#04065C#04065C

#04065C is a very dark, vivid blue. Relative luminance 0.009; OKLCH L 22.5% C 0.141 H 266.4°. Best body text is #FFFFFF at 17.71:1 contrast (WCAG AA passes).

Color values

HEX	#04065C
RGB	rgb(4, 6, 92)
HSL	hsl(239, 92%, 19%)
HSV	hsv(239, 96%, 36%)
CMYK	cmyk(95.7%, 93.5%, 0%, 63.9%)
CIE-LAB	lab(8.38, 34.01, -48.78)
CIE-LCH	lch(8.38, 59.46, 304.88°)
OKLab	oklab(22.51% -0.0089 -0.1412)
OKLCH	oklch(22.51% 0.141 266.4)
XYZ	xyz(2.0463, 0.9285, 10.1945)
Luminance	0.0093 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#04065C #5C5A04

analogous

#04325C #04065C #2E045C

triadic

#04065C #5C0406 #065C04

tetradic

#04065C #5C0432 #5C5A04 #045C2E

square

#04065C #5C0432 #5C5A04 #045C2E

split-complementary

#04065C #5C2E04 #325C04

monochromatic

#01021D #010221 #04065C #070A97 #090ED1

Accessibility & contrast

On white

17.71

#04065C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.19

#04065C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #04065C

17.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##04065C	#FFFFFF	#000000	##FFFFFF
##04065C	1.00	17.71	1.19	17.71
#FFFFFF	17.71	1.00	21.00	1.00
#000000	1.19	21.00	1.00	21.00
##FFFFFF	17.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001D5E

Deuteranopia (green-blind)

#00135B

Tritanopia (blue-blind)

#002434

Achromatopsia (no color)

#181818

Design tokens & code

CSS

--color: #04065c;
/* rgb */ color: rgb(4, 6, 92);
/* oklch */ color: oklch(22.5% 0.141 266.4);

Tailwind

colors: {
  custom: {
    50: '#5c498b',
    500: '#04065c',
    950: '#000000',
  },
}

SCSS

$custom: #04065c;
$custom-light: #5c498b;
$custom-dark: #000000;

JSON

{
  "hex": "#04065c",
  "rgb": {
    "r": 4,
    "g": 6,
    "b": 92
  },
  "hsl": {
    "h": 238.636,
    "s": 91.667,
    "l": 18.824
  },
  "oklch": {
    "l": 0.22513,
    "c": 0.14146,
    "h": 266.4
  },
  "luminance": 0.00929
}

Semantic roles & 50–950 ramp

primary

#04065C

secondary

#9A9722

accent

#FA29FF

background

#F5F4F8

surface

#EAE7F0

border

#C6C3CB

text

#05010C

muted

#79777D

Preview Lab

Preview with #04065C

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

Preview Lab → · Contrast checker → · Palette generator →