#04012C#04012C

#04012C is a very dark, moderate blue. Relative luminance 0.002; OKLCH L 14.2% C 0.086 H 273.0°. Best body text is #FFFFFF at 20.08:1 contrast (WCAG AA passes).

Color values

HEX	#04012C
RGB	rgb(4, 1, 44)
HSL	hsl(244, 96%, 9%)
HSV	hsv(244, 98%, 17%)
CMYK	cmyk(90.9%, 97.7%, 0%, 82.7%)
CIE-LAB	lab(2.07, 12.19, -24.92)
CIE-LCH	lch(2.07, 27.74, 296.06°)
OKLab	oklab(14.19% 0.0045 -0.0858)
OKLCH	oklch(14.19% 0.086 273)
XYZ	xyz(0.5154, 0.2293, 2.3995)
Luminance	0.0023 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#04012C #292C01

analogous

#01142C #04012C #1A012C

triadic

#04012C #2C0401 #012C04

tetradic

#04012C #2C0114 #292C01 #012C1A

square

#04012C #2C0114 #292C01 #012C1A

split-complementary

#04012C #2C1A01 #142C01

monochromatic

#03011E #03011E #04012C #090268 #0F04A4

Accessibility & contrast

On white

20.08

#04012C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.05

#04012C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #04012C

20.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##04012C	#FFFFFF	#000000	##FFFFFF
##04012C	1.00	20.08	1.05	20.08
#FFFFFF	20.08	1.00	21.00	1.00
#000000	1.05	21.00	1.00	21.00
##FFFFFF	20.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00092D

Deuteranopia (green-blind)

#00062B

Tritanopia (blue-blind)

#000D16

Achromatopsia (no color)

#080808

Design tokens & code

CSS

--color: #04012c;
/* rgb */ color: rgb(4, 1, 44);
/* oklch */ color: oklch(14.2% 0.086 273.0);

Tailwind

colors: {
  custom: {
    50: '#494765',
    500: '#04012c',
    950: '#000000',
  },
}

SCSS

$custom: #04012c;
$custom-light: #494765;
$custom-dark: #000000;

JSON

{
  "hex": "#04012c",
  "rgb": {
    "r": 4,
    "g": 1,
    "b": 44
  },
  "hsl": {
    "h": 244.186,
    "s": 95.556,
    "l": 8.824
  },
  "oklch": {
    "l": 0.14187,
    "c": 0.08593,
    "h": 273
  },
  "luminance": 0.00229
}

Semantic roles & 50–950 ramp

primary

#04012C

secondary

#6C7217

accent

#FF29F0

background

#F4F3F6

surface

#E7E5EB

border

#C3C1C6

text

#010006

muted

#77777A

Preview Lab

Preview with #04012C

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

Preview Lab → · Contrast checker → · Palette generator →