#010621#010621

#010621 is a very dark, muted blue. Relative luminance 0.002; OKLCH L 13.9% C 0.060 H 264.2°. Best body text is #FFFFFF at 20.01:1 contrast (WCAG AA passes).

Color values

HEX	#010621
RGB	rgb(1, 6, 33)
HSL	hsl(231, 94%, 7%)
HSV	hsv(231, 97%, 13%)
CMYK	cmyk(97%, 81.8%, 0%, 87.1%)
CIE-LAB	lab(2.23, 4.83, -16.17)
CIE-LCH	lch(2.23, 16.88, 286.62°)
OKLab	oklab(13.88% -0.006 -0.0596)
OKLCH	oklch(13.88% 0.06 264.2)
XYZ	xyz(0.3521, 0.2465, 1.4676)
Luminance	0.0025 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 8.07

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#010621 #211C01

analogous

#011621 #010621 #0C0121

triadic

#010621 #210106 #062101

tetradic

#010621 #210116 #211C01 #01210C

square

#010621 #210116 #211C01 #01210C

split-complementary

#010621 #210C01 #162101

monochromatic

#01051E #01051E #010621 #03115C #051C98

Accessibility & contrast

On white

20.01

#010621 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.05

#010621 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #010621

20.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##010621	#FFFFFF	#000000	##FFFFFF
##010621	1.00	20.01	1.05	20.01
#FFFFFF	20.01	1.00	21.00	1.00
#000000	1.05	21.00	1.00	21.00
##FFFFFF	20.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000A22

Deuteranopia (green-blind)

#000720

Tritanopia (blue-blind)

#000D12

Achromatopsia (no color)

#080808

Design tokens & code

CSS

--color: #010621;
/* rgb */ color: rgb(1, 6, 33);
/* oklch */ color: oklch(13.9% 0.060 264.2);

Tailwind

colors: {
  custom: {
    50: '#46495c',
    500: '#010621',
    950: '#000000',
  },
}

SCSS

$custom: #010621;
$custom-light: #46495c;
$custom-dark: #000000;

JSON

{
  "hex": "#010621",
  "rgb": {
    "r": 1,
    "g": 6,
    "b": 33
  },
  "hsl": {
    "h": 230.625,
    "s": 94.118,
    "l": 6.667
  },
  "oklch": {
    "l": 0.13877,
    "c": 0.05992,
    "h": 264.2
  },
  "luminance": 0.00247
}

Semantic roles & 50–950 ramp

primary

#010621

secondary

#685B15

accent

#DE29FF

background

#F4F4F5

surface

#E6E6E9

border

#C2C2C5

text

#000004

muted

#777779

Preview Lab

Preview with #010621

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

Preview Lab → · Contrast checker → · Palette generator →