#B23A38#B23A38

#B23A38 is a mid, vivid red. Relative luminance 0.128; OKLCH L 52.2% C 0.156 H 25.2°. Best body text is #FFFFFF at 5.91:1 contrast (WCAG AA passes).

Color values

HEX	#B23A38
RGB	rgb(178, 58, 56)
HSL	hsl(1, 52%, 46%)
HSV	hsv(1, 69%, 70%)
CMYK	cmyk(0%, 67.4%, 68.5%, 30.2%)
CIE-LAB	lab(42.43, 48.44, 28.54)
CIE-LCH	lch(42.43, 56.22, 30.50°)
OKLab	oklab(52.23% 0.1414 0.0665)
OKLCH	oklch(52.23% 0.156 25.2)
XYZ	xyz(20.5891, 12.7796, 5.1232)
Luminance	0.1278 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B23A38 #38B0B2

analogous

#B23873 #B23A38 #B27738

triadic

#B23A38 #38B23A #3A38B2

tetradic

#B23A38 #73B238 #38B0B2 #7738B2

square

#B23A38 #73B238 #38B0B2 #7738B2

split-complementary

#B23A38 #38B277 #3873B2

monochromatic

#551C1B #832B29 #B23A38 #CC5D5C #DA8B8A

Accessibility & contrast

On white

5.91

#B23A38 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.56

#B23A38 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B23A38

5.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B23A38	#FFFFFF	#000000	##FFFFFF
##B23A38	1.00	5.91	3.56	5.91
#FFFFFF	5.91	1.00	21.00	1.00
#000000	3.56	21.00	1.00	21.00
##FFFFFF	5.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B5437

Deuteranopia (green-blind)

#796E34

Tritanopia (blue-blind)

#C31A3B

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b23a38;
/* rgb */ color: rgb(178, 58, 56);
/* oklch */ color: oklch(52.2% 0.156 25.2);

Tailwind

colors: {
  custom: {
    50: '#d0776e',
    500: '#b23a38',
    950: '#000000',
  },
}

SCSS

$custom: #b23a38;
$custom-light: #d0776e;
$custom-dark: #000000;

JSON

{
  "hex": "#b23a38",
  "rgb": {
    "r": 178,
    "g": 58,
    "b": 56
  },
  "hsl": {
    "h": 0.984,
    "s": 52.137,
    "l": 45.882
  },
  "oklch": {
    "l": 0.52234,
    "c": 0.15627,
    "h": 25.2
  },
  "luminance": 0.12777
}

Semantic roles & 50–950 ramp

primary

#B23A38

secondary

#81C3C5

accent

#D9DC4C

background

#FDF7F6

surface

#FBEEEC

border

#D4C9C7

text

#150907

muted

#837B7A

Preview Lab

Preview with #B23A38

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

Preview Lab → · Contrast checker → · Palette generator →