#641A27#641A27

#641A27 is a dark, moderate red. Relative luminance 0.036; OKLCH L 34.3% C 0.106 H 14.6°. Best body text is #FFFFFF at 12.22:1 contrast (WCAG AA passes).

Color values

HEX	#641A27
RGB	rgb(100, 26, 39)
HSL	hsl(349, 59%, 25%)
HSV	hsv(349, 74%, 39%)
CMYK	cmyk(0%, 74%, 61%, 60.8%)
CIE-LAB	lab(22.29, 33.97, 10.74)
CIE-LCH	lch(22.29, 35.63, 17.55°)
OKLab	oklab(34.33% 0.1021 0.0266)
OKLCH	oklch(34.33% 0.106 14.6)
XYZ	xyz(5.9917, 3.5954, 2.2975)
Luminance	0.0360 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641A27 #1A6457

analogous

#641A4C #641A27 #64321A

triadic

#641A27 #27641A #1A2764

tetradic

#641A27 #4C641A #1A6457 #321A64

square

#641A27 #4C641A #1A6457 #321A64

split-complementary

#641A27 #1A6432 #1A4C64

monochromatic

#180609 #330D14 #641A27 #95273A #C5334D

Accessibility & contrast

On white

12.22

#641A27 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#641A27 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641A27

12.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641A27	#FFFFFF	#000000	##FFFFFF
##641A27	1.00	12.22	1.72	12.22
#FFFFFF	12.22	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D2C27

Deuteranopia (green-blind)

#403B25

Tritanopia (blue-blind)

#6E091F

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #641a27;
/* rgb */ color: rgb(100, 26, 39);
/* oklch */ color: oklch(34.3% 0.106 14.6);

Tailwind

colors: {
  custom: {
    50: '#955c60',
    500: '#641a27',
    950: '#000000',
  },
}

SCSS

$custom: #641a27;
$custom-light: #955c60;
$custom-dark: #000000;

JSON

{
  "hex": "#641a27",
  "rgb": {
    "r": 100,
    "g": 26,
    "b": 39
  },
  "hsl": {
    "h": 349.459,
    "s": 58.73,
    "l": 24.706
  },
  "oklch": {
    "l": 0.34333,
    "c": 0.10554,
    "h": 14.6
  },
  "luminance": 0.03595
}

Semantic roles & 50–950 ramp

primary

#641A27

secondary

#409A8A

accent

#E2C746

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0E0405

muted

#7E7979

Preview Lab

Preview with #641A27

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

Preview Lab → · Contrast checker → · Palette generator →