#641F2B#641F2B

#641F2B is a dark, moderate red. Relative luminance 0.039; OKLCH L 35.1% C 0.099 H 13.6°. Best body text is #FFFFFF at 11.85:1 contrast (WCAG AA passes).

Color values

HEX	#641F2B
RGB	rgb(100, 31, 43)
HSL	hsl(350, 53%, 26%)
HSV	hsv(350, 69%, 39%)
CMYK	cmyk(0%, 69%, 57%, 60.8%)
CIE-LAB	lab(23.22, 32.04, 9.26)
CIE-LCH	lch(23.22, 33.35, 16.12°)
OKLab	oklab(35.06% 0.0966 0.0233)
OKLCH	oklch(35.06% 0.099 13.6)
XYZ	xyz(6.1821, 3.8645, 2.7054)
Luminance	0.0386 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641F2B #1F6458

analogous

#641F4D #641F2B #64351F

triadic

#641F2B #2B641F #1F2B64

tetradic

#641F2B #4D641F #1F6458 #351F64

square

#641F2B #4D641F #1F6458 #351F64

split-complementary

#641F2B #1F6435 #1F4D64

monochromatic

#17070A #351117 #641F2B #932D3F #C13C53

Accessibility & contrast

On white

11.85

#641F2B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#641F2B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641F2B

11.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641F2B	#FFFFFF	#000000	##FFFFFF
##641F2B	1.00	11.85	1.77	11.85
#FFFFFF	11.85	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F2E2B

Deuteranopia (green-blind)

#413D29

Tritanopia (blue-blind)

#6E1324

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #641f2b;
/* rgb */ color: rgb(100, 31, 43);
/* oklch */ color: oklch(35.1% 0.099 13.6);

Tailwind

colors: {
  custom: {
    50: '#955f64',
    500: '#641f2b',
    950: '#000000',
  },
}

SCSS

$custom: #641f2b;
$custom-light: #955f64;
$custom-dark: #000000;

JSON

{
  "hex": "#641f2b",
  "rgb": {
    "r": 100,
    "g": 31,
    "b": 43
  },
  "hsl": {
    "h": 349.565,
    "s": 52.672,
    "l": 25.686
  },
  "oklch": {
    "l": 0.35059,
    "c": 0.0994,
    "h": 13.6
  },
  "luminance": 0.03864
}

Semantic roles & 50–950 ramp

primary

#641F2B

secondary

#46988A

accent

#DCC34C

background

#F9F5F5

surface

#F2E9EA

border

#CCC5C6

text

#0E0505

muted

#7E7979

Preview Lab

Preview with #641F2B

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

Preview Lab → · Contrast checker → · Palette generator →