#C5403A#C5403A

#C5403A is a mid, vivid red. Relative luminance 0.158; OKLCH L 56.1% C 0.170 H 26.7°. Best body text is #FFFFFF at 5.04:1 contrast (WCAG AA passes).

Color values

HEX	#C5403A
RGB	rgb(197, 64, 58)
HSL	hsl(3, 55%, 50%)
HSV	hsv(3, 71%, 77%)
CMYK	cmyk(0%, 67.5%, 70.6%, 22.7%)
CIE-LAB	lab(46.77, 52.44, 33.36)
CIE-LCH	lch(46.77, 62.15, 32.46°)
OKLab	oklab(56.13% 0.1522 0.0766)
OKLCH	oklch(56.13% 0.17 26.7)
XYZ	xyz(25.6258, 15.8463, 5.7115)
Luminance	0.1584 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C5403A #3ABFC5

analogous

#C53A79 #C5403A #C5863A

triadic

#C5403A #3AC540 #403AC5

tetradic

#C5403A #79C53A #3ABFC5 #863AC5

square

#C5403A #79C53A #3ABFC5 #863AC5

split-complementary

#C5403A #3AC586 #3A79C5

monochromatic

#66211E #96312C #C5403A #D36E69 #E19C99

Accessibility & contrast

On white

5.04

#C5403A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.17

#C5403A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C5403A

5.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C5403A	#FFFFFF	#000000	##FFFFFF
##C5403A	1.00	5.04	4.17	5.04
#FFFFFF	5.04	1.00	21.00	1.00
#000000	4.17	21.00	1.00	21.00
##FFFFFF	5.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#655D38

Deuteranopia (green-blind)

#867936

Tritanopia (blue-blind)

#D81A40

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #c5403a;
/* rgb */ color: rgb(197, 64, 58);
/* oklch */ color: oklch(56.1% 0.170 26.7);

Tailwind

colors: {
  custom: {
    50: '#de7c70',
    500: '#c5403a',
    950: '#000000',
  },
}

SCSS

$custom: #c5403a;
$custom-light: #de7c70;
$custom-dark: #000000;

JSON

{
  "hex": "#c5403a",
  "rgb": {
    "r": 197,
    "g": 64,
    "b": 58
  },
  "hsl": {
    "h": 2.59,
    "s": 54.51,
    "l": 50
  },
  "oklch": {
    "l": 0.56129,
    "c": 0.17034,
    "h": 26.7
  },
  "luminance": 0.15843
}

Semantic roles & 50–950 ramp

primary

#C5403A

secondary

#8ECACD

accent

#D7DE4A

background

#FEF7F6

surface

#FDEEEC

border

#D5C9C7

text

#170A07

muted

#857C7A

Preview Lab

Preview with #C5403A

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

Preview Lab → · Contrast checker → · Palette generator →