#641628#641628

#641628 is a dark, moderate red. Relative luminance 0.034; OKLCH L 33.9% C 0.110 H 12.1°. Best body text is #FFFFFF at 12.45:1 contrast (WCAG AA passes).

Color values

HEX	#641628
RGB	rgb(100, 22, 40)
HSL	hsl(346, 64%, 24%)
HSV	hsv(346, 78%, 39%)
CMYK	cmyk(0%, 78%, 60%, 60.8%)
CIE-LAB	lab(21.72, 35.70, 9.28)
CIE-LCH	lch(21.72, 36.88, 14.57°)
OKLab	oklab(33.92% 0.1079 0.0232)
OKLCH	oklch(33.92% 0.11 12.1)
XYZ	xyz(5.9260, 3.4372, 2.3585)
Luminance	0.0344 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641628 #166452

analogous

#64164F #641628 #642B16

triadic

#641628 #286416 #162864

tetradic

#641628 #4F6416 #166452 #2B1664

square

#641628 #4F6416 #166452 #2B1664

split-complementary

#641628 #16642B #164F64

monochromatic

#19060A #320B14 #641628 #96213C #C82C50

Accessibility & contrast

On white

12.45

#641628 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#641628 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641628

12.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641628	#FFFFFF	#000000	##FFFFFF
##641628	1.00	12.45	1.69	12.45
#FFFFFF	12.45	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A2A28

Deuteranopia (green-blind)

#3E3A26

Tritanopia (blue-blind)

#6E021D

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #641628;
/* rgb */ color: rgb(100, 22, 40);
/* oklch */ color: oklch(33.9% 0.110 12.1);

Tailwind

colors: {
  custom: {
    50: '#955b61',
    500: '#641628',
    950: '#000000',
  },
}

SCSS

$custom: #641628;
$custom-light: #955b61;
$custom-dark: #000000;

JSON

{
  "hex": "#641628",
  "rgb": {
    "r": 100,
    "g": 22,
    "b": 40
  },
  "hsl": {
    "h": 346.154,
    "s": 63.934,
    "l": 23.922
  },
  "oklch": {
    "l": 0.33918,
    "c": 0.11032,
    "h": 12.1
  },
  "luminance": 0.03436
}

Semantic roles & 50–950 ramp

primary

#641628

secondary

#3B9B85

accent

#E7C141

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0E0405

muted

#7E7979

Preview Lab

Preview with #641628

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

Preview Lab → · Contrast checker → · Palette generator →