#B2313F#B2313F

#B2313F is a mid, vivid red. Relative luminance 0.120; OKLCH L 51.4% C 0.165 H 19.3°. Best body text is #FFFFFF at 6.17:1 contrast (WCAG AA passes).

Color values

HEX	#B2313F
RGB	rgb(178, 49, 63)
HSL	hsl(353, 57%, 45%)
HSV	hsv(353, 72%, 70%)
CMYK	cmyk(0%, 72.5%, 64.6%, 30.2%)
CIE-LAB	lab(41.25, 52.38, 22.82)
CIE-LCH	lch(41.25, 57.13, 23.54°)
OKLab	oklab(51.39% 0.1554 0.0545)
OKLCH	oklch(51.39% 0.165 19.3)
XYZ	xyz(20.3577, 12.0235, 5.9505)
Luminance	0.1202 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B2313F #31B2A4

analogous

#B23180 #B2313F #B26331

triadic

#B2313F #3FB231 #313FB2

tetradic

#B2313F #80B231 #31B2A4 #6331B2

square

#B2313F #80B231 #31B2A4 #6331B2

split-complementary

#B2313F #31B263 #3180B2

monochromatic

#52171D #82242E #B2313F #CF515F #DC818B

Accessibility & contrast

On white

6.17

#B2313F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.40

#B2313F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B2313F

6.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B2313F	#FFFFFF	#000000	##FFFFFF
##B2313F	1.00	6.17	3.40	6.17
#FFFFFF	6.17	1.00	21.00	1.00
#000000	3.40	21.00	1.00	21.00
##FFFFFF	6.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#55503F

Deuteranopia (green-blind)

#756B3B

Tritanopia (blue-blind)

#C30337

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #b2313f;
/* rgb */ color: rgb(178, 49, 63);
/* oklch */ color: oklch(51.4% 0.165 19.3);

Tailwind

colors: {
  custom: {
    50: '#d07374',
    500: '#b2313f',
    950: '#000000',
  },
}

SCSS

$custom: #b2313f;
$custom-light: #d07374;
$custom-dark: #000000;

JSON

{
  "hex": "#b2313f",
  "rgb": {
    "r": 178,
    "g": 49,
    "b": 63
  },
  "hsl": {
    "h": 353.488,
    "s": 56.828,
    "l": 44.51
  },
  "oklch": {
    "l": 0.51393,
    "c": 0.16467,
    "h": 19.3
  },
  "luminance": 0.1202
}

Semantic roles & 50–950 ramp

primary

#B2313F

secondary

#79C5BD

accent

#E0D048

background

#FDF7F7

surface

#FBEDED

border

#D4C8C8

text

#150908

muted

#837B7B

Preview Lab

Preview with #B2313F

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

Preview Lab → · Contrast checker → · Palette generator →