#C7403A#C7403A

#C7403A is a mid, vivid red. Relative luminance 0.161; OKLCH L 56.5% C 0.172 H 26.7°. Best body text is #FFFFFF at 4.97:1 contrast (WCAG AA passes).

Color values

HEX	#C7403A
RGB	rgb(199, 64, 58)
HSL	hsl(3, 56%, 50%)
HSV	hsv(3, 71%, 78%)
CMYK	cmyk(0%, 67.8%, 70.9%, 22%)
CIE-LAB	lab(47.13, 53.10, 33.87)
CIE-LCH	lch(47.13, 62.98, 32.53°)
OKLab	oklab(56.46% 0.154 0.0776)
OKLCH	oklch(56.46% 0.172 26.7)
XYZ	xyz(26.1531, 16.1182, 5.7362)
Luminance	0.1611 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C7403A #3AC1C7

analogous

#C73A7B #C7403A #C7863A

triadic

#C7403A #3AC740 #403AC7

tetradic

#C7403A #7BC73A #3AC1C7 #863AC7

square

#C7403A #7BC73A #3AC1C7 #863AC7

split-complementary

#C7403A #3AC786 #3A7BC7

monochromatic

#69211E #98302B #C7403A #D56E6A #E29C99

Accessibility & contrast

On white

4.97

#C7403A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.22

#C7403A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C7403A

4.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C7403A	#FFFFFF	#000000	##FFFFFF
##C7403A	1.00	4.97	4.22	4.97
#FFFFFF	4.97	1.00	21.00	1.00
#000000	4.22	21.00	1.00	21.00
##FFFFFF	4.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#665D38

Deuteranopia (green-blind)

#887B36

Tritanopia (blue-blind)

#DB1840

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #c7403a;
/* rgb */ color: rgb(199, 64, 58);
/* oklch */ color: oklch(56.5% 0.172 26.7);

Tailwind

colors: {
  custom: {
    50: '#e07d70',
    500: '#c7403a',
    950: '#000000',
  },
}

SCSS

$custom: #c7403a;
$custom-light: #e07d70;
$custom-dark: #000000;

JSON

{
  "hex": "#c7403a",
  "rgb": {
    "r": 199,
    "g": 64,
    "b": 58
  },
  "hsl": {
    "h": 2.553,
    "s": 55.731,
    "l": 50.392
  },
  "oklch": {
    "l": 0.56462,
    "c": 0.17244,
    "h": 26.7
  },
  "luminance": 0.16114
}

Semantic roles & 50–950 ramp

primary

#C7403A

secondary

#8FCBCE

accent

#D9DF49

background

#FEF7F6

surface

#FDEEEC

border

#D5C9C7

text

#170A07

muted

#857C7A

Preview Lab

Preview with #C7403A

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

Preview Lab → · Contrast checker → · Palette generator →