#C7403B#C7403B

#C7403B is a mid, vivid red. Relative luminance 0.161; OKLCH L 56.5% C 0.172 H 26.4°. Best body text is #FFFFFF at 4.97:1 contrast (WCAG AA passes).

Color values

HEX	#C7403B
RGB	rgb(199, 64, 59)
HSL	hsl(2, 56%, 51%)
HSV	hsv(2, 70%, 78%)
CMYK	cmyk(0%, 67.8%, 70.4%, 22%)
CIE-LAB	lab(47.14, 53.15, 33.31)
CIE-LCH	lch(47.14, 62.72, 32.07°)
OKLab	oklab(56.48% 0.1544 0.0765)
OKLCH	oklch(56.48% 0.172 26.4)
XYZ	xyz(26.1788, 16.1285, 5.8715)
Luminance	0.1613 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C7403B #3BC2C7

analogous

#C73B7C #C7403B #C7863B

triadic

#C7403B #3BC740 #403BC7

tetradic

#C7403B #7CC73B #3BC2C7 #863BC7

square

#C7403B #7CC73B #3BC2C7 #863BC7

split-complementary

#C7403B #3BC786 #3B7CC7

monochromatic

#69211E #99302C #C7403B #D56E6B #E29D9A

Accessibility & contrast

On white

4.97

#C7403B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.22

#C7403B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C7403B

4.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C7403B	#FFFFFF	#000000	##FFFFFF
##C7403B	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)

#665D39

Deuteranopia (green-blind)

#877B37

Tritanopia (blue-blind)

#DB1840

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #c7403b;
/* rgb */ color: rgb(199, 64, 59);
/* oklch */ color: oklch(56.5% 0.172 26.4);

Tailwind

colors: {
  custom: {
    50: '#e07d71',
    500: '#c7403b',
    950: '#000000',
  },
}

SCSS

$custom: #c7403b;
$custom-light: #e07d71;
$custom-dark: #000000;

JSON

{
  "hex": "#c7403b",
  "rgb": {
    "r": 199,
    "g": 64,
    "b": 59
  },
  "hsl": {
    "h": 2.143,
    "s": 55.556,
    "l": 50.588
  },
  "oklch": {
    "l": 0.56476,
    "c": 0.17229,
    "h": 26.4
  },
  "luminance": 0.16125
}

Semantic roles & 50–950 ramp

primary

#C7403B

secondary

#90CCCE

accent

#DADF49

background

#FEF7F6

surface

#FDEEEC

border

#D5C9C7

text

#170A07

muted

#857C7A

Preview Lab

Preview with #C7403B

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

Preview Lab → · Contrast checker → · Palette generator →