#C64B3F#C64B3F

#C64B3F is a mid, vivid red. Relative luminance 0.174; OKLCH L 57.7% C 0.160 H 28.6°. Best body text is #FFFFFF at 4.69:1 contrast (WCAG AA passes).

Color values

HEX	#C64B3F
RGB	rgb(198, 75, 63)
HSL	hsl(5, 54%, 51%)
HSV	hsv(5, 68%, 78%)
CMYK	cmyk(0%, 62.1%, 68.2%, 22.4%)
CIE-LAB	lab(48.76, 48.34, 32.88)
CIE-LCH	lch(48.76, 58.46, 34.22°)
OKLab	oklab(57.68% 0.1402 0.0763)
OKLCH	oklch(57.68% 0.16 28.6)
XYZ	xyz(26.7047, 17.4005, 6.6541)
Luminance	0.1740 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C64B3F #3FBAC6

analogous

#C63F76 #C64B3F #C68E3F

triadic

#C64B3F #3FC64B #4B3FC6

tetradic

#C64B3F #76C63F #3FBAC6 #8E3FC6

square

#C64B3F #76C63F #3FBAC6 #8E3FC6

split-complementary

#C64B3F #3FC68E #3F76C6

monochromatic

#6B2620 #9A372E #C64B3F #D4776E #E2A39D

Accessibility & contrast

On white

4.69

#C64B3F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.48

#C64B3F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C64B3F

4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C64B3F	#FFFFFF	#000000	##FFFFFF
##C64B3F	1.00	4.69	4.48	4.69
#FFFFFF	4.69	1.00	21.00	1.00
#000000	4.48	21.00	1.00	21.00
##FFFFFF	4.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C633D

Deuteranopia (green-blind)

#8B7E3C

Tritanopia (blue-blind)

#D92F49

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #c64b3f;
/* rgb */ color: rgb(198, 75, 63);
/* oklch */ color: oklch(57.7% 0.160 28.6);

Tailwind

colors: {
  custom: {
    50: '#de8274',
    500: '#c64b3f',
    950: '#000000',
  },
}

SCSS

$custom: #c64b3f;
$custom-light: #de8274;
$custom-dark: #000000;

JSON

{
  "hex": "#c64b3f",
  "rgb": {
    "r": 198,
    "g": 75,
    "b": 63
  },
  "hsl": {
    "h": 5.333,
    "s": 54.217,
    "l": 51.176
  },
  "oklch": {
    "l": 0.57676,
    "c": 0.15958,
    "h": 28.6
  },
  "luminance": 0.17397
}

Semantic roles & 50–950 ramp

primary

#C64B3F

secondary

#93C9CE

accent

#D0DE4A

background

#FEF8F7

surface

#FDEFED

border

#D5CAC8

text

#170B08

muted

#857C7B

Preview Lab

Preview with #C64B3F

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

Preview Lab → · Contrast checker → · Palette generator →