#01021C#01021C

#01021C is a very dark, moderate blue. Relative luminance 0.001; OKLCH L 11.6% C 0.062 H 268.1°. Best body text is #FFFFFF at 20.45:1 contrast (WCAG AA passes).

Color values

HEX	#01021C
RGB	rgb(1, 2, 28)
HSL	hsl(238, 93%, 6%)
HSV	hsv(238, 96%, 11%)
CMYK	cmyk(96.4%, 92.9%, 0%, 89%)
CIE-LAB	lab(1.21, 4.78, -13.71)
CIE-LCH	lch(1.21, 14.52, 289.22°)
OKLab	oklab(11.58% -0.0021 -0.0619)
OKLCH	oklch(11.58% 0.062 268.1)
XYZ	xyz(0.2438, 0.1337, 1.1113)
Luminance	0.0013 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 9.52

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#01021C #1C1B01

analogous

#010F1C #01021C #0D011C

triadic

#01021C #1C0102 #021C01

tetradic

#01021C #1C010F #1C1B01 #011C0D

square

#01021C #1C010F #1C1B01 #011C0D

split-complementary

#01021C #1C0D01 #0F1C01

monochromatic

#01021E #01021E #01021E #030657 #050A92

Accessibility & contrast

On white

20.45

#01021C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.03

#01021C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #01021C

20.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##01021C	#FFFFFF	#000000	##FFFFFF
##01021C	1.00	20.45	1.03	20.45
#FFFFFF	20.45	1.00	21.00	1.00
#000000	1.03	21.00	1.00	21.00
##FFFFFF	20.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00051D

Deuteranopia (green-blind)

#00031B

Tritanopia (blue-blind)

#00070D

Achromatopsia (no color)

#040404

Design tokens & code

CSS

--color: #01021c;
/* rgb */ color: rgb(1, 2, 28);
/* oklch */ color: oklch(11.6% 0.062 268.1);

Tailwind

colors: {
  custom: {
    50: '#464857',
    500: '#01021c',
    950: '#000000',
  },
}

SCSS

$custom: #01021c;
$custom-light: #464857;
$custom-dark: #000000;

JSON

{
  "hex": "#01021c",
  "rgb": {
    "r": 1,
    "g": 2,
    "b": 28
  },
  "hsl": {
    "h": 237.778,
    "s": 93.103,
    "l": 5.686
  },
  "oklch": {
    "l": 0.11575,
    "c": 0.06191,
    "h": 268.1
  },
  "luminance": 0.00134
}

Semantic roles & 50–950 ramp

primary

#01021C

secondary

#646115

accent

#F729FF

background

#F3F4F5

surface

#E5E6E9

border

#C1C2C5

text

#000003

muted

#767778

Preview Lab

Preview with #01021C

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

Preview Lab → · Contrast checker → · Palette generator →