#B23033#B23033

#B23033 is a mid, vivid red. Relative luminance 0.118; OKLCH L 51.1% C 0.167 H 24.2°. Best body text is #FFFFFF at 6.24:1 contrast (WCAG AA passes).

Color values

HEX	#B23033
RGB	rgb(178, 48, 51)
HSL	hsl(359, 58%, 44%)
HSV	hsv(359, 73%, 70%)
CMYK	cmyk(0%, 73%, 71.3%, 30.2%)
CIE-LAB	lab(40.93, 52.09, 29.74)
CIE-LCH	lch(40.93, 59.98, 29.72°)
OKLab	oklab(51.09% 0.1519 0.0683)
OKLCH	oklch(51.09% 0.167 24.2)
XYZ	xyz(20.0168, 11.8209, 4.3590)
Luminance	0.1182 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B23033 #30B2AF

analogous

#B23074 #B23033 #B26E30

triadic

#B23033 #33B230 #3033B2

tetradic

#B23033 #74B230 #30B2AF #6E30B2

square

#B23033 #74B230 #30B2AF #6E30B2

split-complementary

#B23033 #30B26E #3074B2

monochromatic

#521617 #822325 #B23033 #D05052 #DD8082

Accessibility & contrast

On white

6.24

#B23033 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.36

#B23033 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B23033

6.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B23033	#FFFFFF	#000000	##FFFFFF
##B23033	1.00	6.24	3.36	6.24
#FFFFFF	6.24	1.00	21.00	1.00
#000000	3.36	21.00	1.00	21.00
##FFFFFF	6.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#564F32

Deuteranopia (green-blind)

#766B2F

Tritanopia (blue-blind)

#C40033

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #b23033;
/* rgb */ color: rgb(178, 48, 51);
/* oklch */ color: oklch(51.1% 0.167 24.2);

Tailwind

colors: {
  custom: {
    50: '#d1726b',
    500: '#b23033',
    950: '#000000',
  },
}

SCSS

$custom: #b23033;
$custom-light: #d1726b;
$custom-dark: #000000;

JSON

{
  "hex": "#b23033",
  "rgb": {
    "r": 178,
    "g": 48,
    "b": 51
  },
  "hsl": {
    "h": 358.615,
    "s": 57.522,
    "l": 44.314
  },
  "oklch": {
    "l": 0.5109,
    "c": 0.16656,
    "h": 24.2
  },
  "luminance": 0.11818
}

Semantic roles & 50–950 ramp

primary

#B23033

secondary

#78C6C4

accent

#E1DD47

background

#FDF7F6

surface

#FBEDEB

border

#D4C8C6

text

#150806

muted

#837B7A

Preview Lab

Preview with #B23033

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

Preview Lab → · Contrast checker → · Palette generator →