#C3403D#C3403D

#C3403D is a mid, vivid red. Relative luminance 0.156; OKLCH L 55.8% C 0.168 H 25.5°. Best body text is #FFFFFF at 5.10:1 contrast (WCAG AA passes).

Color values

HEX	#C3403D
RGB	rgb(195, 64, 61)
HSL	hsl(1, 53%, 50%)
HSV	hsv(1, 69%, 76%)
CMYK	cmyk(0%, 67.2%, 68.7%, 23.5%)
CIE-LAB	lab(46.46, 51.93, 31.15)
CIE-LCH	lch(46.46, 60.56, 30.96°)
OKLab	oklab(55.84% 0.1514 0.0723)
OKLCH	oklch(55.84% 0.168 25.5)
XYZ	xyz(25.1840, 15.6094, 6.1008)
Luminance	0.1561 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C3403D #3DC0C3

analogous

#C33D7D #C3403D #C3833D

triadic

#C3403D #3DC340 #403DC3

tetradic

#C3403D #7DC33D #3DC0C3 #833DC3

square

#C3403D #7DC33D #3DC0C3 #833DC3

split-complementary

#C3403D #3DC383 #3D7DC3

monochromatic

#662120 #95302E #C3403D #D16E6C #E09C9A

Accessibility & contrast

On white

5.10

#C3403D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.12

#C3403D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C3403D

5.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C3403D	#FFFFFF	#000000	##FFFFFF
##C3403D	1.00	5.10	4.12	5.10
#FFFFFF	5.10	1.00	21.00	1.00
#000000	4.12	21.00	1.00	21.00
##FFFFFF	5.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#645C3C

Deuteranopia (green-blind)

#857939

Tritanopia (blue-blind)

#D61C41

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #c3403d;
/* rgb */ color: rgb(195, 64, 61);
/* oklch */ color: oklch(55.8% 0.168 25.5);

Tailwind

colors: {
  custom: {
    50: '#dd7c72',
    500: '#c3403d',
    950: '#000000',
  },
}

SCSS

$custom: #c3403d;
$custom-light: #dd7c72;
$custom-dark: #000000;

JSON

{
  "hex": "#c3403d",
  "rgb": {
    "r": 195,
    "g": 64,
    "b": 61
  },
  "hsl": {
    "h": 1.343,
    "s": 52.756,
    "l": 50.196
  },
  "oklch": {
    "l": 0.5584,
    "c": 0.16779,
    "h": 25.5
  },
  "luminance": 0.15606
}

Semantic roles & 50–950 ramp

primary

#C3403D

secondary

#90CBCC

accent

#D9DC4C

background

#FEF7F6

surface

#FDEEEC

border

#D5C9C7

text

#160A08

muted

#847C7B

Preview Lab

Preview with #C3403D

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

Preview Lab → · Contrast checker → · Palette generator →