#050528#050528

#050528 is a very dark, moderate blue. Relative luminance 0.003; OKLCH L 15.0% C 0.071 H 273.7°. Best body text is #FFFFFF at 19.83:1 contrast (WCAG AA passes).

Color values

HEX	#050528
RGB	rgb(5, 5, 40)
HSL	hsl(240, 78%, 9%)
HSV	hsv(240, 88%, 16%)
CMYK	cmyk(87.5%, 87.5%, 0%, 84.3%)
CIE-LAB	lab(2.66, 9.02, -20.93)
CIE-LCH	lch(2.66, 22.79, 293.32°)
OKLab	oklab(14.97% 0.0046 -0.0707)
OKLCH	oklch(14.97% 0.071 273.7)
XYZ	xyz(0.4997, 0.2940, 2.0375)
Luminance	0.0029 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#050528 #282805

analogous

#051728 #050528 #170528

triadic

#050528 #280505 #052805

tetradic

#050528 #280517 #282805 #052817

square

#050528 #280517 #282805 #052817

split-complementary

#050528 #281705 #172805

monochromatic

#03031B #03031B #050528 #0C0C5E #131395

Accessibility & contrast

On white

19.83

#050528 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.06

#050528 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #050528

19.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##050528	#FFFFFF	#000000	##FFFFFF
##050528	1.00	19.83	1.06	19.83
#FFFFFF	19.83	1.00	21.00	1.00
#000000	1.06	21.00	1.00	21.00
##FFFFFF	19.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000B29

Deuteranopia (green-blind)

#000827

Tritanopia (blue-blind)

#000E15

Achromatopsia (no color)

#0A0A0A

Design tokens & code

CSS

--color: #050528;
/* rgb */ color: rgb(5, 5, 40);
/* oklch */ color: oklch(15.0% 0.071 273.7);

Tailwind

colors: {
  custom: {
    50: '#494962',
    500: '#050528',
    950: '#000000',
  },
}

SCSS

$custom: #050528;
$custom-light: #494962;
$custom-dark: #000000;

JSON

{
  "hex": "#050528",
  "rgb": {
    "r": 5,
    "g": 5,
    "b": 40
  },
  "hsl": {
    "h": 240,
    "s": 77.778,
    "l": 8.824
  },
  "oklch": {
    "l": 0.14971,
    "c": 0.07085,
    "h": 273.7
  },
  "luminance": 0.00294
}

Semantic roles & 50–950 ramp

primary

#050528

secondary

#6A6A1F

accent

#F434F4

background

#F4F4F5

surface

#E7E6EA

border

#C3C2C6

text

#010005

muted

#777779

Preview Lab

Preview with #050528

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

Preview Lab → · Contrast checker → · Palette generator →