#C6403D#C6403D

#C6403D is a mid, vivid red. Relative luminance 0.160; OKLCH L 56.3% C 0.171 H 25.6°. Best body text is #FFFFFF at 5.00:1 contrast (WCAG AA passes).

Color values

HEX	#C6403D
RGB	rgb(198, 64, 61)
HSL	hsl(1, 55%, 51%)
HSV	hsv(1, 69%, 78%)
CMYK	cmyk(0%, 67.7%, 69.2%, 22.4%)
CIE-LAB	lab(46.99, 52.92, 31.92)
CIE-LCH	lch(46.99, 61.80, 31.10°)
OKLab	oklab(56.34% 0.1542 0.0739)
OKLCH	oklch(56.34% 0.171 25.6)
XYZ	xyz(25.9672, 16.0132, 6.1375)
Luminance	0.1601 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C6403D #3DC3C6

analogous

#C63D7E #C6403D #C6843D

triadic

#C6403D #3DC640 #403DC6

tetradic

#C6403D #7EC63D #3DC3C6 #843DC6

square

#C6403D #7EC63D #3DC3C6 #843DC6

split-complementary

#C6403D #3DC684 #3D7EC6

monochromatic

#6A211F #992F2D #C6403D #D46F6C #E29D9C

Accessibility & contrast

On white

5.00

#C6403D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.20

#C6403D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C6403D

5.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C6403D	#FFFFFF	#000000	##FFFFFF
##C6403D	1.00	5.00	4.20	5.00
#FFFFFF	5.00	1.00	21.00	1.00
#000000	4.20	21.00	1.00	21.00
##FFFFFF	5.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#655D3B

Deuteranopia (green-blind)

#877A39

Tritanopia (blue-blind)

#D91A41

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #c6403d;
/* rgb */ color: rgb(198, 64, 61);
/* oklch */ color: oklch(56.3% 0.171 25.6);

Tailwind

colors: {
  custom: {
    50: '#df7c73',
    500: '#c6403d',
    950: '#000000',
  },
}

SCSS

$custom: #c6403d;
$custom-light: #df7c73;
$custom-dark: #000000;

JSON

{
  "hex": "#c6403d",
  "rgb": {
    "r": 198,
    "g": 64,
    "b": 61
  },
  "hsl": {
    "h": 1.314,
    "s": 54.582,
    "l": 50.784
  },
  "oklch": {
    "l": 0.56339,
    "c": 0.17096,
    "h": 25.6
  },
  "luminance": 0.16009
}

Semantic roles & 50–950 ramp

primary

#C6403D

secondary

#91CCCE

accent

#DBDE4A

background

#FEF7F6

surface

#FDEEEC

border

#D5C9C7

text

#170A08

muted

#857C7B

Preview Lab

Preview with #C6403D

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

Preview Lab → · Contrast checker → · Palette generator →