#04072C#04072C

#04072C is a very dark, moderate blue. Relative luminance 0.004; OKLCH L 15.9% C 0.074 H 269.9°. Best body text is #FFFFFF at 19.59:1 contrast (WCAG AA passes).

Color values

HEX	#04072C
RGB	rgb(4, 7, 44)
HSL	hsl(236, 83%, 9%)
HSV	hsv(236, 91%, 17%)
CMYK	cmyk(90.9%, 84.1%, 0%, 82.7%)
CIE-LAB	lab(3.25, 9.78, -23.05)
CIE-LCH	lch(3.25, 25.04, 292.98°)
OKLab	oklab(15.92% -0.0001 -0.0741)
OKLCH	oklch(15.92% 0.074 269.9)
XYZ	xyz(0.5805, 0.3596, 2.4212)
Luminance	0.0036 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 4.12

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#04072C #2C2904

analogous

#041B2C #04072C #15042C

triadic

#04072C #2C0407 #072C04

tetradic

#04072C #2C041B #2C2904 #042C15

square

#04072C #2C041B #2C2904 #042C15

split-complementary

#04072C #2C1504 #1B2C04

monochromatic

#03041C #03041C #04072C #091064 #0E199C

Accessibility & contrast

On white

19.59

#04072C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.07

#04072C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #04072C

19.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##04072C	#FFFFFF	#000000	##FFFFFF
##04072C	1.00	19.59	1.07	19.59
#FFFFFF	19.59	1.00	21.00	1.00
#000000	1.07	21.00	1.00	21.00
##FFFFFF	19.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000E2D

Deuteranopia (green-blind)

#000A2B

Tritanopia (blue-blind)

#001118

Achromatopsia (no color)

#0C0C0C

Design tokens & code

CSS

--color: #04072c;
/* rgb */ color: rgb(4, 7, 44);
/* oklch */ color: oklch(15.9% 0.074 269.9);

Tailwind

colors: {
  custom: {
    50: '#494a65',
    500: '#04072c',
    950: '#000000',
  },
}

SCSS

$custom: #04072c;
$custom-light: #494a65;
$custom-dark: #000000;

JSON

{
  "hex": "#04072c",
  "rgb": {
    "r": 4,
    "g": 7,
    "b": 44
  },
  "hsl": {
    "h": 235.5,
    "s": 83.333,
    "l": 9.412
  },
  "oklch": {
    "l": 0.15923,
    "c": 0.07412,
    "h": 269.9
  },
  "luminance": 0.0036
}

Semantic roles & 50–950 ramp

primary

#04072C

secondary

#6F691D

accent

#EA2EFA

background

#F4F4F6

surface

#E7E6EB

border

#C3C2C6

text

#010105

muted

#77777A

Preview Lab

Preview with #04072C

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

Preview Lab → · Contrast checker → · Palette generator →