#641827#641827

#641827 is a dark, moderate red. Relative luminance 0.035; OKLCH L 34.1% C 0.108 H 13.8°. Best body text is #FFFFFF at 12.34:1 contrast (WCAG AA passes).

Color values

HEX	#641827
RGB	rgb(100, 24, 39)
HSL	hsl(348, 61%, 24%)
HSV	hsv(348, 76%, 39%)
CMYK	cmyk(0%, 76%, 61%, 60.8%)
CIE-LAB	lab(21.98, 34.81, 10.33)
CIE-LCH	lch(21.98, 36.31, 16.53°)
OKLab	oklab(34.11% 0.1048 0.0257)
OKLCH	oklch(34.11% 0.108 13.8)
XYZ	xyz(5.9489, 3.5099, 2.2833)
Luminance	0.0351 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641827 #186455

analogous

#64184D #641827 #642F18

triadic

#641827 #276418 #182764

tetradic

#641827 #4D6418 #186455 #2F1864

square

#641827 #4D6418 #186455 #2F1864

split-complementary

#641827 #18642F #184D64

monochromatic

#19060A #330C14 #641827 #95243A #C7304D

Accessibility & contrast

On white

12.34

#641827 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#641827 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641827

12.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641827	#FFFFFF	#000000	##FFFFFF
##641827	1.00	12.34	1.70	12.34
#FFFFFF	12.34	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C2B27

Deuteranopia (green-blind)

#3F3A25

Tritanopia (blue-blind)

#6E051E

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #641827;
/* rgb */ color: rgb(100, 24, 39);
/* oklch */ color: oklch(34.1% 0.108 13.8);

Tailwind

colors: {
  custom: {
    50: '#955b60',
    500: '#641827',
    950: '#000000',
  },
}

SCSS

$custom: #641827;
$custom-light: #955b60;
$custom-dark: #000000;

JSON

{
  "hex": "#641827",
  "rgb": {
    "r": 100,
    "g": 24,
    "b": 39
  },
  "hsl": {
    "h": 348.158,
    "s": 61.29,
    "l": 24.314
  },
  "oklch": {
    "l": 0.34106,
    "c": 0.10792,
    "h": 13.8
  },
  "luminance": 0.03509
}

Semantic roles & 50–950 ramp

primary

#641827

secondary

#3E9A88

accent

#E4C543

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0E0405

muted

#7E7979

Preview Lab

Preview with #641827

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

Preview Lab → · Contrast checker → · Palette generator →