#04062B#04062B

#04062B is a very dark, moderate blue. Relative luminance 0.003; OKLCH L 15.5% C 0.074 H 270.6°. Best body text is #FFFFFF at 19.70:1 contrast (WCAG AA passes).

Color values

HEX	#04062B
RGB	rgb(4, 6, 43)
HSL	hsl(237, 83%, 9%)
HSV	hsv(237, 91%, 17%)
CMYK	cmyk(90.7%, 86%, 0%, 83.1%)
CIE-LAB	lab(2.98, 9.71, -22.71)
CIE-LCH	lch(2.98, 24.70, 293.15°)
OKLab	oklab(15.53% 0.0008 -0.0743)
OKLCH	oklch(15.53% 0.074 270.6)
XYZ	xyz(0.5511, 0.3304, 2.3198)
Luminance	0.0033 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#04062B #2B2904

analogous

#041A2B #04062B #16042B

triadic

#04062B #2B0406 #062B04

tetradic

#04062B #2B041A #2B2904 #042B16

square

#04062B #2B041A #2B2904 #042B16

split-complementary

#04062B #2B1604 #1A2B04

monochromatic

#03041C #03041C #04062B #090E63 #0E169B

Accessibility & contrast

On white

19.70

#04062B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.07

#04062B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #04062B

19.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##04062B	#FFFFFF	#000000	##FFFFFF
##04062B	1.00	19.70	1.07	19.70
#FFFFFF	19.70	1.00	21.00	1.00
#000000	1.07	21.00	1.00	21.00
##FFFFFF	19.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000D2C

Deuteranopia (green-blind)

#00092A

Tritanopia (blue-blind)

#001017

Achromatopsia (no color)

#0B0B0B

Design tokens & code

CSS

--color: #04062b;
/* rgb */ color: rgb(4, 6, 43);
/* oklch */ color: oklch(15.5% 0.074 270.6);

Tailwind

colors: {
  custom: {
    50: '#494964',
    500: '#04062b',
    950: '#000000',
  },
}

SCSS

$custom: #04062b;
$custom-light: #494964;
$custom-dark: #000000;

JSON

{
  "hex": "#04062b",
  "rgb": {
    "r": 4,
    "g": 6,
    "b": 43
  },
  "hsl": {
    "h": 236.923,
    "s": 82.979,
    "l": 9.216
  },
  "oklch": {
    "l": 0.15529,
    "c": 0.07428,
    "h": 270.6
  },
  "luminance": 0.0033
}

Semantic roles & 50–950 ramp

primary

#04062B

secondary

#6E6A1D

accent

#EF2EF9

background

#F4F4F6

surface

#E7E6EB

border

#C3C2C6

text

#010005

muted

#77777A

Preview Lab

Preview with #04062B

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

Preview Lab → · Contrast checker → · Palette generator →