#641623#641623

#641623 is a dark, moderate red. Relative luminance 0.034; OKLCH L 33.8% C 0.110 H 16.2°. Best body text is #FFFFFF at 12.49:1 contrast (WCAG AA passes).

Color values

HEX	#641623
RGB	rgb(100, 22, 35)
HSL	hsl(350, 64%, 24%)
HSV	hsv(350, 78%, 39%)
CMYK	cmyk(0%, 78%, 65%, 60.8%)
CIE-LAB	lab(21.60, 35.31, 12.60)
CIE-LCH	lch(21.60, 37.49, 19.63°)
OKLab	oklab(33.79% 0.1056 0.0307)
OKLCH	oklch(33.79% 0.11 16.2)
XYZ	xyz(5.8464, 3.4053, 1.9392)
Luminance	0.0340 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641623 #166457

analogous

#64164A #641623 #643016

triadic

#641623 #236416 #162364

tetradic

#641623 #4A6416 #166457 #301664

square

#641623 #4A6416 #166457 #301664

split-complementary

#641623 #166430 #164A64

monochromatic

#190609 #320B11 #641623 #962135 #C82C46

Accessibility & contrast

On white

12.49

#641623 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#641623 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641623

12.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641623	#FFFFFF	#000000	##FFFFFF
##641623	1.00	12.49	1.68	12.49
#FFFFFF	12.49	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B2923

Deuteranopia (green-blind)

#3F3A21

Tritanopia (blue-blind)

#6E001B

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #641623;
/* rgb */ color: rgb(100, 22, 35);
/* oklch */ color: oklch(33.8% 0.110 16.2);

Tailwind

colors: {
  custom: {
    50: '#965a5d',
    500: '#641623',
    950: '#000000',
  },
}

SCSS

$custom: #641623;
$custom-light: #965a5d;
$custom-dark: #000000;

JSON

{
  "hex": "#641623",
  "rgb": {
    "r": 100,
    "g": 22,
    "b": 35
  },
  "hsl": {
    "h": 350,
    "s": 63.934,
    "l": 23.922
  },
  "oklch": {
    "l": 0.33793,
    "c": 0.11,
    "h": 16.2
  },
  "luminance": 0.03404
}

Semantic roles & 50–950 ramp

primary

#641623

secondary

#3B9B8B

accent

#E7CB41

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0E0404

muted

#7E7979

Preview Lab

Preview with #641623

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

Preview Lab → · Contrast checker → · Palette generator →