#B23E3E#B23E3E

#B23E3E is a mid, vivid red. Relative luminance 0.133; OKLCH L 52.8% C 0.151 H 23.9°. Best body text is #FFFFFF at 5.75:1 contrast (WCAG AA passes).

Color values

HEX	#B23E3E
RGB	rgb(178, 62, 62)
HSL	hsl(0, 48%, 47%)
HSV	hsv(0, 65%, 70%)
CMYK	cmyk(0%, 65.2%, 65.2%, 30.2%)
CIE-LAB	lab(43.15, 47.08, 25.83)
CIE-LCH	lch(43.15, 53.70, 28.75°)
OKLab	oklab(52.81% 0.1384 0.0612)
OKLCH	oklch(52.81% 0.151 23.9)
XYZ	xyz(20.9543, 13.2609, 6.0127)
Luminance	0.1326 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B23E3E #3EB2B2

analogous

#B23E78 #B23E3E #B2783E

triadic

#B23E3E #3EB23E #3E3EB2

tetradic

#B23E3E #78B23E #3EB2B2 #783EB2

square

#B23E3E #78B23E #3EB2B2 #783EB2

split-complementary

#B23E3E #3EB278 #3E78B2

monochromatic

#571E1E #852E2E #B23E3E #C96464 #D99292

Accessibility & contrast

On white

5.75

#B23E3E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.65

#B23E3E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B23E3E

5.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B23E3E	#FFFFFF	#000000	##FFFFFF
##B23E3E	1.00	5.75	3.65	5.75
#FFFFFF	5.75	1.00	21.00	1.00
#000000	3.65	21.00	1.00	21.00
##FFFFFF	5.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D563D

Deuteranopia (green-blind)

#7A6F3B

Tritanopia (blue-blind)

#C3233F

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b23e3e;
/* rgb */ color: rgb(178, 62, 62);
/* oklch */ color: oklch(52.8% 0.151 23.9);

Tailwind

colors: {
  custom: {
    50: '#d07973',
    500: '#b23e3e',
    950: '#000000',
  },
}

SCSS

$custom: #b23e3e;
$custom-light: #d07973;
$custom-dark: #000000;

JSON

{
  "hex": "#b23e3e",
  "rgb": {
    "r": 178,
    "g": 62,
    "b": 62
  },
  "hsl": {
    "h": 0,
    "s": 48.333,
    "l": 47.059
  },
  "oklch": {
    "l": 0.52807,
    "c": 0.1513,
    "h": 23.9
  },
  "luminance": 0.13258
}

Semantic roles & 50–950 ramp

primary

#B23E3E

secondary

#88C4C4

accent

#D8D850

background

#FDF7F7

surface

#FBEEED

border

#D4C9C8

text

#150908

muted

#837B7B

Preview Lab

Preview with #B23E3E

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

Preview Lab → · Contrast checker → · Palette generator →