#B23938#B23938

#B23938 is a mid, vivid red. Relative luminance 0.127; OKLCH L 52.1% C 0.157 H 24.8°. Best body text is #FFFFFF at 5.94:1 contrast (WCAG AA passes).

Color values

HEX	#B23938
RGB	rgb(178, 57, 56)
HSL	hsl(0, 52%, 46%)
HSV	hsv(0, 69%, 70%)
CMYK	cmyk(0%, 68%, 68.5%, 30.2%)
CIE-LAB	lab(42.28, 48.85, 28.35)
CIE-LCH	lch(42.28, 56.48, 30.13°)
OKLab	oklab(52.12% 0.1427 0.0661)
OKLCH	oklch(52.12% 0.157 24.8)
XYZ	xyz(20.5392, 12.6797, 5.1065)
Luminance	0.1268 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B23938 #38B1B2

analogous

#B23874 #B23938 #B27638

triadic

#B23938 #38B239 #3938B2

tetradic

#B23938 #74B238 #38B1B2 #7638B2

square

#B23938 #74B238 #38B1B2 #7638B2

split-complementary

#B23938 #38B276 #3874B2

monochromatic

#551B1B #832A29 #B23938 #CC5D5C #DA8B8A

Accessibility & contrast

On white

5.94

#B23938 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.54

#B23938 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B23938

5.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B23938	#FFFFFF	#000000	##FFFFFF
##B23938	1.00	5.94	3.54	5.94
#FFFFFF	5.94	1.00	21.00	1.00
#000000	3.54	21.00	1.00	21.00
##FFFFFF	5.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A5337

Deuteranopia (green-blind)

#796D34

Tritanopia (blue-blind)

#C3183A

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b23938;
/* rgb */ color: rgb(178, 57, 56);
/* oklch */ color: oklch(52.1% 0.157 24.8);

Tailwind

colors: {
  custom: {
    50: '#d0776e',
    500: '#b23938',
    950: '#000000',
  },
}

SCSS

$custom: #b23938;
$custom-light: #d0776e;
$custom-dark: #000000;

JSON

{
  "hex": "#b23938",
  "rgb": {
    "r": 178,
    "g": 57,
    "b": 56
  },
  "hsl": {
    "h": 0.492,
    "s": 52.137,
    "l": 45.882
  },
  "oklch": {
    "l": 0.5212,
    "c": 0.15728,
    "h": 24.8
  },
  "luminance": 0.12677
}

Semantic roles & 50–950 ramp

primary

#B23938

secondary

#81C4C5

accent

#DADC4C

background

#FDF7F6

surface

#FBEDEC

border

#D4C8C7

text

#150907

muted

#837B7A

Preview Lab

Preview with #B23938

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

Preview Lab → · Contrast checker → · Palette generator →