#000321#000321

#000321 is a very dark, moderate blue. Relative luminance 0.002; OKLCH L 12.6% C 0.068 H 263.6°. Best body text is #FFFFFF at 20.29:1 contrast (WCAG AA passes).

Color values

HEX	#000321
RGB	rgb(0, 3, 33)
HSL	hsl(235, 100%, 6%)
HSV	hsv(235, 100%, 13%)
CMYK	cmyk(100%, 90.9%, 0%, 87.1%)
CIE-LAB	lab(1.58, 5.77, -17.16)
CIE-LCH	lch(1.58, 18.11, 288.57°)
OKLab	oklab(12.6% -0.0076 -0.0678)
OKLCH	oklch(12.6% 0.068 263.6)
XYZ	xyz(0.3070, 0.1749, 1.4561)
Luminance	0.0018 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 7.42

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#000321 #211E00

analogous

#001421 #000321 #0E0021

triadic

#000321 #210003 #032100

tetradic

#000321 #210014 #211E00 #00210E

square

#000321 #210014 #211E00 #00210E

split-complementary

#000321 #210E00 #142100

monochromatic

#00031F #00031F #000321 #00095E #000E9B

Accessibility & contrast

On white

20.29

#000321 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.03

#000321 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #000321

20.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##000321	#FFFFFF	#000000	##FFFFFF
##000321	1.00	20.29	1.03	20.29
#FFFFFF	20.29	1.00	21.00	1.00
#000000	1.03	21.00	1.00	21.00
##FFFFFF	20.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000722

Deuteranopia (green-blind)

#000420

Tritanopia (blue-blind)

#000A10

Achromatopsia (no color)

#060606

Design tokens & code

CSS

--color: #000321;
/* rgb */ color: rgb(0, 3, 33);
/* oklch */ color: oklch(12.6% 0.068 263.6);

Tailwind

colors: {
  custom: {
    50: '#46485c',
    500: '#000321',
    950: '#000000',
  },
}

SCSS

$custom: #000321;
$custom-light: #46485c;
$custom-dark: #000000;

JSON

{
  "hex": "#000321",
  "rgb": {
    "r": 0,
    "g": 3,
    "b": 33
  },
  "hsl": {
    "h": 234.545,
    "s": 100,
    "l": 6.471
  },
  "oklch": {
    "l": 0.12597,
    "c": 0.06827,
    "h": 263.6
  },
  "luminance": 0.00175
}

Semantic roles & 50–950 ramp

primary

#000321

secondary

#6A6213

accent

#EC29FF

background

#F3F4F5

surface

#E5E6E9

border

#C1C2C5

text

#000004

muted

#767779

Preview Lab

Preview with #000321

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

Preview Lab → · Contrast checker → · Palette generator →