#B23F38#B23F38

#B23F38 is a mid, vivid red. Relative luminance 0.133; OKLCH L 52.8% C 0.151 H 27.0°. Best body text is #FFFFFF at 5.74:1 contrast (WCAG AA passes).

Color values

HEX	#B23F38
RGB	rgb(178, 63, 56)
HSL	hsl(3, 52%, 46%)
HSV	hsv(3, 69%, 70%)
CMYK	cmyk(0%, 64.6%, 68.5%, 30.2%)
CIE-LAB	lab(43.22, 46.29, 29.50)
CIE-LCH	lch(43.22, 54.89, 32.51°)
OKLab	oklab(52.83% 0.1347 0.0686)
OKLCH	oklch(52.83% 0.151 27)
XYZ	xyz(20.8536, 13.3084, 5.2113)
Luminance	0.1331 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B23F38 #38ABB2

analogous

#B2386E #B23F38 #B27C38

triadic

#B23F38 #38B23F #3F38B2

tetradic

#B23F38 #6EB238 #38ABB2 #7C38B2

square

#B23F38 #6EB238 #38ABB2 #7C38B2

split-complementary

#B23F38 #38B27C #386EB2

monochromatic

#551E1B #832F29 #B23F38 #CC625C #DA8F8A

Accessibility & contrast

On white

5.74

#B23F38 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.66

#B23F38 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B23F38

5.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B23F38	#FFFFFF	#000000	##FFFFFF
##B23F38	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)

#5E5636

Deuteranopia (green-blind)

#7B6F35

Tritanopia (blue-blind)

#C3233E

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b23f38;
/* rgb */ color: rgb(178, 63, 56);
/* oklch */ color: oklch(52.8% 0.151 27.0);

Tailwind

colors: {
  custom: {
    50: '#d07a6f',
    500: '#b23f38',
    950: '#000000',
  },
}

SCSS

$custom: #b23f38;
$custom-light: #d07a6f;
$custom-dark: #000000;

JSON

{
  "hex": "#b23f38",
  "rgb": {
    "r": 178,
    "g": 63,
    "b": 56
  },
  "hsl": {
    "h": 3.443,
    "s": 52.137,
    "l": 45.882
  },
  "oklch": {
    "l": 0.5283,
    "c": 0.15113,
    "h": 27
  },
  "luminance": 0.13306
}

Semantic roles & 50–950 ramp

primary

#B23F38

secondary

#81C1C5

accent

#D3DC4C

background

#FDF7F6

surface

#FBEEEC

border

#D4C9C7

text

#150907

muted

#837B7A

Preview Lab

Preview with #B23F38

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

Preview Lab → · Contrast checker → · Palette generator →