#B23B2F#B23B2F

#B23B2F is a mid, vivid red. Relative luminance 0.128; OKLCH L 52.2% C 0.157 H 29.2°. Best body text is #FFFFFF at 5.90:1 contrast (WCAG AA passes).

Color values

HEX	#B23B2F
RGB	rgb(178, 59, 47)
HSL	hsl(5, 58%, 44%)
HSV	hsv(5, 74%, 70%)
CMYK	cmyk(0%, 66.9%, 73.6%, 30.2%)
CIE-LAB	lab(42.46, 47.57, 33.85)
CIE-LCH	lch(42.46, 58.38, 35.44°)
OKLab	oklab(52.22% 0.1368 0.0764)
OKLCH	oklch(52.22% 0.157 29.2)
XYZ	xyz(20.4394, 12.8011, 4.0834)
Luminance	0.1280 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B23B2F #2FA6B2

analogous

#B22F65 #B23B2F #B27D2F

triadic

#B23B2F #2FB23B #3B2FB2

tetradic

#B23B2F #65B22F #2FA6B2 #7D2FB2

square

#B23B2F #65B22F #2FA6B2 #7D2FB2

split-complementary

#B23B2F #2FB27D #2F65B2

monochromatic

#511B15 #822B22 #B23B2F #D05A4E #DD877E

Accessibility & contrast

On white

5.90

#B23B2F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.56

#B23B2F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B23B2F

5.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B23B2F	#FFFFFF	#000000	##FFFFFF
##B23B2F	1.00	5.90	3.56	5.90
#FFFFFF	5.90	1.00	21.00	1.00
#000000	3.56	21.00	1.00	21.00
##FFFFFF	5.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C542D

Deuteranopia (green-blind)

#7A6E2B

Tritanopia (blue-blind)

#C41939

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b23b2f;
/* rgb */ color: rgb(178, 59, 47);
/* oklch */ color: oklch(52.2% 0.157 29.2);

Tailwind

colors: {
  custom: {
    50: '#d17768',
    500: '#b23b2f',
    950: '#000000',
  },
}

SCSS

$custom: #b23b2f;
$custom-light: #d17768;
$custom-dark: #000000;

JSON

{
  "hex": "#b23b2f",
  "rgb": {
    "r": 178,
    "g": 59,
    "b": 47
  },
  "hsl": {
    "h": 5.496,
    "s": 58.222,
    "l": 44.118
  },
  "oklch": {
    "l": 0.52219,
    "c": 0.15673,
    "h": 29.2
  },
  "luminance": 0.12798
}

Semantic roles & 50–950 ramp

primary

#B23B2F

secondary

#77BFC6

accent

#D3E146

background

#FDF7F6

surface

#FBEEEB

border

#D4C9C6

text

#150906

muted

#837B7A

Preview Lab

Preview with #B23B2F

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

Preview Lab → · Contrast checker → · Palette generator →