#B23B2E#B23B2E

#B23B2E is a mid, vivid red. Relative luminance 0.128; OKLCH L 52.2% C 0.157 H 29.6°. Best body text is #FFFFFF at 5.90:1 contrast (WCAG AA passes).

Color values

HEX	#B23B2E
RGB	rgb(178, 59, 46)
HSL	hsl(6, 59%, 44%)
HSV	hsv(6, 74%, 70%)
CMYK	cmyk(0%, 66.9%, 74.2%, 30.2%)
CIE-LAB	lab(42.45, 47.52, 34.41)
CIE-LCH	lch(42.45, 58.67, 35.91°)
OKLab	oklab(52.21% 0.1365 0.0774)
OKLCH	oklch(52.21% 0.157 29.6)
XYZ	xyz(20.4194, 12.7931, 3.9783)
Luminance	0.1279 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B23B2E #2EA5B2

analogous

#B22E63 #B23B2E #B27D2E

triadic

#B23B2E #2EB23B #3B2EB2

tetradic

#B23B2E #63B22E #2EA5B2 #7D2EB2

square

#B23B2E #63B22E #2EA5B2 #7D2EB2

split-complementary

#B23B2E #2EB27D #2E63B2

monochromatic

#511B15 #812B21 #B23B2E #D1594C #DD867D

Accessibility & contrast

On white

5.90

#B23B2E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.56

#B23B2E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B23B2E

5.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B23B2E	#FFFFFF	#000000	##FFFFFF
##B23B2E	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)

#5C542C

Deuteranopia (green-blind)

#7A6E2A

Tritanopia (blue-blind)

#C41939

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b23b2e;
/* rgb */ color: rgb(178, 59, 46);
/* oklch */ color: oklch(52.2% 0.157 29.6);

Tailwind

colors: {
  custom: {
    50: '#d17767',
    500: '#b23b2e',
    950: '#000000',
  },
}

SCSS

$custom: #b23b2e;
$custom-light: #d17767;
$custom-dark: #000000;

JSON

{
  "hex": "#b23b2e",
  "rgb": {
    "r": 178,
    "g": 59,
    "b": 46
  },
  "hsl": {
    "h": 5.909,
    "s": 58.929,
    "l": 43.922
  },
  "oklch": {
    "l": 0.52206,
    "c": 0.15691,
    "h": 29.6
  },
  "luminance": 0.1279
}

Semantic roles & 50–950 ramp

primary

#B23B2E

secondary

#76BEC6

accent

#D3E246

background

#FDF7F6

surface

#FBEEEB

border

#D4C9C6

text

#150906

muted

#837B7A

Preview Lab

Preview with #B23B2E

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

Preview Lab → · Contrast checker → · Palette generator →