#64333F#64333F

#64333F is a dark, moderate red. Relative luminance 0.054; OKLCH L 38.8% C 0.072 H 5.3°. Best body text is #FFFFFF at 10.06:1 contrast (WCAG AA passes).

Color values

HEX	#64333F
RGB	rgb(100, 51, 63)
HSL	hsl(345, 32%, 30%)
HSV	hsv(345, 49%, 39%)
CMYK	cmyk(0%, 49%, 37%, 60.8%)
CIE-LAB	lab(27.94, 23.48, 2.45)
CIE-LCH	lch(27.94, 23.61, 5.95°)
OKLab	oklab(38.8% 0.0713 0.0067)
OKLCH	oklch(38.8% 0.072 5.3)
XYZ	xyz(7.3369, 5.4365, 5.3646)
Luminance	0.0544 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64333F #336458

analogous

#643358 #64333F #644033

triadic

#64333F #3F6433 #333F64

tetradic

#64333F #586433 #336458 #403364

square

#64333F #586433 #336458 #403364

split-complementary

#64333F #336440 #335864

monochromatic

#140A0D #3B1E25 #64333F #8D4859 #AF6275

Accessibility & contrast

On white

10.06

#64333F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#64333F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #64333F

10.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64333F	#FFFFFF	#000000	##FFFFFF
##64333F	1.00	10.06	2.09	10.06
#FFFFFF	10.06	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B3C3F

Deuteranopia (green-blind)

#48453E

Tritanopia (blue-blind)

#6C2F37

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #64333f;
/* rgb */ color: rgb(100, 51, 63);
/* oklch */ color: oklch(38.8% 0.072 5.3);

Tailwind

colors: {
  custom: {
    50: '#926c73',
    500: '#64333f',
    950: '#000000',
  },
}

SCSS

$custom: #64333f;
$custom-light: #926c73;
$custom-dark: #000000;

JSON

{
  "hex": "#64333f",
  "rgb": {
    "r": 100,
    "g": 51,
    "b": 63
  },
  "hsl": {
    "h": 345.306,
    "s": 32.45,
    "l": 29.608
  },
  "oklch": {
    "l": 0.38796,
    "c": 0.07157,
    "h": 5.3
  },
  "luminance": 0.05436
}

Semantic roles & 50–950 ramp

primary

#64333F

secondary

#5E9587

accent

#C9AF5F

background

#F9F6F7

surface

#F1EBED

border

#CBC6C8

text

#0D0708

muted

#7E7A7B

Preview Lab

Preview with #64333F

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

Preview Lab → · Contrast checker → · Palette generator →