#B6403C#B6403C

#B6403C is a mid, vivid red. Relative luminance 0.139; OKLCH L 53.7% C 0.154 H 25.6°. Best body text is #FFFFFF at 5.54:1 contrast (WCAG AA passes).

Color values

HEX	#B6403C
RGB	rgb(182, 64, 60)
HSL	hsl(2, 50%, 47%)
HSV	hsv(2, 67%, 71%)
CMYK	cmyk(0%, 64.8%, 67%, 28.6%)
CIE-LAB	lab(44.15, 47.47, 28.41)
CIE-LCH	lch(44.15, 55.32, 30.90°)
OKLab	oklab(53.68% 0.1387 0.0666)
OKLCH	oklch(53.68% 0.154 25.6)
XYZ	xyz(21.9426, 13.9412, 5.8096)
Luminance	0.1394 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B6403C #3CB2B6

analogous

#B63C75 #B6403C #B67D3C

triadic

#B6403C #3CB640 #403CB6

tetradic

#B6403C #75B63C #3CB2B6 #7D3CB6

square

#B6403C #75B63C #3CB2B6 #7D3CB6

split-complementary

#B6403C #3CB67D #3C75B6

monochromatic

#5A201E #88302D #B6403C #CC6763 #DB9491

Accessibility & contrast

On white

5.54

#B6403C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.79

#B6403C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B6403C

5.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B6403C	#FFFFFF	#000000	##FFFFFF
##B6403C	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)

#60583B

Deuteranopia (green-blind)

#7D7239

Tritanopia (blue-blind)

#C82440

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #b6403c;
/* rgb */ color: rgb(182, 64, 60);
/* oklch */ color: oklch(53.7% 0.154 25.6);

Tailwind

colors: {
  custom: {
    50: '#d37b72',
    500: '#b6403c',
    950: '#000000',
  },
}

SCSS

$custom: #b6403c;
$custom-light: #d37b72;
$custom-dark: #000000;

JSON

{
  "hex": "#b6403c",
  "rgb": {
    "r": 182,
    "g": 64,
    "b": 60
  },
  "hsl": {
    "h": 1.967,
    "s": 50.413,
    "l": 47.451
  },
  "oklch": {
    "l": 0.53675,
    "c": 0.15386,
    "h": 25.6
  },
  "luminance": 0.13938
}

Semantic roles & 50–950 ramp

primary

#B6403C

secondary

#88C4C6

accent

#D5DA4E

background

#FDF7F6

surface

#FBEEEC

border

#D4C9C7

text

#150A08

muted

#837C7B

Preview Lab

Preview with #B6403C

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

Preview Lab → · Contrast checker → · Palette generator →