#01012C#01012C

#01012C is a very dark, moderate blue. Relative luminance 0.002; OKLCH L 13.8% C 0.088 H 266.6°. Best body text is #FFFFFF at 20.15:1 contrast (WCAG AA passes).

Color values

HEX	#01012C
RGB	rgb(1, 1, 44)
HSL	hsl(240, 96%, 9%)
HSV	hsv(240, 98%, 17%)
CMYK	cmyk(97.7%, 97.7%, 0%, 82.7%)
CIE-LAB	lab(1.90, 11.40, -25.20)
CIE-LCH	lch(1.90, 27.66, 294.34°)
OKLab	oklab(13.77% -0.0053 -0.0881)
OKLCH	oklch(13.77% 0.088 266.6)
XYZ	xyz(0.4778, 0.2099, 2.3977)
Luminance	0.0021 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#01012C #2C2C01

analogous

#01172C #01012C #17012C

triadic

#01012C #2C0101 #012C01

tetradic

#01012C #2C0117 #2C2C01 #012C17

square

#01012C #2C0117 #2C2C01 #012C17

split-complementary

#01012C #2C1701 #172C01

monochromatic

#01011E #01011E #01012C #020268 #0404A4

Accessibility & contrast

On white

20.15

#01012C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.04

#01012C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #01012C

20.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##01012C	#FFFFFF	#000000	##FFFFFF
##01012C	1.00	20.15	1.04	20.15
#FFFFFF	20.15	1.00	21.00	1.00
#000000	1.04	21.00	1.00	21.00
##FFFFFF	20.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00092D

Deuteranopia (green-blind)

#00052B

Tritanopia (blue-blind)

#000D16

Achromatopsia (no color)

#070707

Design tokens & code

CSS

--color: #01012c;
/* rgb */ color: rgb(1, 1, 44);
/* oklch */ color: oklch(13.8% 0.088 266.6);

Tailwind

colors: {
  custom: {
    50: '#484765',
    500: '#01012c',
    950: '#000000',
  },
}

SCSS

$custom: #01012c;
$custom-light: #484765;
$custom-dark: #000000;

JSON

{
  "hex": "#01012c",
  "rgb": {
    "r": 1,
    "g": 1,
    "b": 44
  },
  "hsl": {
    "h": 240,
    "s": 95.556,
    "l": 8.824
  },
  "oklch": {
    "l": 0.13766,
    "c": 0.08823,
    "h": 266.6
  },
  "luminance": 0.0021
}

Semantic roles & 50–950 ramp

primary

#01012C

secondary

#727217

accent

#FF29FF

background

#F4F3F6

surface

#E7E5EB

border

#C3C1C6

text

#010006

muted

#77777A

Preview Lab

Preview with #01012C

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

Preview Lab → · Contrast checker → · Palette generator →