#B23027#B23027

#B23027 is a mid, vivid red. Relative luminance 0.117; OKLCH L 50.9% C 0.168 H 28.5°. Best body text is #FFFFFF at 6.28:1 contrast (WCAG AA passes).

Color values

HEX	#B23027
RGB	rgb(178, 48, 39)
HSL	hsl(4, 64%, 43%)
HSV	hsv(4, 78%, 70%)
CMYK	cmyk(0%, 73%, 78.1%, 30.2%)
CIE-LAB	lab(40.78, 51.58, 36.56)
CIE-LCH	lch(40.78, 63.22, 35.33°)
OKLab	oklab(50.93% 0.1478 0.0803)
OKLCH	oklch(50.93% 0.168 28.5)
XYZ	xyz(19.7856, 11.7284, 3.1411)
Luminance	0.1172 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B23027 #27A9B2

analogous

#B22763 #B23027 #B27627

triadic

#B23027 #27B230 #3027B2

tetradic

#B23027 #63B227 #27A9B2 #7627B2

square

#B23027 #63B227 #27A9B2 #7627B2

split-complementary

#B23027 #27B276 #2763B2

monochromatic

#4E1511 #80221C #B23027 #D54A41 #E07A73

Accessibility & contrast

On white

6.28

#B23027 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.35

#B23027 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B23027

6.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B23027	#FFFFFF	#000000	##FFFFFF
##B23027	1.00	6.28	3.35	6.28
#FFFFFF	6.28	1.00	21.00	1.00
#000000	3.35	21.00	1.00	21.00
##FFFFFF	6.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#574E25

Deuteranopia (green-blind)

#776A22

Tritanopia (blue-blind)

#C4002F

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #b23027;
/* rgb */ color: rgb(178, 48, 39);
/* oklch */ color: oklch(50.9% 0.168 28.5);

Tailwind

colors: {
  custom: {
    50: '#d27262',
    500: '#b23027',
    950: '#000000',
  },
}

SCSS

$custom: #b23027;
$custom-light: #d27262;
$custom-dark: #000000;

JSON

{
  "hex": "#b23027",
  "rgb": {
    "r": 178,
    "g": 48,
    "b": 39
  },
  "hsl": {
    "h": 3.885,
    "s": 64.055,
    "l": 42.549
  },
  "oklch": {
    "l": 0.50932,
    "c": 0.16817,
    "h": 28.5
  },
  "luminance": 0.11725
}

Semantic roles & 50–950 ramp

primary

#B23027

secondary

#6DC2C8

accent

#DCE741

background

#FEF7F5

surface

#FCEDEA

border

#D5C8C6

text

#160805

muted

#847B79

Preview Lab

Preview with #B23027

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

Preview Lab → · Contrast checker → · Palette generator →