#B7383C#B7383C

#B7383C is a mid, vivid red. Relative luminance 0.132; OKLCH L 52.9% C 0.163 H 23.0°. Best body text is #FFFFFF at 5.76:1 contrast (WCAG AA passes).

Color values

HEX	#B7383C
RGB	rgb(183, 56, 60)
HSL	hsl(358, 53%, 47%)
HSV	hsv(358, 69%, 72%)
CMYK	cmyk(0%, 69.4%, 67.2%, 28.2%)
CIE-LAB	lab(43.10, 51.13, 27.16)
CIE-LCH	lch(43.10, 57.90, 27.98°)
OKLab	oklab(52.92% 0.1502 0.0638)
OKLCH	oklch(52.92% 0.163 23)
XYZ	xyz(21.7605, 13.2250, 5.6809)
Luminance	0.1322 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B7383C #38B7B3

analogous

#B7387C #B7383C #B77438

triadic

#B7383C #3CB738 #383CB7

tetradic

#B7383C #7CB738 #38B7B3 #7438B7

square

#B7383C #7CB738 #38B7B3 #7438B7

split-complementary

#B7383C #38B774 #387CB7

monochromatic

#591B1D #882A2D #B7383C #CE5E62 #DC8D90

Accessibility & contrast

On white

5.76

#B7383C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.64

#B7383C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B7383C

5.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B7383C	#FFFFFF	#000000	##FFFFFF
##B7383C	1.00	5.76	3.64	5.76
#FFFFFF	5.76	1.00	21.00	1.00
#000000	3.64	21.00	1.00	21.00
##FFFFFF	5.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B553B

Deuteranopia (green-blind)

#7B7038

Tritanopia (blue-blind)

#C9133B

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b7383c;
/* rgb */ color: rgb(183, 56, 60);
/* oklch */ color: oklch(52.9% 0.163 23.0);

Tailwind

colors: {
  custom: {
    50: '#d47771',
    500: '#b7383c',
    950: '#000000',
  },
}

SCSS

$custom: #b7383c;
$custom-light: #d47771;
$custom-dark: #000000;

JSON

{
  "hex": "#b7383c",
  "rgb": {
    "r": 183,
    "g": 56,
    "b": 60
  },
  "hsl": {
    "h": 358.11,
    "s": 53.138,
    "l": 46.863
  },
  "oklch": {
    "l": 0.52924,
    "c": 0.16315,
    "h": 23
  },
  "luminance": 0.13222
}

Semantic roles & 50–950 ramp

primary

#B7383C

secondary

#84C7C5

accent

#DDD84B

background

#FEF7F6

surface

#FCEEEC

border

#D5C9C7

text

#160907

muted

#847B7A

Preview Lab

Preview with #B7383C

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

Preview Lab → · Contrast checker → · Palette generator →