#C64B3A#C64B3A

#C64B3A is a mid, vivid red. Relative luminance 0.173; OKLCH L 57.6% C 0.161 H 30.5°. Best body text is #FFFFFF at 4.70:1 contrast (WCAG AA passes).

Color values

HEX	#C64B3A
RGB	rgb(198, 75, 58)
HSL	hsl(7, 55%, 50%)
HSV	hsv(7, 71%, 78%)
CMYK	cmyk(0%, 62.1%, 70.7%, 22.4%)
CIE-LAB	lab(48.69, 48.08, 35.64)
CIE-LCH	lch(48.69, 59.85, 36.55°)
OKLab	oklab(57.61% 0.1384 0.0815)
OKLCH	oklch(57.61% 0.161 30.5)
XYZ	xyz(26.5713, 17.3471, 5.9513)
Luminance	0.1734 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C64B3A #3AB5C6

analogous

#C63A6F #C64B3A #C6913A

triadic

#C64B3A #3AC64B #4B3AC6

tetradic

#C64B3A #6FC63A #3AB5C6 #913AC6

square

#C64B3A #6FC63A #3AB5C6 #913AC6

split-complementary

#C64B3A #3AC691 #3A6FC6

monochromatic

#68271E #97392C #C64B3A #D47669 #E1A299

Accessibility & contrast

On white

4.70

#C64B3A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.47

#C64B3A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C64B3A

4.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C64B3A	#FFFFFF	#000000	##FFFFFF
##C64B3A	1.00	4.70	4.47	4.70
#FFFFFF	4.70	1.00	21.00	1.00
#000000	4.47	21.00	1.00	21.00
##FFFFFF	4.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C6338

Deuteranopia (green-blind)

#8B7E36

Tritanopia (blue-blind)

#D92E48

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #c64b3a;
/* rgb */ color: rgb(198, 75, 58);
/* oklch */ color: oklch(57.6% 0.161 30.5);

Tailwind

colors: {
  custom: {
    50: '#df8271',
    500: '#c64b3a',
    950: '#000000',
  },
}

SCSS

$custom: #c64b3a;
$custom-light: #df8271;
$custom-dark: #000000;

JSON

{
  "hex": "#c64b3a",
  "rgb": {
    "r": 198,
    "g": 75,
    "b": 58
  },
  "hsl": {
    "h": 7.286,
    "s": 55.118,
    "l": 50.196
  },
  "oklch": {
    "l": 0.57605,
    "c": 0.16058,
    "h": 30.5
  },
  "luminance": 0.17343
}

Semantic roles & 50–950 ramp

primary

#C64B3A

secondary

#8FC6CD

accent

#CCDE49

background

#FEF8F6

surface

#FDEFEC

border

#D5CAC7

text

#170B07

muted

#857C7A

Preview Lab

Preview with #C64B3A

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

Preview Lab → · Contrast checker → · Palette generator →