#641816#641816

#641816 is a dark, moderate red. Relative luminance 0.034; OKLCH L 33.8% C 0.109 H 26.4°. Best body text is #FFFFFF at 12.47:1 contrast (WCAG AA passes).

Color values

HEX	#641816
RGB	rgb(100, 24, 22)
HSL	hsl(2, 64%, 24%)
HSV	hsv(2, 78%, 39%)
CMYK	cmyk(0%, 76%, 78%, 60.8%)
CIE-LAB	lab(21.66, 33.71, 21.46)
CIE-LCH	lch(21.66, 39.96, 32.49°)
OKLab	oklab(33.76% 0.0975 0.0485)
OKLCH	oklch(33.76% 0.109 26.4)
XYZ	xyz(5.7276, 3.4214, 1.1177)
Luminance	0.0342 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641816 #166264

analogous

#64163B #641816 #643F16

triadic

#641816 #166418 #181664

tetradic

#641816 #3B6416 #166264 #3F1664

square

#641816 #3B6416 #166264 #3F1664

split-complementary

#641816 #16643F #163B64

monochromatic

#190606 #320C0B #641816 #962421 #C8302C

Accessibility & contrast

On white

12.47

#641816 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#641816 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641816

12.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641816	#FFFFFF	#000000	##FFFFFF
##641816	1.00	12.47	1.68	12.47
#FFFFFF	12.47	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E2915

Deuteranopia (green-blind)

#413A13

Tritanopia (blue-blind)

#6F0018

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #641816;
/* rgb */ color: rgb(100, 24, 22);
/* oklch */ color: oklch(33.8% 0.109 26.4);

Tailwind

colors: {
  custom: {
    50: '#975b53',
    500: '#641816',
    950: '#000000',
  },
}

SCSS

$custom: #641816;
$custom-light: #975b53;
$custom-dark: #000000;

JSON

{
  "hex": "#641816",
  "rgb": {
    "r": 100,
    "g": 24,
    "b": 22
  },
  "hsl": {
    "h": 1.538,
    "s": 63.934,
    "l": 23.922
  },
  "oklch": {
    "l": 0.33762,
    "c": 0.10892,
    "h": 26.4
  },
  "luminance": 0.03421
}

Semantic roles & 50–950 ramp

primary

#641816

secondary

#3B989B

accent

#E3E741

background

#F9F5F4

surface

#F2E9E7

border

#CCC5C3

text

#0F0402

muted

#7E7978

Preview Lab

Preview with #641816

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

Preview Lab → · Contrast checker → · Palette generator →