#04092F#04092F

#04092F is a very dark, moderate blue. Relative luminance 0.004; OKLCH L 16.8% C 0.076 H 268.6°. Best body text is #FFFFFF at 19.35:1 contrast (WCAG AA passes).

Color values

HEX	#04092F
RGB	rgb(4, 9, 47)
HSL	hsl(233, 84%, 10%)
HSV	hsv(233, 91%, 18%)
CMYK	cmyk(91.5%, 80.9%, 0%, 81.6%)
CIE-LAB	lab(3.85, 10.47, -24.36)
CIE-LCH	lch(3.85, 26.51, 293.26°)
OKLab	oklab(16.79% -0.0019 -0.0757)
OKLCH	oklch(16.79% 0.076 268.6)
XYZ	xyz(0.6607, 0.4263, 2.7362)
Luminance	0.0043 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 3.60

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#04092F #2F2A04

analogous

#041F2F #04092F #14042F

triadic

#04092F #2F0409 #092F04

tetradic

#04092F #2F041F #2F2A04 #042F14

square

#04092F #2F041F #2F2A04 #042F14

split-complementary

#04092F #2F1404 #1F2F04

monochromatic

#02051C #02051C #04092F #091467 #0E1FA0

Accessibility & contrast

On white

19.35

#04092F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.09

#04092F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #04092F

19.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##04092F	#FFFFFF	#000000	##FFFFFF
##04092F	1.00	19.35	1.09	19.35
#FFFFFF	19.35	1.00	21.00	1.00
#000000	1.09	21.00	1.00	21.00
##FFFFFF	19.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001030

Deuteranopia (green-blind)

#000C2E

Tritanopia (blue-blind)

#00131A

Achromatopsia (no color)

#0E0E0E

Design tokens & code

CSS

--color: #04092f;
/* rgb */ color: rgb(4, 9, 47);
/* oklch */ color: oklch(16.8% 0.076 268.6);

Tailwind

colors: {
  custom: {
    50: '#4a4a68',
    500: '#04092f',
    950: '#000000',
  },
}

SCSS

$custom: #04092f;
$custom-light: #4a4a68;
$custom-dark: #000000;

JSON

{
  "hex": "#04092f",
  "rgb": {
    "r": 4,
    "g": 9,
    "b": 47
  },
  "hsl": {
    "h": 233.023,
    "s": 84.314,
    "l": 10
  },
  "oklch": {
    "l": 0.16787,
    "c": 0.07573,
    "h": 268.6
  },
  "luminance": 0.00426
}

Semantic roles & 50–950 ramp

primary

#04092F

secondary

#72681D

accent

#E32DFB

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#010106

muted

#77777A

Preview Lab

Preview with #04092F

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

Preview Lab → · Contrast checker → · Palette generator →