#01022B#01022B

#01022B is a very dark, moderate blue. Relative luminance 0.002; OKLCH L 13.9% C 0.085 H 266.5°. Best body text is #FFFFFF at 20.10:1 contrast (WCAG AA passes).

Color values

HEX	#01022B
RGB	rgb(1, 2, 43)
HSL	hsl(239, 95%, 9%)
HSV	hsv(239, 98%, 17%)
CMYK	cmyk(97.7%, 95.3%, 0%, 83.1%)
CIE-LAB	lab(2.03, 10.53, -24.24)
CIE-LCH	lch(2.03, 26.42, 293.48°)
OKLab	oklab(13.94% -0.0051 -0.0844)
OKLCH	oklch(13.94% 0.085 266.5)
XYZ	xyz(0.4701, 0.2242, 2.3035)
Luminance	0.0022 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#01022B #2B2A01

analogous

#01172B #01022B #15012B

triadic

#01022B #2B0102 #022B01

tetradic

#01022B #2B0117 #2B2A01 #012B15

square

#01022B #2B0117 #2B2A01 #012B15

split-complementary

#01022B #2B1501 #172B01

monochromatic

#01011E #01011E #01022B #020567 #0408A3

Accessibility & contrast

On white

20.10

#01022B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.04

#01022B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #01022B

20.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##01022B	#FFFFFF	#000000	##FFFFFF
##01022B	1.00	20.10	1.04	20.10
#FFFFFF	20.10	1.00	21.00	1.00
#000000	1.04	21.00	1.00	21.00
##FFFFFF	20.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000A2C

Deuteranopia (green-blind)

#00052A

Tritanopia (blue-blind)

#000D16

Achromatopsia (no color)

#070707

Design tokens & code

CSS

--color: #01022b;
/* rgb */ color: rgb(1, 2, 43);
/* oklch */ color: oklch(13.9% 0.085 266.5);

Tailwind

colors: {
  custom: {
    50: '#474764',
    500: '#01022b',
    950: '#000000',
  },
}

SCSS

$custom: #01022b;
$custom-light: #474764;
$custom-dark: #000000;

JSON

{
  "hex": "#01022b",
  "rgb": {
    "r": 1,
    "g": 2,
    "b": 43
  },
  "hsl": {
    "h": 238.571,
    "s": 95.455,
    "l": 8.627
  },
  "oklch": {
    "l": 0.13944,
    "c": 0.08455,
    "h": 266.5
  },
  "luminance": 0.00224
}

Semantic roles & 50–950 ramp

primary

#01022B

secondary

#716F17

accent

#FA29FF

background

#F4F4F6

surface

#E7E6EB

border

#C3C2C6

text

#010005

muted

#77777A

Preview Lab

Preview with #01022B

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

Preview Lab → · Contrast checker → · Palette generator →