#04072F#04072F

#04072F is a very dark, moderate blue. Relative luminance 0.004; OKLCH L 16.3% C 0.079 H 269.6°. Best body text is #FFFFFF at 19.51:1 contrast (WCAG AA passes).

Color values

HEX	#04072F
RGB	rgb(4, 7, 47)
HSL	hsl(236, 84%, 10%)
HSV	hsv(236, 91%, 18%)
CMYK	cmyk(91.5%, 85.1%, 0%, 81.6%)
CIE-LAB	lab(3.46, 11.27, -24.98)
CIE-LCH	lch(3.46, 27.40, 294.28°)
OKLab	oklab(16.31% -0.0005 -0.0789)
OKLCH	oklch(16.31% 0.079 269.6)
XYZ	xyz(0.6390, 0.3829, 2.7290)
Luminance	0.0038 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#04072F #2F2C04

analogous

#041C2F #04072F #17042F

triadic

#04072F #2F0407 #072F04

tetradic

#04072F #2F041C #2F2C04 #042F17

square

#04072F #2F041C #2F2C04 #042F17

split-complementary

#04072F #2F1704 #1C2F04

monochromatic

#02041C #02041C #04072F #090F67 #0E18A0

Accessibility & contrast

On white

19.51

#04072F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.08

#04072F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #04072F

19.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##04072F	#FFFFFF	#000000	##FFFFFF
##04072F	1.00	19.51	1.08	19.51
#FFFFFF	19.51	1.00	21.00	1.00
#000000	1.08	21.00	1.00	21.00
##FFFFFF	19.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000F30

Deuteranopia (green-blind)

#000A2E

Tritanopia (blue-blind)

#00121A

Achromatopsia (no color)

#0C0C0C

Design tokens & code

CSS

--color: #04072f;
/* rgb */ color: rgb(4, 7, 47);
/* oklch */ color: oklch(16.3% 0.079 269.6);

Tailwind

colors: {
  custom: {
    50: '#4a4968',
    500: '#04072f',
    950: '#000000',
  },
}

SCSS

$custom: #04072f;
$custom-light: #4a4968;
$custom-dark: #000000;

JSON

{
  "hex": "#04072f",
  "rgb": {
    "r": 4,
    "g": 7,
    "b": 47
  },
  "hsl": {
    "h": 235.814,
    "s": 84.314,
    "l": 10
  },
  "oklch": {
    "l": 0.16308,
    "c": 0.07889,
    "h": 269.6
  },
  "luminance": 0.00383
}

Semantic roles & 50–950 ramp

primary

#04072F

secondary

#726C1D

accent

#EC2DFB

background

#F4F4F6

surface

#E7E6EB

border

#C3C2C6

text

#010006

muted

#77777A

Preview Lab

Preview with #04072F

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

Preview Lab → · Contrast checker → · Palette generator →