#B23633#B23633

#B23633 is a mid, vivid red. Relative luminance 0.123; OKLCH L 51.7% C 0.161 H 25.9°. Best body text is #FFFFFF at 6.05:1 contrast (WCAG AA passes).

Color values

HEX	#B23633
RGB	rgb(178, 54, 51)
HSL	hsl(1, 55%, 45%)
HSV	hsv(1, 71%, 70%)
CMYK	cmyk(0%, 69.7%, 71.3%, 30.2%)
CIE-LAB	lab(41.76, 49.81, 30.71)
CIE-LCH	lch(41.76, 58.52, 31.66°)
OKLab	oklab(51.71% 0.1447 0.0704)
OKLCH	oklch(51.71% 0.161 25.9)
XYZ	xyz(20.2790, 12.3453, 4.4464)
Luminance	0.1234 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B23633 #33AFB2

analogous

#B23370 #B23633 #B27533

triadic

#B23633 #33B236 #3633B2

tetradic

#B23633 #70B233 #33AFB2 #7533B2

square

#B23633 #70B233 #33AFB2 #7533B2

split-complementary

#B23633 #33B275 #3370B2

monochromatic

#531918 #822825 #B23633 #CE5754 #DC8684

Accessibility & contrast

On white

6.05

#B23633 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.47

#B23633 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B23633

6.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B23633	#FFFFFF	#000000	##FFFFFF
##B23633	1.00	6.05	3.47	6.05
#FFFFFF	6.05	1.00	21.00	1.00
#000000	3.47	21.00	1.00	21.00
##FFFFFF	6.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#595132

Deuteranopia (green-blind)

#786C2F

Tritanopia (blue-blind)

#C40E37

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #b23633;
/* rgb */ color: rgb(178, 54, 51);
/* oklch */ color: oklch(51.7% 0.161 25.9);

Tailwind

colors: {
  custom: {
    50: '#d1756b',
    500: '#b23633',
    950: '#000000',
  },
}

SCSS

$custom: #b23633;
$custom-light: #d1756b;
$custom-dark: #000000;

JSON

{
  "hex": "#b23633",
  "rgb": {
    "r": 178,
    "g": 54,
    "b": 51
  },
  "hsl": {
    "h": 1.417,
    "s": 55.459,
    "l": 44.902
  },
  "oklch": {
    "l": 0.5171,
    "c": 0.16093,
    "h": 25.9
  },
  "luminance": 0.12342
}

Semantic roles & 50–950 ramp

primary

#B23633

secondary

#7CC3C5

accent

#DBDF49

background

#FDF7F6

surface

#FBEDEB

border

#D4C8C6

text

#150906

muted

#837B7A

Preview Lab

Preview with #B23633

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

Preview Lab → · Contrast checker → · Palette generator →