#01012D#01012D

#01012D is a very dark, moderate blue. Relative luminance 0.002; OKLCH L 13.9% C 0.090 H 266.5°. Best body text is #FFFFFF at 20.12:1 contrast (WCAG AA passes).

Color values

HEX	#01012D
RGB	rgb(1, 1, 45)
HSL	hsl(240, 96%, 9%)
HSV	hsv(240, 98%, 18%)
CMYK	cmyk(97.8%, 97.8%, 0%, 82.4%)
CIE-LAB	lab(1.97, 11.88, -25.85)
CIE-LCH	lch(1.97, 28.45, 294.68°)
OKLab	oklab(13.94% -0.0055 -0.0894)
OKLCH	oklch(13.94% 0.09 266.5)
XYZ	xyz(0.4969, 0.2176, 2.4979)
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

#01012D #2D2D01

analogous

#01172D #01012D #17012D

triadic

#01012D #2D0101 #012D01

tetradic

#01012D #2D0117 #2D2D01 #012D17

square

#01012D #2D0117 #2D2D01 #012D17

split-complementary

#01012D #2D1701 #172D01

monochromatic

#01011E #01011E #01012D #020269 #0404A5

Accessibility & contrast

On white

20.12

#01012D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.04

#01012D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #01012D

20.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##01012D	#FFFFFF	#000000	##FFFFFF
##01012D	1.00	20.12	1.04	20.12
#FFFFFF	20.12	1.00	21.00	1.00
#000000	1.04	21.00	1.00	21.00
##FFFFFF	20.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00092E

Deuteranopia (green-blind)

#00052C

Tritanopia (blue-blind)

#000D16

Achromatopsia (no color)

#070707

Design tokens & code

CSS

--color: #01012d;
/* rgb */ color: rgb(1, 1, 45);
/* oklch */ color: oklch(13.9% 0.090 266.5);

Tailwind

colors: {
  custom: {
    50: '#484766',
    500: '#01012d',
    950: '#000000',
  },
}

SCSS

$custom: #01012d;
$custom-light: #484766;
$custom-dark: #000000;

JSON

{
  "hex": "#01012d",
  "rgb": {
    "r": 1,
    "g": 1,
    "b": 45
  },
  "hsl": {
    "h": 240,
    "s": 95.652,
    "l": 9.02
  },
  "oklch": {
    "l": 0.13935,
    "c": 0.08958,
    "h": 266.5
  },
  "luminance": 0.00218
}

Semantic roles & 50–950 ramp

primary

#01012D

secondary

#737317

accent

#FF29FF

background

#F4F3F6

surface

#E7E5EB

border

#C3C1C6

text

#010006

muted

#77777A

Preview Lab

Preview with #01012D

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

Preview Lab → · Contrast checker → · Palette generator →