#641313#641313

#641313 is a dark, moderate red. Relative luminance 0.032; OKLCH L 33.2% C 0.114 H 26.0°. Best body text is #FFFFFF at 12.77:1 contrast (WCAG AA passes).

Color values

HEX	#641313
RGB	rgb(100, 19, 19)
HSL	hsl(0, 68%, 23%)
HSV	hsv(0, 81%, 39%)
CMYK	cmyk(0%, 81%, 81%, 60.8%)
CIE-LAB	lab(20.92, 35.52, 22.57)
CIE-LCH	lch(20.92, 42.08, 32.44°)
OKLab	oklab(33.2% 0.1025 0.0501)
OKLCH	oklch(33.2% 0.114 26)
XYZ	xyz(5.6066, 3.2230, 0.9429)
Luminance	0.0322 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641313 #136464

analogous

#64133B #641313 #643B13

triadic

#641313 #136413 #131364

tetradic

#641313 #3B6413 #136464 #3B1364

square

#641313 #3B6413 #136464 #3B1364

split-complementary

#641313 #13643B #133B64

monochromatic

#1A0505 #310909 #641313 #971D1D #CB2727

Accessibility & contrast

On white

12.77

#641313 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#641313 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641313

12.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641313	#FFFFFF	#000000	##FFFFFF
##641313	1.00	12.77	1.64	12.77
#FFFFFF	12.77	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C2712

Deuteranopia (green-blind)

#403910

Tritanopia (blue-blind)

#6F0014

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #641313;
/* rgb */ color: rgb(100, 19, 19);
/* oklch */ color: oklch(33.2% 0.114 26.0);

Tailwind

colors: {
  custom: {
    50: '#975951',
    500: '#641313',
    950: '#000000',
  },
}

SCSS

$custom: #641313;
$custom-light: #975951;
$custom-dark: #000000;

JSON

{
  "hex": "#641313",
  "rgb": {
    "r": 100,
    "g": 19,
    "b": 19
  },
  "hsl": {
    "h": 0,
    "s": 68.067,
    "l": 23.333
  },
  "oklch": {
    "l": 0.33195,
    "c": 0.11412,
    "h": 26
  },
  "luminance": 0.03222
}

Semantic roles & 50–950 ramp

primary

#641313

secondary

#379C9C

accent

#EBEB3D

background

#FAF5F4

surface

#F3E9E7

border

#CDC5C3

text

#0F0402

muted

#7F7978

Preview Lab

Preview with #641313

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

Preview Lab → · Contrast checker → · Palette generator →