 52.0% C 0.159 H 31.7°. Best body text is #FFFFFF at 5.95:1 contrast (WCAG AA passes).

Color values

HEX	#B23A27
RGB	rgb(178, 58, 39)
HSL	hsl(8, 64%, 43%)
HSV	hsv(8, 78%, 70%)
CMYK	cmyk(0%, 67.4%, 78.1%, 30.2%)
CIE-LAB	lab(42.22, 47.65, 38.06)
CIE-LCH	lch(42.22, 60.99, 38.61°)
OKLab	oklab(52.01% 0.1355 0.0836)
OKLCH	oklch(52.01% 0.159 31.7)
XYZ	xyz(20.2416, 12.6406, 3.2931)
Luminance	0.1264 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B23A27 #279FB2

analogous

#B2275A #B23A27 #B27F27

triadic

#B23A27 #27B23A #3A27B2

tetradic

#B23A27 #5AB227 #279FB2 #7F27B2

square

#B23A27 #5AB227 #279FB2 #7F27B2

split-complementary

#B23A27 #27B27F #275AB2

monochromatic

#4E1911 #802A1C #B23A27 #D55541 #E08273

Accessibility & contrast

On white

5.95

#B23A27 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.53

#B23A27 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B23A27

5.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B23A27	#FFFFFF	#000000	##FFFFFF
##B23A27	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)

#5C5324

Deuteranopia (green-blind)

#7A6D22

Tritanopia (blue-blind)

#C41536

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b23a27;
/* rgb */ color: rgb(178, 58, 39);
/* oklch */ color: oklch(52.0% 0.159 31.7);

Tailwind

colors: {
  custom: {
    50: '#d17762',
    500: '#b23a27',
    950: '#000000',
  },
}

SCSS

$custom: #b23a27;
$custom-light: #d17762;
$custom-dark: #000000;

JSON

{
  "hex": "#b23a27",
  "rgb": {
    "r": 178,
    "g": 58,
    "b": 39
  },
  "hsl": {
    "h": 8.201,
    "s": 64.055,
    "l": 42.549
  },
  "oklch": {
    "l": 0.52006,
    "c": 0.15918,
    "h": 31.7
  },
  "luminance": 0.12638
}

Semantic roles & 50–950 ramp

primary

#B23A27

secondary

#6DBBC8

accent

#D0E741

background

#FEF7F5

surface

#FCEDEA

border

#D5C8C6

text

#160905

muted

#847B79

Preview Lab

Preview with #B23A27

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

Preview Lab → · Contrast checker → · Palette generator →