#333641#333641

#333641 is a dark, near-neutral blue. Relative luminance 0.037; OKLCH L 33.4% C 0.020 H 273.3°. Best body text is #FFFFFF at 12.04:1 contrast (WCAG AA passes).

Color values

HEX	#333641
RGB	rgb(51, 54, 65)
HSL	hsl(227, 12%, 23%)
HSV	hsv(227, 22%, 25%)
CMYK	cmyk(21.5%, 16.9%, 0%, 74.5%)
CIE-LAB	lab(22.74, 1.54, -7.27)
CIE-LCH	lch(22.74, 7.43, 281.99°)
OKLab	oklab(33.45% 0.0011 -0.0198)
OKLCH	oklch(33.45% 0.02 273.3)
XYZ	xyz(3.6383, 3.7237, 5.5271)
Luminance	0.0372 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#333641 #413E33

analogous

#333D41 #333641 #373341

triadic

#333641 #413336 #364133

tetradic

#333641 #41333D #413E33 #334137

square

#333641 #41333D #413E33 #334137

split-complementary

#333641 #413733 #3D4133

monochromatic

#0D0E11 #181A1F #333641 #4E5263 #696F86

Accessibility & contrast

On white

12.04

#333641 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#333641 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #333641

12.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##333641	#FFFFFF	#000000	##FFFFFF
##333641	1.00	12.04	1.74	12.04
#FFFFFF	12.04	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#333742

Deuteranopia (green-blind)

#323641

Tritanopia (blue-blind)

#30383A

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #333641;
/* rgb */ color: rgb(51, 54, 65);
/* oklch */ color: oklch(33.4% 0.020 273.3);

Tailwind

colors: {
  custom: {
    50: '#6a6c75',
    500: '#333641',
    950: '#000000',
  },
}

SCSS

$custom: #333641;
$custom-light: #6a6c75;
$custom-dark: #000000;

JSON

{
  "hex": "#333641",
  "rgb": {
    "r": 51,
    "g": 54,
    "b": 65
  },
  "hsl": {
    "h": 227.143,
    "s": 12.069,
    "l": 22.745
  },
  "oklch": {
    "l": 0.33447,
    "c": 0.0198,
    "h": 273.3
  },
  "luminance": 0.03724
}

Semantic roles & 50–950 ramp

primary

#333641

secondary

#716D5F

accent

#A773B5

background

#F6F6F7

surface

#EBEBED

border

#C6C6C8

text

#060708

muted

#7A7A7B

Preview Lab

Preview with #333641

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

Preview Lab → · Contrast checker → · Palette generator →