#B23135#B23135

#B23135 is a mid, vivid red. Relative luminance 0.119; OKLCH L 51.2% C 0.165 H 23.7°. Best body text is #FFFFFF at 6.21:1 contrast (WCAG AA passes).

Color values

HEX	#B23135
RGB	rgb(178, 49, 53)
HSL	hsl(358, 57%, 45%)
HSV	hsv(358, 72%, 70%)
CMYK	cmyk(0%, 72.5%, 70.2%, 30.2%)
CIE-LAB	lab(41.09, 51.82, 28.73)
CIE-LCH	lch(41.09, 59.25, 29.00°)
OKLab	oklab(51.22% 0.1515 0.0664)
OKLCH	oklch(51.22% 0.165 23.7)
XYZ	xyz(20.1032, 11.9217, 4.6100)
Luminance	0.1192 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B23135 #31B2AE

analogous

#B23175 #B23135 #B26E31

triadic

#B23135 #35B231 #3135B2

tetradic

#B23135 #75B231 #31B2AE #6E31B2

square

#B23135 #75B231 #31B2AE #6E31B2

split-complementary

#B23135 #31B26E #3175B2

monochromatic

#521718 #822427 #B23135 #CF5155 #DC8184

Accessibility & contrast

On white

6.21

#B23135 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.38

#B23135 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B23135

6.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B23135	#FFFFFF	#000000	##FFFFFF
##B23135	1.00	6.21	3.38	6.21
#FFFFFF	6.21	1.00	21.00	1.00
#000000	3.38	21.00	1.00	21.00
##FFFFFF	6.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#564F34

Deuteranopia (green-blind)

#766B31

Tritanopia (blue-blind)

#C40034

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #b23135;
/* rgb */ color: rgb(178, 49, 53);
/* oklch */ color: oklch(51.2% 0.165 23.7);

Tailwind

colors: {
  custom: {
    50: '#d1736c',
    500: '#b23135',
    950: '#000000',
  },
}

SCSS

$custom: #b23135;
$custom-light: #d1736c;
$custom-dark: #000000;

JSON

{
  "hex": "#b23135",
  "rgb": {
    "r": 178,
    "g": 49,
    "b": 53
  },
  "hsl": {
    "h": 358.14,
    "s": 56.828,
    "l": 44.51
  },
  "oklch": {
    "l": 0.5122,
    "c": 0.16543,
    "h": 23.7
  },
  "luminance": 0.11919
}

Semantic roles & 50–950 ramp

primary

#B23135

secondary

#79C5C3

accent

#E0DB48

background

#FDF7F6

surface

#FBEDEB

border

#D4C8C6

text

#150907

muted

#837B7A

Preview Lab

Preview with #B23135

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

Preview Lab → · Contrast checker → · Palette generator →