#050539#050539

#050539 is a very dark, moderate blue. Relative luminance 0.004; OKLCH L 17.3% C 0.096 H 270.4°. Best body text is #FFFFFF at 19.32:1 contrast (WCAG AA passes).

Color values

HEX	#050539
RGB	rgb(5, 5, 57)
HSL	hsl(240, 84%, 12%)
HSV	hsv(240, 91%, 22%)
CMYK	cmyk(91.2%, 91.2%, 0%, 77.6%)
CIE-LAB	lab(3.94, 18.05, -31.60)
CIE-LCH	lch(3.94, 36.39, 299.73°)
OKLab	oklab(17.31% 0.0006 -0.0964)
OKLCH	oklch(17.31% 0.096 270.4)
XYZ	xyz(0.8551, 0.4361, 3.9092)
Luminance	0.0044 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#050539 #393905

analogous

#051F39 #050539 #1F0539

triadic

#050539 #390505 #053905

tetradic

#050539 #39051F #393905 #05391F

square

#050539 #39051F #393905 #05391F

split-complementary

#050539 #391F05 #1F3905

monochromatic

#02021C #02021C #050539 #0A0A71 #0F0FAA

Accessibility & contrast

On white

19.32

#050539 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.09

#050539 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #050539

19.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##050539	#FFFFFF	#000000	##FFFFFF
##050539	1.00	19.32	1.09	19.32
#FFFFFF	19.32	1.00	21.00	1.00
#000000	1.09	21.00	1.00	21.00
##FFFFFF	19.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00113A

Deuteranopia (green-blind)

#000B38

Tritanopia (blue-blind)

#00151F

Achromatopsia (no color)

#0E0E0E

Design tokens & code

CSS

--color: #050539;
/* rgb */ color: rgb(5, 5, 57);
/* oklch */ color: oklch(17.3% 0.096 270.4);

Tailwind

colors: {
  custom: {
    50: '#4e4870',
    500: '#050539',
    950: '#000000',
  },
}

SCSS

$custom: #050539;
$custom-light: #4e4870;
$custom-dark: #000000;

JSON

{
  "hex": "#050539",
  "rgb": {
    "r": 5,
    "g": 5,
    "b": 57
  },
  "hsl": {
    "h": 240,
    "s": 83.871,
    "l": 12.157
  },
  "oklch": {
    "l": 0.17305,
    "c": 0.09643,
    "h": 270.4
  },
  "luminance": 0.00436
}

Semantic roles & 50–950 ramp

primary

#050539

secondary

#7A7A20

accent

#FA2EFA

background

#F4F4F6

surface

#E7E6EC

border

#C3C2C7

text

#020007

muted

#78777A

Preview Lab

Preview with #050539

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

Preview Lab → · Contrast checker → · Palette generator →