#B23F34#B23F34

#B23F34 is a mid, vivid red. Relative luminance 0.133; OKLCH L 52.8% C 0.152 H 28.7°. Best body text is #FFFFFF at 5.75:1 contrast (WCAG AA passes).

Color values

HEX	#B23F34
RGB	rgb(178, 63, 52)
HSL	hsl(5, 55%, 45%)
HSV	hsv(5, 71%, 70%)
CMYK	cmyk(0%, 64.6%, 70.8%, 30.2%)
CIE-LAB	lab(43.17, 46.08, 31.77)
CIE-LCH	lch(43.17, 55.97, 34.59°)
OKLab	oklab(52.77% 0.1332 0.0729)
OKLCH	oklch(52.77% 0.152 28.7)
XYZ	xyz(20.7596, 13.2708, 4.7165)
Luminance	0.1327 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B23F34 #34A7B2

analogous

#B23468 #B23F34 #B27E34

triadic

#B23F34 #34B23F #3F34B2

tetradic

#B23F34 #68B234 #34A7B2 #7E34B2

square

#B23F34 #68B234 #34A7B2 #7E34B2

split-complementary

#B23F34 #34B27E #3468B2

monochromatic

#531D18 #832E26 #B23F34 #CE6056 #DB8D85

Accessibility & contrast

On white

5.75

#B23F34 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.65

#B23F34 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B23F34

5.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B23F34	#FFFFFF	#000000	##FFFFFF
##B23F34	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)

#5E5632

Deuteranopia (green-blind)

#7B6F31

Tritanopia (blue-blind)

#C4233D

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b23f34;
/* rgb */ color: rgb(178, 63, 52);
/* oklch */ color: oklch(52.8% 0.152 28.7);

Tailwind

colors: {
  custom: {
    50: '#d07a6c',
    500: '#b23f34',
    950: '#000000',
  },
}

SCSS

$custom: #b23f34;
$custom-light: #d07a6c;
$custom-dark: #000000;

JSON

{
  "hex": "#b23f34",
  "rgb": {
    "r": 178,
    "g": 63,
    "b": 52
  },
  "hsl": {
    "h": 5.238,
    "s": 54.783,
    "l": 45.098
  },
  "oklch": {
    "l": 0.5277,
    "c": 0.15184,
    "h": 28.7
  },
  "luminance": 0.13268
}

Semantic roles & 50–950 ramp

primary

#B23F34

secondary

#7DBFC5

accent

#D1DE4A

background

#FDF7F6

surface

#FBEEEB

border

#D4C9C6

text

#150907

muted

#837B7A

Preview Lab

Preview with #B23F34

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

Preview Lab → · Contrast checker → · Palette generator →