#641A28#641A28

#641A28 is a dark, moderate red. Relative luminance 0.036; OKLCH L 34.4% C 0.106 H 13.8°. Best body text is #FFFFFF at 12.21:1 contrast (WCAG AA passes).

Color values

HEX	#641A28
RGB	rgb(100, 26, 40)
HSL	hsl(349, 59%, 25%)
HSV	hsv(349, 74%, 39%)
CMYK	cmyk(0%, 74%, 60%, 60.8%)
CIE-LAB	lab(22.31, 34.05, 10.08)
CIE-LCH	lch(22.31, 35.51, 16.50°)
OKLab	oklab(34.36% 0.1026 0.0251)
OKLCH	oklch(34.36% 0.106 13.8)
XYZ	xyz(6.0085, 3.6021, 2.3860)
Luminance	0.0360 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641A28 #1A6456

analogous

#641A4D #641A28 #64311A

triadic

#641A28 #28641A #1A2864

tetradic

#641A28 #4D641A #1A6456 #311A64

square

#641A28 #4D641A #1A6456 #311A64

split-complementary

#641A28 #1A6431 #1A4D64

monochromatic

#18060A #330D15 #641A28 #95273B #C5334F

Accessibility & contrast

On white

12.21

#641A28 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#641A28 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641A28

12.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641A28	#FFFFFF	#000000	##FFFFFF
##641A28	1.00	12.21	1.72	12.21
#FFFFFF	12.21	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D2C28

Deuteranopia (green-blind)

#403B26

Tritanopia (blue-blind)

#6E0920

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #641a28;
/* rgb */ color: rgb(100, 26, 40);
/* oklch */ color: oklch(34.4% 0.106 13.8);

Tailwind

colors: {
  custom: {
    50: '#955c61',
    500: '#641a28',
    950: '#000000',
  },
}

SCSS

$custom: #641a28;
$custom-light: #955c61;
$custom-dark: #000000;

JSON

{
  "hex": "#641a28",
  "rgb": {
    "r": 100,
    "g": 26,
    "b": 40
  },
  "hsl": {
    "h": 348.649,
    "s": 58.73,
    "l": 24.706
  },
  "oklch": {
    "l": 0.34358,
    "c": 0.1056,
    "h": 13.8
  },
  "luminance": 0.03601
}

Semantic roles & 50–950 ramp

primary

#641A28

secondary

#409A89

accent

#E2C446

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0E0405

muted

#7E7979

Preview Lab

Preview with #641A28

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

Preview Lab → · Contrast checker → · Palette generator →