#01012A#01012A

#01012A is a very dark, moderate blue. Relative luminance 0.002; OKLCH L 13.4% C 0.086 H 266.8°. Best body text is #FFFFFF at 20.21:1 contrast (WCAG AA passes).

Color values

HEX	#01012A
RGB	rgb(1, 1, 42)
HSL	hsl(240, 95%, 8%)
HSV	hsv(240, 98%, 16%)
CMYK	cmyk(97.6%, 97.6%, 0%, 83.5%)
CIE-LAB	lab(1.76, 10.47, -23.88)
CIE-LCH	lch(1.76, 26.07, 293.66°)
OKLab	oklab(13.43% -0.0048 -0.0854)
OKLCH	oklch(13.43% 0.086 266.8)
XYZ	xyz(0.4411, 0.1953, 2.2045)
Luminance	0.0019 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#01012A #2A2A01

analogous

#01152A #01012A #15012A

triadic

#01012A #2A0101 #012A01

tetradic

#01012A #2A0115 #2A2A01 #012A15

square

#01012A #2A0115 #2A2A01 #012A15

split-complementary

#01012A #2A1501 #152A01

monochromatic

#01011E #01011E #01012A #020266 #0404A2

Accessibility & contrast

On white

20.21

#01012A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.04

#01012A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #01012A

20.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##01012A	#FFFFFF	#000000	##FFFFFF
##01012A	1.00	20.21	1.04	20.21
#FFFFFF	20.21	1.00	21.00	1.00
#000000	1.04	21.00	1.00	21.00
##FFFFFF	20.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00082B

Deuteranopia (green-blind)

#000529

Tritanopia (blue-blind)

#000C15

Achromatopsia (no color)

#060606

Design tokens & code

CSS

--color: #01012a;
/* rgb */ color: rgb(1, 1, 42);
/* oklch */ color: oklch(13.4% 0.086 266.8);

Tailwind

colors: {
  custom: {
    50: '#474764',
    500: '#01012a',
    950: '#000000',
  },
}

SCSS

$custom: #01012a;
$custom-light: #474764;
$custom-dark: #000000;

JSON

{
  "hex": "#01012a",
  "rgb": {
    "r": 1,
    "g": 1,
    "b": 42
  },
  "hsl": {
    "h": 240,
    "s": 95.349,
    "l": 8.431
  },
  "oklch": {
    "l": 0.13427,
    "c": 0.08551,
    "h": 266.8
  },
  "luminance": 0.00195
}

Semantic roles & 50–950 ramp

primary

#01012A

secondary

#707016

accent

#FF29FF

background

#F4F3F6

surface

#E6E5EB

border

#C2C1C6

text

#010005

muted

#77777A

Preview Lab

Preview with #01012A

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

Preview Lab → · Contrast checker → · Palette generator →