#05043A#05043A

#05043A is a very dark, moderate blue. Relative luminance 0.004; OKLCH L 17.2% C 0.099 H 270.4°. Best body text is #FFFFFF at 19.35:1 contrast (WCAG AA passes).

Color values

HEX	#05043A
RGB	rgb(5, 4, 58)
HSL	hsl(241, 87%, 12%)
HSV	hsv(241, 93%, 23%)
CMYK	cmyk(91.4%, 93.1%, 0%, 77.3%)
CIE-LAB	lab(3.83, 19.08, -32.50)
CIE-LCH	lch(3.83, 37.69, 300.41°)
OKLab	oklab(17.23% 0.0008 -0.0993)
OKLCH	oklch(17.23% 0.099 270.4)
XYZ	xyz(0.8695, 0.4245, 4.0383)
Luminance	0.0043 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#05043A #393A04

analogous

#041E3A #05043A #20043A

triadic

#05043A #3A0504 #043A05

tetradic

#05043A #3A041E #393A04 #043A20

square

#05043A #3A041E #393A04 #043A20

split-complementary

#05043A #3A2004 #1E3A04

monochromatic

#02021D #02021D #05043A #0A0873 #0F0CAD

Accessibility & contrast

On white

19.35

#05043A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.09

#05043A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #05043A

19.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##05043A	#FFFFFF	#000000	##FFFFFF
##05043A	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)

#00103B

Deuteranopia (green-blind)

#000B39

Tritanopia (blue-blind)

#00151F

Achromatopsia (no color)

#0E0E0E

Design tokens & code

CSS

--color: #05043a;
/* rgb */ color: rgb(5, 4, 58);
/* oklch */ color: oklch(17.2% 0.099 270.4);

Tailwind

colors: {
  custom: {
    50: '#4f4771',
    500: '#05043a',
    950: '#000000',
  },
}

SCSS

$custom: #05043a;
$custom-light: #4f4771;
$custom-dark: #000000;

JSON

{
  "hex": "#05043a",
  "rgb": {
    "r": 5,
    "g": 4,
    "b": 58
  },
  "hsl": {
    "h": 241.111,
    "s": 87.097,
    "l": 12.157
  },
  "oklch": {
    "l": 0.17229,
    "c": 0.09932,
    "h": 270.4
  },
  "luminance": 0.00425
}

Semantic roles & 50–950 ramp

primary

#05043A

secondary

#7A7C1E

accent

#FD2BF9

background

#F4F4F6

surface

#E7E6EC

border

#C3C2C7

text

#020008

muted

#78777B

Preview Lab

Preview with #05043A

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

Preview Lab → · Contrast checker → · Palette generator →