#B7403C#B7403C

#B7403C is a mid, vivid red. Relative luminance 0.141; OKLCH L 53.8% C 0.155 H 25.7°. Best body text is #FFFFFF at 5.51:1 contrast (WCAG AA passes).

Color values

HEX	#B7403C
RGB	rgb(183, 64, 60)
HSL	hsl(2, 51%, 48%)
HSV	hsv(2, 67%, 72%)
CMYK	cmyk(0%, 65%, 67.2%, 28.2%)
CIE-LAB	lab(44.32, 47.81, 28.66)
CIE-LCH	lch(44.32, 55.75, 30.94°)
OKLab	oklab(53.84% 0.1397 0.0671)
OKLCH	oklch(53.84% 0.155 25.7)
XYZ	xyz(22.1797, 14.0634, 5.8207)
Luminance	0.1406 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B7403C #3CB3B7

analogous

#B73C76 #B7403C #B77D3C

triadic

#B7403C #3CB740 #403CB7

tetradic

#B7403C #76B73C #3CB3B7 #7D3CB7

square

#B7403C #76B73C #3CB3B7 #7D3CB7

split-complementary

#B7403C #3CB77D #3C76B7

monochromatic

#5B201E #89302D #B7403C #CC6764 #DB9492

Accessibility & contrast

On white

5.51

#B7403C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.81

#B7403C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B7403C

5.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B7403C	#FFFFFF	#000000	##FFFFFF
##B7403C	1.00	5.51	3.81	5.51
#FFFFFF	5.51	1.00	21.00	1.00
#000000	3.81	21.00	1.00	21.00
##FFFFFF	5.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#60593B

Deuteranopia (green-blind)

#7E7239

Tritanopia (blue-blind)

#C92440

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #b7403c;
/* rgb */ color: rgb(183, 64, 60);
/* oklch */ color: oklch(53.8% 0.155 25.7);

Tailwind

colors: {
  custom: {
    50: '#d47b72',
    500: '#b7403c',
    950: '#000000',
  },
}

SCSS

$custom: #b7403c;
$custom-light: #d47b72;
$custom-dark: #000000;

JSON

{
  "hex": "#b7403c",
  "rgb": {
    "r": 183,
    "g": 64,
    "b": 60
  },
  "hsl": {
    "h": 1.951,
    "s": 50.617,
    "l": 47.647
  },
  "oklch": {
    "l": 0.5384,
    "c": 0.15496,
    "h": 25.7
  },
  "luminance": 0.1406
}

Semantic roles & 50–950 ramp

primary

#B7403C

secondary

#88C4C6

accent

#D6DA4E

background

#FDF7F6

surface

#FBEEEC

border

#D4C9C7

text

#150A08

muted

#837C7B

Preview Lab

Preview with #B7403C

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

Preview Lab → · Contrast checker → · Palette generator →