#64151F#64151F

#64151F is a dark, moderate red. Relative luminance 0.033; OKLCH L 33.6% C 0.111 H 18.9°. Best body text is #FFFFFF at 12.58:1 contrast (WCAG AA passes).

Color values

HEX	#64151F
RGB	rgb(100, 21, 31)
HSL	hsl(352, 65%, 24%)
HSV	hsv(352, 79%, 39%)
CMYK	cmyk(0%, 79%, 69%, 60.8%)
CIE-LAB	lab(21.38, 35.42, 15.07)
CIE-LCH	lch(21.38, 38.49, 23.05°)
OKLab	oklab(33.6% 0.1051 0.0359)
OKLCH	oklch(33.6% 0.111 18.9)
XYZ	xyz(5.7716, 3.3454, 1.6379)
Luminance	0.0335 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64151F #15645A

analogous

#641546 #64151F #643215

triadic

#64151F #1F6415 #151F64

tetradic

#64151F #466415 #15645A #321564

square

#64151F #466415 #15645A #321564

split-complementary

#64151F #156432 #154664

monochromatic

#190508 #310A0F #64151F #97202F #C92A3E

Accessibility & contrast

On white

12.58

#64151F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#64151F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #64151F

12.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64151F	#FFFFFF	#000000	##FFFFFF
##64151F	1.00	12.58	1.67	12.58
#FFFFFF	12.58	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B291F

Deuteranopia (green-blind)

#3F391D

Tritanopia (blue-blind)

#6E0019

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #64151f;
/* rgb */ color: rgb(100, 21, 31);
/* oklch */ color: oklch(33.6% 0.111 18.9);

Tailwind

colors: {
  custom: {
    50: '#965a5a',
    500: '#64151f',
    950: '#000000',
  },
}

SCSS

$custom: #64151f;
$custom-light: #965a5a;
$custom-dark: #000000;

JSON

{
  "hex": "#64151f",
  "rgb": {
    "r": 100,
    "g": 21,
    "b": 31
  },
  "hsl": {
    "h": 352.405,
    "s": 65.289,
    "l": 23.725
  },
  "oklch": {
    "l": 0.33602,
    "c": 0.11109,
    "h": 18.9
  },
  "luminance": 0.03345
}

Semantic roles & 50–950 ramp

primary

#64151F

secondary

#3A9B8F

accent

#E8D340

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0E0403

muted

#7E7978

Preview Lab

Preview with #64151F

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

Preview Lab → · Contrast checker → · Palette generator →