#B7383E#B7383E

#B7383E is a mid, vivid red. Relative luminance 0.132; OKLCH L 53.0% C 0.163 H 22.1°. Best body text is #FFFFFF at 5.76:1 contrast (WCAG AA passes).

Color values

HEX	#B7383E
RGB	rgb(183, 56, 62)
HSL	hsl(357, 53%, 47%)
HSV	hsv(357, 69%, 72%)
CMYK	cmyk(0%, 69.4%, 66.1%, 28.2%)
CIE-LAB	lab(43.13, 51.25, 25.99)
CIE-LCH	lch(43.13, 57.46, 26.90°)
OKLab	oklab(52.96% 0.1509 0.0614)
OKLCH	oklch(52.96% 0.163 22.1)
XYZ	xyz(21.8144, 13.2466, 5.9647)
Luminance	0.1324 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B7383E #38B7B1

analogous

#B7387E #B7383E #B77138

triadic

#B7383E #3EB738 #383EB7

tetradic

#B7383E #7EB738 #38B7B1 #7138B7

square

#B7383E #7EB738 #38B7B1 #7138B7

split-complementary

#B7383E #38B771 #387EB7

monochromatic

#591B1E #882A2E #B7383E #CE5E64 #DC8D91

Accessibility & contrast

On white

5.76

#B7383E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.65

#B7383E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B7383E

5.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B7383E	#FFFFFF	#000000	##FFFFFF
##B7383E	1.00	5.76	3.65	5.76
#FFFFFF	5.76	1.00	21.00	1.00
#000000	3.65	21.00	1.00	21.00
##FFFFFF	5.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B553D

Deuteranopia (green-blind)

#7B703A

Tritanopia (blue-blind)

#C9143B

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b7383e;
/* rgb */ color: rgb(183, 56, 62);
/* oklch */ color: oklch(53.0% 0.163 22.1);

Tailwind

colors: {
  custom: {
    50: '#d47773',
    500: '#b7383e',
    950: '#000000',
  },
}

SCSS

$custom: #b7383e;
$custom-light: #d47773;
$custom-dark: #000000;

JSON

{
  "hex": "#b7383e",
  "rgb": {
    "r": 183,
    "g": 56,
    "b": 62
  },
  "hsl": {
    "h": 357.165,
    "s": 53.138,
    "l": 46.863
  },
  "oklch": {
    "l": 0.52958,
    "c": 0.16296,
    "h": 22.1
  },
  "luminance": 0.13243
}

Semantic roles & 50–950 ramp

primary

#B7383E

secondary

#84C7C4

accent

#DDD64B

background

#FEF7F6

surface

#FCEEEC

border

#D5C9C7

text

#160908

muted

#847B7B

Preview Lab

Preview with #B7383E

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

Preview Lab → · Contrast checker → · Palette generator →