#641C2D#641C2D

#641C2D is a dark, moderate red. Relative luminance 0.037; OKLCH L 34.7% C 0.104 H 10.3°. Best body text is #FFFFFF at 12.03:1 contrast (WCAG AA passes).

Color values

HEX	#641C2D
RGB	rgb(100, 28, 45)
HSL	hsl(346, 56%, 25%)
HSV	hsv(346, 72%, 39%)
CMYK	cmyk(0%, 72%, 55%, 60.8%)
CIE-LAB	lab(22.76, 33.62, 7.24)
CIE-LCH	lch(22.76, 34.39, 12.16°)
OKLab	oklab(34.73% 0.1019 0.0185)
OKLCH	oklch(34.73% 0.104 10.3)
XYZ	xyz(6.1450, 3.7301, 2.8785)
Luminance	0.0373 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641C2D #1C6453

analogous

#641C51 #641C2D #642F1C

triadic

#641C2D #2D641C #1C2D64

tetradic

#641C2D #51641C #1C6453 #2F1C64

square

#641C2D #51641C #1C6453 #2F1C64

split-complementary

#641C2D #1C642F #1C5164

monochromatic

#18070B #340F17 #641C2D #942943 #C43758

Accessibility & contrast

On white

12.03

#641C2D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#641C2D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641C2D

12.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641C2D	#FFFFFF	#000000	##FFFFFF
##641C2D	1.00	12.03	1.75	12.03
#FFFFFF	12.03	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	12.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D2D2D

Deuteranopia (green-blind)

#403C2B

Tritanopia (blue-blind)

#6D0F23

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #641c2d;
/* rgb */ color: rgb(100, 28, 45);
/* oklch */ color: oklch(34.7% 0.104 10.3);

Tailwind

colors: {
  custom: {
    50: '#955e65',
    500: '#641c2d',
    950: '#000000',
  },
}

SCSS

$custom: #641c2d;
$custom-light: #955e65;
$custom-dark: #000000;

JSON

{
  "hex": "#641c2d",
  "rgb": {
    "r": 100,
    "g": 28,
    "b": 45
  },
  "hsl": {
    "h": 345.833,
    "s": 56.25,
    "l": 25.098
  },
  "oklch": {
    "l": 0.34733,
    "c": 0.1036,
    "h": 10.3
  },
  "luminance": 0.03729
}

Semantic roles & 50–950 ramp

primary

#641C2D

secondary

#439985

accent

#E0BC48

background

#F9F5F6

surface

#F2E9EB

border

#CCC5C6

text

#0E0405

muted

#7E797A

Preview Lab

Preview with #641C2D

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

Preview Lab → · Contrast checker → · Palette generator →