#B23130#B23130

#B23130 is a mid, vivid red. Relative luminance 0.119; OKLCH L 51.1% C 0.166 H 25.6°. Best body text is #FFFFFF at 6.22:1 contrast (WCAG AA passes).

Color values

HEX	#B23130
RGB	rgb(178, 49, 48)
HSL	hsl(0, 58%, 44%)
HSV	hsv(0, 73%, 70%)
CMYK	cmyk(0%, 72.5%, 73%, 30.2%)
CIE-LAB	lab(41.02, 51.58, 31.63)
CIE-LCH	lch(41.02, 60.51, 31.52°)
OKLab	oklab(51.15% 0.1497 0.0718)
OKLCH	oklch(51.15% 0.166 25.6)
XYZ	xyz(19.9942, 11.8780, 4.0356)
Luminance	0.1187 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B23130 #30B1B2

analogous

#B23070 #B23130 #B27230

triadic

#B23130 #30B231 #3130B2

tetradic

#B23130 #70B230 #30B1B2 #7230B2

square

#B23130 #70B230 #30B1B2 #7230B2

split-complementary

#B23130 #30B272 #3070B2

monochromatic

#521616 #822423 #B23130 #D05150 #DD8080

Accessibility & contrast

On white

6.22

#B23130 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.38

#B23130 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B23130

6.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B23130	#FFFFFF	#000000	##FFFFFF
##B23130	1.00	6.22	3.38	6.22
#FFFFFF	6.22	1.00	21.00	1.00
#000000	3.38	21.00	1.00	21.00
##FFFFFF	6.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#564F2F

Deuteranopia (green-blind)

#776B2C

Tritanopia (blue-blind)

#C40032

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #b23130;
/* rgb */ color: rgb(178, 49, 48);
/* oklch */ color: oklch(51.1% 0.166 25.6);

Tailwind

colors: {
  custom: {
    50: '#d17268',
    500: '#b23130',
    950: '#000000',
  },
}

SCSS

$custom: #b23130;
$custom-light: #d17268;
$custom-dark: #000000;

JSON

{
  "hex": "#b23130",
  "rgb": {
    "r": 178,
    "g": 49,
    "b": 48
  },
  "hsl": {
    "h": 0.462,
    "s": 57.522,
    "l": 44.314
  },
  "oklch": {
    "l": 0.51145,
    "c": 0.16601,
    "h": 25.6
  },
  "luminance": 0.11875
}

Semantic roles & 50–950 ramp

primary

#B23130

secondary

#78C5C6

accent

#E0E147

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160906

muted

#847B7A

Preview Lab

Preview with #B23130

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

Preview Lab → · Contrast checker → · Palette generator →