#B6403D#B6403D

#B6403D is a mid, vivid red. Relative luminance 0.139; OKLCH L 53.7% C 0.154 H 25.2°. Best body text is #FFFFFF at 5.54:1 contrast (WCAG AA passes).

Color values

HEX	#B6403D
RGB	rgb(182, 64, 61)
HSL	hsl(1, 50%, 48%)
HSV	hsv(1, 66%, 71%)
CMYK	cmyk(0%, 64.8%, 66.5%, 28.6%)
CIE-LAB	lab(44.16, 47.53, 27.83)
CIE-LCH	lch(44.16, 55.08, 30.36°)
OKLab	oklab(53.69% 0.1391 0.0654)
OKLCH	oklch(53.69% 0.154 25.2)
XYZ	xyz(21.9693, 13.9518, 5.9501)
Luminance	0.1395 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B6403D #3DB3B6

analogous

#B63D76 #B6403D #B67D3D

triadic

#B6403D #3DB640 #403DB6

tetradic

#B6403D #76B63D #3DB3B6 #7D3DB6

square

#B6403D #76B63D #3DB3B6 #7D3DB6

split-complementary

#B6403D #3DB67D #3D76B6

monochromatic

#5A201E #88302E #B6403D #CB6765 #DB9493

Accessibility & contrast

On white

5.54

#B6403D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.79

#B6403D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B6403D

5.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B6403D	#FFFFFF	#000000	##FFFFFF
##B6403D	1.00	5.54	3.79	5.54
#FFFFFF	5.54	1.00	21.00	1.00
#000000	3.79	21.00	1.00	21.00
##FFFFFF	5.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F583C

Deuteranopia (green-blind)

#7D723A

Tritanopia (blue-blind)

#C82440

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #b6403d;
/* rgb */ color: rgb(182, 64, 61);
/* oklch */ color: oklch(53.7% 0.154 25.2);

Tailwind

colors: {
  custom: {
    50: '#d37b72',
    500: '#b6403d',
    950: '#000000',
  },
}

SCSS

$custom: #b6403d;
$custom-light: #d37b72;
$custom-dark: #000000;

JSON

{
  "hex": "#b6403d",
  "rgb": {
    "r": 182,
    "g": 64,
    "b": 61
  },
  "hsl": {
    "h": 1.488,
    "s": 49.794,
    "l": 47.647
  },
  "oklch": {
    "l": 0.53692,
    "c": 0.15372,
    "h": 25.2
  },
  "luminance": 0.13949
}

Semantic roles & 50–950 ramp

primary

#B6403D

secondary

#89C4C6

accent

#D6D94E

background

#FDF7F6

surface

#FBEEEC

border

#D4C9C7

text

#150A08

muted

#837C7B

Preview Lab

Preview with #B6403D

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

Preview Lab → · Contrast checker → · Palette generator →