#333643#333643

#333643 is a dark, muted blue. Relative luminance 0.037; OKLCH L 33.5% C 0.023 H 274.9°. Best body text is #FFFFFF at 12.00:1 contrast (WCAG AA passes).

Color values

HEX	#333643
RGB	rgb(51, 54, 67)
HSL	hsl(229, 14%, 23%)
HSV	hsv(229, 24%, 26%)
CMYK	cmyk(23.9%, 19.4%, 0%, 73.7%)
CIE-LAB	lab(22.82, 2.10, -8.49)
CIE-LCH	lch(22.82, 8.74, 283.88°)
OKLab	oklab(33.54% 0.002 -0.0232)
OKLCH	oklch(33.54% 0.023 274.9)
XYZ	xyz(3.6973, 3.7473, 5.8376)
Luminance	0.0375 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#333643 #434033

analogous

#333E43 #333643 #383343

triadic

#333643 #433336 #364333

tetradic

#333643 #43333E #434033 #334338

square

#333643 #43333E #434033 #334338

split-complementary

#333643 #433833 #3E4333

monochromatic

#0D0E11 #191A20 #333643 #4D5266 #686E88

Accessibility & contrast

On white

12.00

#333643 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#333643 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #333643

12.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##333643	#FFFFFF	#000000	##FFFFFF
##333643	1.00	12.00	1.75	12.00
#FFFFFF	12.00	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	12.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#323744

Deuteranopia (green-blind)

#313643

Tritanopia (blue-blind)

#2F383A

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #333643;
/* rgb */ color: rgb(51, 54, 67);
/* oklch */ color: oklch(33.5% 0.023 274.9);

Tailwind

colors: {
  custom: {
    50: '#6b6c77',
    500: '#333643',
    950: '#000000',
  },
}

SCSS

$custom: #333643;
$custom-light: #6b6c77;
$custom-dark: #000000;

JSON

{
  "hex": "#333643",
  "rgb": {
    "r": 51,
    "g": 54,
    "b": 67
  },
  "hsl": {
    "h": 228.75,
    "s": 13.559,
    "l": 23.137
  },
  "oklch": {
    "l": 0.33538,
    "c": 0.02325,
    "h": 274.9
  },
  "luminance": 0.03747
}

Semantic roles & 50–950 ramp

primary

#333643

secondary

#736F5F

accent

#A971B6

background

#F6F6F7

surface

#EBEBED

border

#C6C6C8

text

#060708

muted

#7A7A7B

Preview Lab

Preview with #333643

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

Preview Lab → · Contrast checker → · Palette generator →