#B23930#B23930

#B23930 is a mid, vivid red. Relative luminance 0.126; OKLCH L 52.0% C 0.158 H 28.1°. Best body text is #FFFFFF at 5.96:1 contrast (WCAG AA passes).

Color values

HEX	#B23930
RGB	rgb(178, 57, 48)
HSL	hsl(4, 58%, 44%)
HSV	hsv(4, 73%, 70%)
CMYK	cmyk(0%, 68%, 73%, 30.2%)
CIE-LAB	lab(42.17, 48.45, 32.94)
CIE-LCH	lch(42.17, 58.59, 34.21°)
OKLab	oklab(52% 0.1398 0.0747)
OKLCH	oklch(52% 0.158 28.1)
XYZ	xyz(20.3590, 12.6076, 4.1572)
Luminance	0.1260 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B23930 #30A9B2

analogous

#B23068 #B23930 #B27A30

triadic

#B23930 #30B239 #3930B2

tetradic

#B23930 #68B230 #30A9B2 #7A30B2

square

#B23930 #68B230 #30A9B2 #7A30B2

split-complementary

#B23930 #30B27A #3068B2

monochromatic

#521A16 #822A23 #B23930 #D05850 #DD8680

Accessibility & contrast

On white

5.96

#B23930 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.52

#B23930 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B23930

5.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B23930	#FFFFFF	#000000	##FFFFFF
##B23930	1.00	5.96	3.52	5.96
#FFFFFF	5.96	1.00	21.00	1.00
#000000	3.52	21.00	1.00	21.00
##FFFFFF	5.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B532E

Deuteranopia (green-blind)

#796D2C

Tritanopia (blue-blind)

#C41538

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b23930;
/* rgb */ color: rgb(178, 57, 48);
/* oklch */ color: oklch(52.0% 0.158 28.1);

Tailwind

colors: {
  custom: {
    50: '#d17669',
    500: '#b23930',
    950: '#000000',
  },
}

SCSS

$custom: #b23930;
$custom-light: #d17669;
$custom-dark: #000000;

JSON

{
  "hex": "#b23930",
  "rgb": {
    "r": 178,
    "g": 57,
    "b": 48
  },
  "hsl": {
    "h": 4.154,
    "s": 57.522,
    "l": 44.314
  },
  "oklch": {
    "l": 0.52001,
    "c": 0.15849,
    "h": 28.1
  },
  "luminance": 0.12605
}

Semantic roles & 50–950 ramp

primary

#B23930

secondary

#78C0C6

accent

#D6E147

background

#FDF7F6

surface

#FBEDEB

border

#D4C8C6

text

#150906

muted

#837B7A

Preview Lab

Preview with #B23930

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

Preview Lab → · Contrast checker → · Palette generator →