#64151D#64151D

#64151D is a dark, moderate red. Relative luminance 0.033; OKLCH L 33.6% C 0.111 H 20.3°. Best body text is #FFFFFF at 12.60:1 contrast (WCAG AA passes).

Color values

HEX	#64151D
RGB	rgb(100, 21, 29)
HSL	hsl(354, 65%, 24%)
HSV	hsv(354, 79%, 39%)
CMYK	cmyk(0%, 79%, 71%, 60.8%)
CIE-LAB	lab(21.34, 35.29, 16.40)
CIE-LCH	lch(21.34, 38.92, 24.92°)
OKLab	oklab(33.56% 0.1043 0.0387)
OKLCH	oklch(33.56% 0.111 20.3)
XYZ	xyz(5.7461, 3.3352, 1.5034)
Luminance	0.0333 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64151D #15645C

analogous

#641544 #64151D #643415

triadic

#64151D #1D6415 #151D64

tetradic

#64151D #446415 #15645C #341564

square

#64151D #446415 #15645C #341564

split-complementary

#64151D #156434 #154464

monochromatic

#190507 #310A0E #64151D #97202C #C92A3A

Accessibility & contrast

On white

12.60

#64151D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#64151D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #64151D

12.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64151D	#FFFFFF	#000000	##FFFFFF
##64151D	1.00	12.60	1.67	12.60
#FFFFFF	12.60	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C291D

Deuteranopia (green-blind)

#3F391B

Tritanopia (blue-blind)

#6E0019

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #64151d;
/* rgb */ color: rgb(100, 21, 29);
/* oklch */ color: oklch(33.6% 0.111 20.3);

Tailwind

colors: {
  custom: {
    50: '#965a58',
    500: '#64151d',
    950: '#000000',
  },
}

SCSS

$custom: #64151d;
$custom-light: #965a58;
$custom-dark: #000000;

JSON

{
  "hex": "#64151d",
  "rgb": {
    "r": 100,
    "g": 21,
    "b": 29
  },
  "hsl": {
    "h": 353.924,
    "s": 65.289,
    "l": 23.725
  },
  "oklch": {
    "l": 0.33561,
    "c": 0.11119,
    "h": 20.3
  },
  "luminance": 0.03334
}

Semantic roles & 50–950 ramp

primary

#64151D

secondary

#3A9B91

accent

#E8D740

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0E0403

muted

#7E7978

Preview Lab

Preview with #64151D

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

Preview Lab → · Contrast checker → · Palette generator →