#00012C#00012C

#00012C is a very dark, moderate blue. Relative luminance 0.002; OKLCH L 13.6% C 0.089 H 264.2°. Best body text is #FFFFFF at 20.18:1 contrast (WCAG AA passes).

Color values

HEX	#00012C
RGB	rgb(0, 1, 44)
HSL	hsl(239, 100%, 9%)
HSV	hsv(239, 100%, 17%)
CMYK	cmyk(100%, 97.7%, 0%, 82.7%)
CIE-LAB	lab(1.84, 11.14, -25.30)
CIE-LCH	lch(1.84, 27.64, 293.76°)
OKLab	oklab(13.62% -0.009 -0.0889)
OKLCH	oklch(13.62% 0.089 264.2)
XYZ	xyz(0.4653, 0.2035, 2.3971)
Luminance	0.0020 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#00012C #2C2B00

analogous

#00172C #00012C #15002C

triadic

#00012C #2C0001 #012C00

tetradic

#00012C #2C0017 #2C2B00 #002C15

square

#00012C #2C0017 #2C2B00 #002C15

split-complementary

#00012C #2C1500 #172C00

monochromatic

#00011F #00011F #00012C #000269 #0004A6

Accessibility & contrast

On white

20.18

#00012C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.04

#00012C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #00012C

20.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##00012C	#FFFFFF	#000000	##FFFFFF
##00012C	1.00	20.18	1.04	20.18
#FFFFFF	20.18	1.00	21.00	1.00
#000000	1.04	21.00	1.00	21.00
##FFFFFF	20.18	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: #00012c;
/* rgb */ color: rgb(0, 1, 44);
/* oklch */ color: oklch(13.6% 0.089 264.2);

Tailwind

colors: {
  custom: {
    50: '#474765',
    500: '#00012c',
    950: '#000000',
  },
}

SCSS

$custom: #00012c;
$custom-light: #474765;
$custom-dark: #000000;

JSON

{
  "hex": "#00012c",
  "rgb": {
    "r": 0,
    "g": 1,
    "b": 44
  },
  "hsl": {
    "h": 238.636,
    "s": 100,
    "l": 8.627
  },
  "oklch": {
    "l": 0.13617,
    "c": 0.08932,
    "h": 264.2
  },
  "luminance": 0.00204
}

Semantic roles & 50–950 ramp

primary

#00012C

secondary

#737114

accent

#FA29FF

background

#F4F3F6

surface

#E6E5EB

border

#C2C1C6

text

#010006

muted

#77777A

Preview Lab

Preview with #00012C

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

Preview Lab → · Contrast checker → · Palette generator →