#641D28#641D28

#641D28 is a dark, moderate red. Relative luminance 0.037; OKLCH L 34.7% C 0.102 H 15.2°. Best body text is #FFFFFF at 12.01:1 contrast (WCAG AA passes).

Color values

HEX	#641D28
RGB	rgb(100, 29, 40)
HSL	hsl(351, 55%, 25%)
HSV	hsv(351, 71%, 39%)
CMYK	cmyk(0%, 71%, 60%, 60.8%)
CIE-LAB	lab(22.80, 32.71, 10.75)
CIE-LCH	lch(22.80, 34.43, 18.19°)
OKLab	oklab(34.72% 0.0983 0.0267)
OKLCH	oklch(34.72% 0.102 15.2)
XYZ	xyz(6.0785, 3.7421, 2.4093)
Luminance	0.0374 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641D28 #1D6459

analogous

#641D4B #641D28 #64351D

triadic

#641D28 #28641D #1D2864

tetradic

#641D28 #4B641D #1D6459 #351D64

square

#641D28 #4B641D #1D6459 #351D64

split-complementary

#641D28 #1D6435 #1D4B64

monochromatic

#180709 #350F15 #641D28 #932B3B #C3394E

Accessibility & contrast

On white

12.01

#641D28 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#641D28 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641D28

12.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641D28	#FFFFFF	#000000	##FFFFFF
##641D28	1.00	12.01	1.75	12.01
#FFFFFF	12.01	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	12.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F2D28

Deuteranopia (green-blind)

#413C26

Tritanopia (blue-blind)

#6E0E21

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #641d28;
/* rgb */ color: rgb(100, 29, 40);
/* oklch */ color: oklch(34.7% 0.102 15.2);

Tailwind

colors: {
  custom: {
    50: '#955e61',
    500: '#641d28',
    950: '#000000',
  },
}

SCSS

$custom: #641d28;
$custom-light: #955e61;
$custom-dark: #000000;

JSON

{
  "hex": "#641d28",
  "rgb": {
    "r": 100,
    "g": 29,
    "b": 40
  },
  "hsl": {
    "h": 350.704,
    "s": 55.039,
    "l": 25.294
  },
  "oklch": {
    "l": 0.34723,
    "c": 0.10185,
    "h": 15.2
  },
  "luminance": 0.03741
}

Semantic roles & 50–950 ramp

primary

#641D28

secondary

#44998C

accent

#DEC749

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0E0505

muted

#7E7979

Preview Lab

Preview with #641D28

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

Preview Lab → · Contrast checker → · Palette generator →