#B23B2D#B23B2D

#B23B2D is a mid, vivid red. Relative luminance 0.128; OKLCH L 52.2% C 0.157 H 29.9°. Best body text is #FFFFFF at 5.90:1 contrast (WCAG AA passes).

Color values

HEX	#B23B2D
RGB	rgb(178, 59, 45)
HSL	hsl(6, 60%, 44%)
HSV	hsv(6, 75%, 70%)
CMYK	cmyk(0%, 66.9%, 74.7%, 30.2%)
CIE-LAB	lab(42.44, 47.48, 34.97)
CIE-LCH	lch(42.44, 58.96, 36.37°)
OKLab	oklab(52.19% 0.1361 0.0784)
OKLCH	oklch(52.19% 0.157 29.9)
XYZ	xyz(20.4000, 12.7853, 3.8757)
Luminance	0.1278 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B23B2D #2DA4B2

analogous

#B22D61 #B23B2D #B27D2D

triadic

#B23B2D #2DB23B #3B2DB2

tetradic

#B23B2D #61B22D #2DA4B2 #7D2DB2

square

#B23B2D #61B22D #2DA4B2 #7D2DB2

split-complementary

#B23B2D #2DB27D #2D61B2

monochromatic

#501B14 #812B21 #B23B2D #D1594B #DE867C

Accessibility & contrast

On white

5.90

#B23B2D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.56

#B23B2D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B23B2D

5.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B23B2D	#FFFFFF	#000000	##FFFFFF
##B23B2D	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)

#5D542B

Deuteranopia (green-blind)

#7A6E29

Tritanopia (blue-blind)

#C41939

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b23b2d;
/* rgb */ color: rgb(178, 59, 45);
/* oklch */ color: oklch(52.2% 0.157 29.9);

Tailwind

colors: {
  custom: {
    50: '#d17767',
    500: '#b23b2d',
    950: '#000000',
  },
}

SCSS

$custom: #b23b2d;
$custom-light: #d17767;
$custom-dark: #000000;

JSON

{
  "hex": "#b23b2d",
  "rgb": {
    "r": 178,
    "g": 59,
    "b": 45
  },
  "hsl": {
    "h": 6.316,
    "s": 59.641,
    "l": 43.725
  },
  "oklch": {
    "l": 0.52194,
    "c": 0.1571,
    "h": 29.9
  },
  "luminance": 0.12782
}

Semantic roles & 50–950 ramp

primary

#B23B2D

secondary

#75BEC6

accent

#D2E345

background

#FDF7F6

surface

#FBEEEB

border

#D4C9C6

text

#150906

muted

#837B7A

Preview Lab

Preview with #B23B2D

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

Preview Lab → · Contrast checker → · Palette generator →