#B23A36#B23A36

#B23A36 is a mid, vivid red. Relative luminance 0.128; OKLCH L 52.2% C 0.157 H 26.0°. Best body text is #FFFFFF at 5.91:1 contrast (WCAG AA passes).

Color values

HEX	#B23A36
RGB	rgb(178, 58, 54)
HSL	hsl(2, 53%, 45%)
HSV	hsv(2, 70%, 70%)
CMYK	cmyk(0%, 67.4%, 69.7%, 30.2%)
CIE-LAB	lab(42.40, 48.33, 29.69)
CIE-LCH	lch(42.40, 56.72, 31.57°)
OKLab	oklab(52.2% 0.1407 0.0687)
OKLCH	oklch(52.2% 0.157 26)
XYZ	xyz(20.5412, 12.7604, 4.8707)
Luminance	0.1276 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B23A36 #36AEB2

analogous

#B23670 #B23A36 #B27836

triadic

#B23A36 #36B23A #3A36B2

tetradic

#B23A36 #70B236 #36AEB2 #7836B2

square

#B23A36 #70B236 #36AEB2 #7836B2

split-complementary

#B23A36 #36B278 #3670B2

monochromatic

#541B1A #832B28 #B23A36 #CD5C59 #DB8A88

Accessibility & contrast

On white

5.91

#B23A36 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.55

#B23A36 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B23A36

5.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B23A36	#FFFFFF	#000000	##FFFFFF
##B23A36	1.00	5.91	3.55	5.91
#FFFFFF	5.91	1.00	21.00	1.00
#000000	3.55	21.00	1.00	21.00
##FFFFFF	5.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B5435

Deuteranopia (green-blind)

#796E32

Tritanopia (blue-blind)

#C4193A

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b23a36;
/* rgb */ color: rgb(178, 58, 54);
/* oklch */ color: oklch(52.2% 0.157 26.0);

Tailwind

colors: {
  custom: {
    50: '#d0776d',
    500: '#b23a36',
    950: '#000000',
  },
}

SCSS

$custom: #b23a36;
$custom-light: #d0776d;
$custom-dark: #000000;

JSON

{
  "hex": "#b23a36",
  "rgb": {
    "r": 178,
    "g": 58,
    "b": 54
  },
  "hsl": {
    "h": 1.935,
    "s": 53.448,
    "l": 45.49
  },
  "oklch": {
    "l": 0.52202,
    "c": 0.15655,
    "h": 26
  },
  "luminance": 0.12757
}

Semantic roles & 50–950 ramp

primary

#B23A36

secondary

#7FC2C5

accent

#D8DD4B

background

#FDF7F6

surface

#FBEDEB

border

#D4C8C6

text

#150907

muted

#837B7A

Preview Lab

Preview with #B23A36

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

Preview Lab → · Contrast checker → · Palette generator →