#B23C27#B23C27

#B23C27 is a mid, vivid red. Relative luminance 0.128; OKLCH L 52.2% C 0.157 H 32.4°. Best body text is #FFFFFF at 5.88:1 contrast (WCAG AA passes).

Color values

HEX	#B23C27
RGB	rgb(178, 60, 39)
HSL	hsl(9, 64%, 43%)
HSV	hsv(9, 78%, 70%)
CMYK	cmyk(0%, 66.3%, 78.1%, 30.2%)
CIE-LAB	lab(42.53, 46.81, 38.39)
CIE-LCH	lch(42.53, 60.53, 39.36°)
OKLab	oklab(52.24% 0.1329 0.0843)
OKLCH	oklch(52.24% 0.157 32.4)
XYZ	xyz(20.3444, 12.8462, 3.3274)
Luminance	0.1284 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B23C27 #279DB2

analogous

#B22757 #B23C27 #B28227

triadic

#B23C27 #27B23C #3C27B2

tetradic

#B23C27 #57B227 #279DB2 #8227B2

square

#B23C27 #57B227 #279DB2 #8227B2

split-complementary

#B23C27 #27B282 #2757B2

monochromatic

#4E1A11 #802B1C #B23C27 #D55741 #E08473

Accessibility & contrast

On white

5.88

#B23C27 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.57

#B23C27 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B23C27

5.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B23C27	#FFFFFF	#000000	##FFFFFF
##B23C27	1.00	5.88	3.57	5.88
#FFFFFF	5.88	1.00	21.00	1.00
#000000	3.57	21.00	1.00	21.00
##FFFFFF	5.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E5424

Deuteranopia (green-blind)

#7B6E22

Tritanopia (blue-blind)

#C41A38

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b23c27;
/* rgb */ color: rgb(178, 60, 39);
/* oklch */ color: oklch(52.2% 0.157 32.4);

Tailwind

colors: {
  custom: {
    50: '#d17863',
    500: '#b23c27',
    950: '#000000',
  },
}

SCSS

$custom: #b23c27;
$custom-light: #d17863;
$custom-dark: #000000;

JSON

{
  "hex": "#b23c27",
  "rgb": {
    "r": 178,
    "g": 60,
    "b": 39
  },
  "hsl": {
    "h": 9.065,
    "s": 64.055,
    "l": 42.549
  },
  "oklch": {
    "l": 0.52242,
    "c": 0.15732,
    "h": 32.4
  },
  "luminance": 0.12843
}

Semantic roles & 50–950 ramp

primary

#B23C27

secondary

#6DBAC8

accent

#CEE741

background

#FEF7F5

surface

#FCEEEA

border

#D5C9C6

text

#160905

muted

#847B79

Preview Lab

Preview with #B23C27

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

Preview Lab → · Contrast checker → · Palette generator →