#04093B#04093B

#04093B is a very dark, moderate blue. Relative luminance 0.005; OKLCH L 18.3% C 0.094 H 268.0°. Best body text is #FFFFFF at 18.96:1 contrast (WCAG AA passes).

Color values

HEX	#04093B
RGB	rgb(4, 9, 59)
HSL	hsl(235, 87%, 12%)
HSV	hsv(235, 93%, 23%)
CMYK	cmyk(93.2%, 84.7%, 0%, 76.9%)
CIE-LAB	lab(4.85, 17.34, -31.58)
CIE-LCH	lch(4.85, 36.03, 298.77°)
OKLab	oklab(18.32% -0.0034 -0.0942)
OKLCH	oklch(18.32% 0.094 268)
XYZ	xyz(0.9369, 0.5368, 4.1911)
Luminance	0.0054 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#04093B #3B3604

analogous

#04253B #04093B #1A043B

triadic

#04093B #3B0409 #093B04

tetradic

#04093B #3B0425 #3B3604 #043B1A

square

#04093B #3B0425 #3B3604 #043B1A

split-complementary

#04093B #3B1A04 #253B04

monochromatic

#02041D #02041D #04093B #081274 #0C1AAE

Accessibility & contrast

On white

18.96

#04093B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.11

#04093B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #04093B

18.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##04093B	#FFFFFF	#000000	##FFFFFF
##04093B	1.00	18.96	1.11	18.96
#FFFFFF	18.96	1.00	21.00	1.00
#000000	1.11	21.00	1.00	21.00
##FFFFFF	18.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00133C

Deuteranopia (green-blind)

#000E3A

Tritanopia (blue-blind)

#001821

Achromatopsia (no color)

#101010

Design tokens & code

CSS

--color: #04093b;
/* rgb */ color: rgb(4, 9, 59);
/* oklch */ color: oklch(18.3% 0.094 268.0);

Tailwind

colors: {
  custom: {
    50: '#4f4a71',
    500: '#04093b',
    950: '#000000',
  },
}

SCSS

$custom: #04093b;
$custom-light: #4f4a71;
$custom-dark: #000000;

JSON

{
  "hex": "#04093b",
  "rgb": {
    "r": 4,
    "g": 9,
    "b": 59
  },
  "hsl": {
    "h": 234.545,
    "s": 87.302,
    "l": 12.353
  },
  "oklch": {
    "l": 0.18321,
    "c": 0.09429,
    "h": 268
  },
  "luminance": 0.00537
}

Semantic roles & 50–950 ramp

primary

#04093B

secondary

#7D741E

accent

#EA2AFD

background

#F4F4F6

surface

#E7E7EC

border

#C3C3C7

text

#020108

muted

#78777B

Preview Lab

Preview with #04093B

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

Preview Lab → · Contrast checker → · Palette generator →