#B23E31#B23E31

#B23E31 is a mid, vivid red. Relative luminance 0.131; OKLCH L 52.6% C 0.153 H 29.5°. Best body text is #FFFFFF at 5.79:1 contrast (WCAG AA passes).

Color values

HEX	#B23E31
RGB	rgb(178, 62, 49)
HSL	hsl(6, 57%, 45%)
HSV	hsv(6, 72%, 70%)
CMYK	cmyk(0%, 65.2%, 72.5%, 30.2%)
CIE-LAB	lab(42.97, 46.37, 33.28)
CIE-LCH	lch(42.97, 57.07, 35.66°)
OKLab	oklab(52.61% 0.1335 0.0756)
OKLCH	oklch(52.61% 0.153 29.5)
XYZ	xyz(20.6393, 13.1349, 4.3536)
Luminance	0.1313 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B23E31 #31A5B2

analogous

#B23164 #B23E31 #B27F31

triadic

#B23E31 #31B23E #3E31B2

tetradic

#B23E31 #64B231 #31A5B2 #7F31B2

square

#B23E31 #64B231 #31A5B2 #7F31B2

split-complementary

#B23E31 #31B27F #3164B2

monochromatic

#521D17 #822D24 #B23E31 #CF5E51 #DC8A81

Accessibility & contrast

On white

5.79

#B23E31 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.63

#B23E31 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B23E31

5.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B23E31	#FFFFFF	#000000	##FFFFFF
##B23E31	1.00	5.79	3.63	5.79
#FFFFFF	5.79	1.00	21.00	1.00
#000000	3.63	21.00	1.00	21.00
##FFFFFF	5.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E552F

Deuteranopia (green-blind)

#7B6F2D

Tritanopia (blue-blind)

#C4203C

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b23e31;
/* rgb */ color: rgb(178, 62, 49);
/* oklch */ color: oklch(52.6% 0.153 29.5);

Tailwind

colors: {
  custom: {
    50: '#d1796a',
    500: '#b23e31',
    950: '#000000',
  },
}

SCSS

$custom: #b23e31;
$custom-light: #d1796a;
$custom-dark: #000000;

JSON

{
  "hex": "#b23e31",
  "rgb": {
    "r": 178,
    "g": 62,
    "b": 49
  },
  "hsl": {
    "h": 6.047,
    "s": 56.828,
    "l": 44.51
  },
  "oklch": {
    "l": 0.52605,
    "c": 0.15341,
    "h": 29.5
  },
  "luminance": 0.13132
}

Semantic roles & 50–950 ramp

primary

#B23E31

secondary

#79BEC5

accent

#D1E048

background

#FDF7F6

surface

#FBEEEB

border

#D4C9C6

text

#150906

muted

#837B7A

Preview Lab

Preview with #B23E31

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

Preview Lab → · Contrast checker → · Palette generator →