#010221#010221

#010221 is a very dark, moderate blue. Relative luminance 0.002; OKLCH L 12.3% C 0.070 H 267.5°. Best body text is #FFFFFF at 20.35:1 contrast (WCAG AA passes).

Color values

HEX	#010221
RGB	rgb(1, 2, 33)
HSL	hsl(238, 94%, 7%)
HSV	hsv(238, 97%, 13%)
CMYK	cmyk(97%, 93.9%, 0%, 87.1%)
CIE-LAB	lab(1.44, 6.43, -17.37)
CIE-LCH	lch(1.44, 18.52, 290.31°)
OKLab	oklab(12.35% -0.0031 -0.0697)
OKLCH	oklch(12.35% 0.07 267.5)
XYZ	xyz(0.3086, 0.1596, 1.4531)
Luminance	0.0016 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 7.22

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#010221 #212001

analogous

#011221 #010221 #100121

triadic

#010221 #210102 #022101

tetradic

#010221 #210112 #212001 #012110

square

#010221 #210112 #212001 #012110

split-complementary

#010221 #211001 #122101

monochromatic

#01021E #01021E #010221 #03065C #050998

Accessibility & contrast

On white

20.35

#010221 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.03

#010221 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #010221

20.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##010221	#FFFFFF	#000000	##FFFFFF
##010221	1.00	20.35	1.03	20.35
#FFFFFF	20.35	1.00	21.00	1.00
#000000	1.03	21.00	1.00	21.00
##FFFFFF	20.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000722

Deuteranopia (green-blind)

#000420

Tritanopia (blue-blind)

#000910

Achromatopsia (no color)

#050505

Design tokens & code

CSS

--color: #010221;
/* rgb */ color: rgb(1, 2, 33);
/* oklch */ color: oklch(12.3% 0.070 267.5);

Tailwind

colors: {
  custom: {
    50: '#46485c',
    500: '#010221',
    950: '#000000',
  },
}

SCSS

$custom: #010221;
$custom-light: #46485c;
$custom-dark: #000000;

JSON

{
  "hex": "#010221",
  "rgb": {
    "r": 1,
    "g": 2,
    "b": 33
  },
  "hsl": {
    "h": 238.125,
    "s": 94.118,
    "l": 6.667
  },
  "oklch": {
    "l": 0.1235,
    "c": 0.06981,
    "h": 267.5
  },
  "luminance": 0.0016
}

Semantic roles & 50–950 ramp

primary

#010221

secondary

#686615

accent

#F829FF

background

#F4F4F5

surface

#E6E6E9

border

#C2C2C5

text

#000004

muted

#777779

Preview Lab

Preview with #010221

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

Preview Lab → · Contrast checker → · Palette generator →