#B23B34#B23B34

#B23B34 is a mid, vivid red. Relative luminance 0.128; OKLCH L 52.3% C 0.156 H 27.2°. Best body text is #FFFFFF at 5.89:1 contrast (WCAG AA passes).

Color values

HEX	#B23B34
RGB	rgb(178, 59, 52)
HSL	hsl(3, 55%, 45%)
HSV	hsv(3, 71%, 70%)
CMYK	cmyk(0%, 66.9%, 70.8%, 30.2%)
CIE-LAB	lab(42.53, 47.81, 31.02)
CIE-LCH	lch(42.53, 56.99, 32.98°)
OKLab	oklab(52.29% 0.1386 0.0713)
OKLCH	oklch(52.29% 0.156 27.2)
XYZ	xyz(20.5461, 12.8438, 4.6454)
Luminance	0.1284 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B23B34 #34ABB2

analogous

#B2346C #B23B34 #B27A34

triadic

#B23B34 #34B23B #3B34B2

tetradic

#B23B34 #6CB234 #34ABB2 #7A34B2

square

#B23B34 #6CB234 #34ABB2 #7A34B2

split-complementary

#B23B34 #34B27A #346CB2

monochromatic

#531C18 #832B26 #B23B34 #CE5C56 #DB8A85

Accessibility & contrast

On white

5.89

#B23B34 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.57

#B23B34 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B23B34

5.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B23B34	#FFFFFF	#000000	##FFFFFF
##B23B34	1.00	5.89	3.57	5.89
#FFFFFF	5.89	1.00	21.00	1.00
#000000	3.57	21.00	1.00	21.00
##FFFFFF	5.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C5432

Deuteranopia (green-blind)

#7A6E30

Tritanopia (blue-blind)

#C41B3A

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b23b34;
/* rgb */ color: rgb(178, 59, 52);
/* oklch */ color: oklch(52.3% 0.156 27.2);

Tailwind

colors: {
  custom: {
    50: '#d0776c',
    500: '#b23b34',
    950: '#000000',
  },
}

SCSS

$custom: #b23b34;
$custom-light: #d0776c;
$custom-dark: #000000;

JSON

{
  "hex": "#b23b34",
  "rgb": {
    "r": 178,
    "g": 59,
    "b": 52
  },
  "hsl": {
    "h": 3.333,
    "s": 54.783,
    "l": 45.098
  },
  "oklch": {
    "l": 0.52289,
    "c": 0.15587,
    "h": 27.2
  },
  "luminance": 0.12841
}

Semantic roles & 50–950 ramp

primary

#B23B34

secondary

#7DC1C5

accent

#D6DE4A

background

#FDF7F6

surface

#FBEEEB

border

#D4C9C6

text

#150907

muted

#837B7A

Preview Lab

Preview with #B23B34

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

Preview Lab → · Contrast checker → · Palette generator →