#641F28#641F28

#641F28 is a dark, moderate red. Relative luminance 0.038; OKLCH L 35.0% C 0.099 H 16.3°. Best body text is #FFFFFF at 11.88:1 contrast (WCAG AA passes).

Color values

HEX	#641F28
RGB	rgb(100, 31, 40)
HSL	hsl(352, 53%, 26%)
HSV	hsv(352, 69%, 39%)
CMYK	cmyk(0%, 69%, 60%, 60.8%)
CIE-LAB	lab(23.15, 31.77, 11.21)
CIE-LCH	lch(23.15, 33.69, 19.44°)
OKLab	oklab(34.98% 0.0953 0.0278)
OKLCH	oklch(34.98% 0.099 16.3)
XYZ	xyz(6.1291, 3.8433, 2.4262)
Luminance	0.0384 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641F28 #1F645B

analogous

#641F4A #641F28 #64381F

triadic

#641F28 #28641F #1F2864

tetradic

#641F28 #4A641F #1F645B #381F64

square

#641F28 #4A641F #1F645B #381F64

split-complementary

#641F28 #1F6438 #1F4A64

monochromatic

#170709 #351115 #641F28 #932D3B #C13C4D

Accessibility & contrast

On white

11.88

#641F28 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#641F28 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641F28

11.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641F28	#FFFFFF	#000000	##FFFFFF
##641F28	1.00	11.88	1.77	11.88
#FFFFFF	11.88	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#302E28

Deuteranopia (green-blind)

#423C26

Tritanopia (blue-blind)

#6E1223

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #641f28;
/* rgb */ color: rgb(100, 31, 40);
/* oklch */ color: oklch(35.0% 0.099 16.3);

Tailwind

colors: {
  custom: {
    50: '#955f61',
    500: '#641f28',
    950: '#000000',
  },
}

SCSS

$custom: #641f28;
$custom-light: #955f61;
$custom-dark: #000000;

JSON

{
  "hex": "#641f28",
  "rgb": {
    "r": 100,
    "g": 31,
    "b": 40
  },
  "hsl": {
    "h": 352.174,
    "s": 52.672,
    "l": 25.686
  },
  "oklch": {
    "l": 0.34982,
    "c": 0.09926,
    "h": 16.3
  },
  "luminance": 0.03842
}

Semantic roles & 50–950 ramp

primary

#641F28

secondary

#46988E

accent

#DCC94C

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0E0505

muted

#7E7979

Preview Lab

Preview with #641F28

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

Preview Lab → · Contrast checker → · Palette generator →