#B23F36#B23F36

#B23F36 is a mid, vivid red. Relative luminance 0.133; OKLCH L 52.8% C 0.151 H 27.9°. Best body text is #FFFFFF at 5.74:1 contrast (WCAG AA passes).

Color values

HEX	#B23F36
RGB	rgb(178, 63, 54)
HSL	hsl(4, 53%, 45%)
HSV	hsv(4, 70%, 70%)
CMYK	cmyk(0%, 64.6%, 69.7%, 30.2%)
CIE-LAB	lab(43.20, 46.18, 30.64)
CIE-LCH	lch(43.20, 55.42, 33.56°)
OKLab	oklab(52.8% 0.1339 0.0708)
OKLCH	oklch(52.8% 0.151 27.9)
XYZ	xyz(20.8056, 13.2892, 4.9588)
Luminance	0.1329 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B23F36 #36A9B2

analogous

#B2366B #B23F36 #B27D36

triadic

#B23F36 #36B23F #3F36B2

tetradic

#B23F36 #6BB236 #36A9B2 #7D36B2

square

#B23F36 #6BB236 #36A9B2 #7D36B2

split-complementary

#B23F36 #36B27D #366BB2

monochromatic

#541E1A #832E28 #B23F36 #CD6159 #DB8E88

Accessibility & contrast

On white

5.74

#B23F36 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.66

#B23F36 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B23F36

5.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B23F36	#FFFFFF	#000000	##FFFFFF
##B23F36	1.00	5.74	3.66	5.74
#FFFFFF	5.74	1.00	21.00	1.00
#000000	3.66	21.00	1.00	21.00
##FFFFFF	5.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E5634

Deuteranopia (green-blind)

#7B6F33

Tritanopia (blue-blind)

#C3233E

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b23f36;
/* rgb */ color: rgb(178, 63, 54);
/* oklch */ color: oklch(52.8% 0.151 27.9);

Tailwind

colors: {
  custom: {
    50: '#d07a6d',
    500: '#b23f36',
    950: '#000000',
  },
}

SCSS

$custom: #b23f36;
$custom-light: #d07a6d;
$custom-dark: #000000;

JSON

{
  "hex": "#b23f36",
  "rgb": {
    "r": 178,
    "g": 63,
    "b": 54
  },
  "hsl": {
    "h": 4.355,
    "s": 53.448,
    "l": 45.49
  },
  "oklch": {
    "l": 0.528,
    "c": 0.15147,
    "h": 27.9
  },
  "luminance": 0.13286
}

Semantic roles & 50–950 ramp

primary

#B23F36

secondary

#7FC0C5

accent

#D2DD4B

background

#FDF7F6

surface

#FBEEEB

border

#D4C9C6

text

#150907

muted

#837B7A

Preview Lab

Preview with #B23F36

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

Preview Lab → · Contrast checker → · Palette generator →