#04072A#04072A

#04072A is a very dark, moderate blue. Relative luminance 0.003; OKLCH L 15.7% C 0.071 H 270.1°. Best body text is #FFFFFF at 19.64:1 contrast (WCAG AA passes).

Color values

HEX	#04072A
RGB	rgb(4, 7, 42)
HSL	hsl(235, 83%, 9%)
HSV	hsv(235, 90%, 16%)
CMYK	cmyk(90.5%, 83.3%, 0%, 83.5%)
CIE-LAB	lab(3.12, 8.85, -21.75)
CIE-LCH	lch(3.12, 23.48, 292.14°)
OKLab	oklab(15.67% 0.0001 -0.0709)
OKLCH	oklch(15.67% 0.071 270.1)
XYZ	xyz(0.5438, 0.3449, 2.2279)
Luminance	0.0034 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 4.80

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#04072A #2A2704

analogous

#041A2A #04072A #14042A

triadic

#04072A #2A0407 #072A04

tetradic

#04072A #2A041A #2A2704 #042A14

square

#04072A #2A041A #2A2704 #042A14

split-complementary

#04072A #2A1404 #1A2A04

monochromatic

#03051C #03051C #04072A #091062 #0F1A9A

Accessibility & contrast

On white

19.64

#04072A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.07

#04072A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #04072A

19.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##04072A	#FFFFFF	#000000	##FFFFFF
##04072A	1.00	19.64	1.07	19.64
#FFFFFF	19.64	1.00	21.00	1.00
#000000	1.07	21.00	1.00	21.00
##FFFFFF	19.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000D2B

Deuteranopia (green-blind)

#000929

Tritanopia (blue-blind)

#001017

Achromatopsia (no color)

#0B0B0B

Design tokens & code

CSS

--color: #04072a;
/* rgb */ color: rgb(4, 7, 42);
/* oklch */ color: oklch(15.7% 0.071 270.1);

Tailwind

colors: {
  custom: {
    50: '#494a64',
    500: '#04072a',
    950: '#000000',
  },
}

SCSS

$custom: #04072a;
$custom-light: #494a64;
$custom-dark: #000000;

JSON

{
  "hex": "#04072a",
  "rgb": {
    "r": 4,
    "g": 7,
    "b": 42
  },
  "hsl": {
    "h": 235.263,
    "s": 82.609,
    "l": 9.02
  },
  "oklch": {
    "l": 0.15671,
    "c": 0.07086,
    "h": 270.1
  },
  "luminance": 0.00345
}

Semantic roles & 50–950 ramp

primary

#04072A

secondary

#6D661D

accent

#E92FF9

background

#F4F4F5

surface

#E7E7EA

border

#C3C3C6

text

#010105

muted

#777779

Preview Lab

Preview with #04072A

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

Preview Lab → · Contrast checker → · Palette generator →