#641823#641823

#641823 is a dark, moderate red. Relative luminance 0.035; OKLCH L 34.0% C 0.108 H 17.0°. Best body text is #FFFFFF at 12.38:1 contrast (WCAG AA passes).

Color values

HEX	#641823
RGB	rgb(100, 24, 35)
HSL	hsl(351, 61%, 24%)
HSV	hsv(351, 76%, 39%)
CMYK	cmyk(0%, 76%, 65%, 60.8%)
CIE-LAB	lab(21.89, 34.50, 12.98)
CIE-LCH	lch(21.89, 36.86, 20.61°)
OKLab	oklab(34.01% 0.1031 0.0316)
OKLCH	oklch(34.01% 0.108 17)
XYZ	xyz(5.8861, 3.4848, 1.9525)
Luminance	0.0348 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641823 #186459

analogous

#641849 #641823 #643318

triadic

#641823 #236418 #182364

tetradic

#641823 #496418 #186459 #331864

square

#641823 #496418 #186459 #331864

split-complementary

#641823 #186433 #184964

monochromatic

#190609 #330C12 #641823 #952434 #C73046

Accessibility & contrast

On white

12.38

#641823 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#641823 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641823

12.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641823	#FFFFFF	#000000	##FFFFFF
##641823	1.00	12.38	1.70	12.38
#FFFFFF	12.38	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C2A23

Deuteranopia (green-blind)

#403A21

Tritanopia (blue-blind)

#6E031D

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #641823;
/* rgb */ color: rgb(100, 24, 35);
/* oklch */ color: oklch(34.0% 0.108 17.0);

Tailwind

colors: {
  custom: {
    50: '#965b5d',
    500: '#641823',
    950: '#000000',
  },
}

SCSS

$custom: #641823;
$custom-light: #965b5d;
$custom-dark: #000000;

JSON

{
  "hex": "#641823",
  "rgb": {
    "r": 100,
    "g": 24,
    "b": 35
  },
  "hsl": {
    "h": 351.316,
    "s": 61.29,
    "l": 24.314
  },
  "oklch": {
    "l": 0.34009,
    "c": 0.10778,
    "h": 17
  },
  "luminance": 0.03484
}

Semantic roles & 50–950 ramp

primary

#641823

secondary

#3E9A8D

accent

#E4CD43

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0E0404

muted

#7E7979

Preview Lab

Preview with #641823

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

Preview Lab → · Contrast checker → · Palette generator →