#641815#641815

#641815 is a dark, moderate red. Relative luminance 0.034; OKLCH L 33.7% C 0.109 H 27.0°. Best body text is #FFFFFF at 12.47:1 contrast (WCAG AA passes).

Color values

HEX	#641815
RGB	rgb(100, 24, 21)
HSL	hsl(2, 65%, 24%)
HSV	hsv(2, 79%, 39%)
CMYK	cmyk(0%, 76%, 79%, 60.8%)
CIE-LAB	lab(21.64, 33.66, 22.09)
CIE-LCH	lch(21.64, 40.26, 33.28°)
OKLab	oklab(33.75% 0.0972 0.0496)
OKLCH	oklch(33.75% 0.109 27)
XYZ	xyz(5.7182, 3.4176, 1.0679)
Luminance	0.0342 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641815 #156164

analogous

#641539 #641815 #643F15

triadic

#641815 #156418 #181564

tetradic

#641815 #396415 #156164 #3F1564

square

#641815 #396415 #156164 #3F1564

split-complementary

#641815 #15643F #153964

monochromatic

#190605 #310C0A #641815 #972420 #C9302A

Accessibility & contrast

On white

12.47

#641815 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#641815 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641815

12.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641815	#FFFFFF	#000000	##FFFFFF
##641815	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)

#2E2914

Deuteranopia (green-blind)

#413A12

Tritanopia (blue-blind)

#6F0018

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #641815;
/* rgb */ color: rgb(100, 24, 21);
/* oklch */ color: oklch(33.7% 0.109 27.0);

Tailwind

colors: {
  custom: {
    50: '#975b52',
    500: '#641815',
    950: '#000000',
  },
}

SCSS

$custom: #641815;
$custom-light: #975b52;
$custom-dark: #000000;

JSON

{
  "hex": "#641815",
  "rgb": {
    "r": 100,
    "g": 24,
    "b": 21
  },
  "hsl": {
    "h": 2.278,
    "s": 65.289,
    "l": 23.725
  },
  "oklch": {
    "l": 0.33747,
    "c": 0.10908,
    "h": 27
  },
  "luminance": 0.03417
}

Semantic roles & 50–950 ramp

primary

#641815

secondary

#3A979B

accent

#E2E840

background

#F9F5F4

surface

#F2E9E7

border

#CCC5C3

text

#0F0402

muted

#7E7978

Preview Lab

Preview with #641815

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

Preview Lab → · Contrast checker → · Palette generator →