#641923#641923

#641923 is a dark, moderate red. Relative luminance 0.035; OKLCH L 34.1% C 0.107 H 17.5°. Best body text is #FFFFFF at 12.32:1 contrast (WCAG AA passes).

Color values

HEX	#641923
RGB	rgb(100, 25, 35)
HSL	hsl(352, 60%, 25%)
HSV	hsv(352, 75%, 39%)
CMYK	cmyk(0%, 75%, 65%, 60.8%)
CIE-LAB	lab(22.04, 34.08, 13.18)
CIE-LCH	lch(22.04, 36.54, 21.14°)
OKLab	oklab(34.12% 0.1017 0.032)
OKLCH	oklch(34.12% 0.107 17.5)
XYZ	xyz(5.9071, 3.5268, 1.9595)
Luminance	0.0353 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641923 #19645A

analogous

#641949 #641923 #643519

triadic

#641923 #236419 #192364

tetradic

#641923 #496419 #19645A #351964

square

#641923 #496419 #19645A #351964

split-complementary

#641923 #196435 #194964

monochromatic

#180609 #330D12 #641923 #952534 #C63145

Accessibility & contrast

On white

12.32

#641923 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#641923 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641923

12.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641923	#FFFFFF	#000000	##FFFFFF
##641923	1.00	12.32	1.71	12.32
#FFFFFF	12.32	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D2B23

Deuteranopia (green-blind)

#403B21

Tritanopia (blue-blind)

#6E051D

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #641923;
/* rgb */ color: rgb(100, 25, 35);
/* oklch */ color: oklch(34.1% 0.107 17.5);

Tailwind

colors: {
  custom: {
    50: '#965c5d',
    500: '#641923',
    950: '#000000',
  },
}

SCSS

$custom: #641923;
$custom-light: #965c5d;
$custom-dark: #000000;

JSON

{
  "hex": "#641923",
  "rgb": {
    "r": 100,
    "g": 25,
    "b": 35
  },
  "hsl": {
    "h": 352,
    "s": 60,
    "l": 24.51
  },
  "oklch": {
    "l": 0.34121,
    "c": 0.10665,
    "h": 17.5
  },
  "luminance": 0.03526
}

Semantic roles & 50–950 ramp

primary

#641923

secondary

#3F9A8E

accent

#E3CE45

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0E0404

muted

#7E7979

Preview Lab

Preview with #641923

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

Preview Lab → · Contrast checker → · Palette generator →