#B23F43#B23F43

#B23F43 is a mid, vivid red. Relative luminance 0.134; OKLCH L 53.0% C 0.150 H 21.8°. Best body text is #FFFFFF at 5.70:1 contrast (WCAG AA passes).

Color values

HEX	#B23F43
RGB	rgb(178, 63, 67)
HSL	hsl(358, 48%, 47%)
HSV	hsv(358, 65%, 70%)
CMYK	cmyk(0%, 64.6%, 62.4%, 30.2%)
CIE-LAB	lab(43.40, 46.96, 23.12)
CIE-LCH	lch(43.40, 52.34, 26.21°)
OKLab	oklab(53.02% 0.139 0.0556)
OKLCH	oklch(53.02% 0.15 21.8)
XYZ	xyz(21.1528, 13.4281, 6.7871)
Luminance	0.1343 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B23F43 #3FB2AE

analogous

#B23F7D #B23F43 #B2753F

triadic

#B23F43 #43B23F #3F43B2

tetradic

#B23F43 #7DB23F #3FB2AE #753FB2

square

#B23F43 #7DB23F #3FB2AE #753FB2

split-complementary

#B23F43 #3FB275 #3F7DB2

monochromatic

#581F21 #852F32 #B23F43 #C96669 #D99395

Accessibility & contrast

On white

5.70

#B23F43 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.69

#B23F43 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B23F43

5.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B23F43	#FFFFFF	#000000	##FFFFFF
##B23F43	1.00	5.70	3.69	5.70
#FFFFFF	5.70	1.00	21.00	1.00
#000000	3.69	21.00	1.00	21.00
##FFFFFF	5.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D5742

Deuteranopia (green-blind)

#7A7040

Tritanopia (blue-blind)

#C32641

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #b23f43;
/* rgb */ color: rgb(178, 63, 67);
/* oklch */ color: oklch(53.0% 0.150 21.8);

Tailwind

colors: {
  custom: {
    50: '#cf7a77',
    500: '#b23f43',
    950: '#000000',
  },
}

SCSS

$custom: #b23f43;
$custom-light: #cf7a77;
$custom-dark: #000000;

JSON

{
  "hex": "#b23f43",
  "rgb": {
    "r": 178,
    "g": 63,
    "b": 67
  },
  "hsl": {
    "h": 357.913,
    "s": 47.718,
    "l": 47.255
  },
  "oklch": {
    "l": 0.5302,
    "c": 0.14967,
    "h": 21.8
  },
  "luminance": 0.13425
}

Semantic roles & 50–950 ramp

primary

#B23F43

secondary

#89C4C2

accent

#D7D350

background

#FDF7F7

surface

#FBEEED

border

#D4C9C8

text

#150A08

muted

#837C7B

Preview Lab

Preview with #B23F43

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

Preview Lab → · Contrast checker → · Palette generator →