#05052A#05052A

#05052A is a very dark, moderate blue. Relative luminance 0.003; OKLCH L 15.2% C 0.074 H 273.3°. Best body text is #FFFFFF at 19.78:1 contrast (WCAG AA passes).

Color values

HEX	#05052A
RGB	rgb(5, 5, 42)
HSL	hsl(240, 79%, 9%)
HSV	hsv(240, 88%, 16%)
CMYK	cmyk(88.1%, 88.1%, 0%, 83.5%)
CIE-LAB	lab(2.78, 9.91, -22.27)
CIE-LCH	lch(2.78, 24.37, 293.99°)
OKLab	oklab(15.23% 0.0042 -0.0739)
OKLCH	oklch(15.23% 0.074 273.3)
XYZ	xyz(0.5346, 0.3079, 2.2213)
Luminance	0.0031 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#05052A #2A2A05

analogous

#05182A #05052A #18052A

triadic

#05052A #2A0505 #052A05

tetradic

#05052A #2A0518 #2A2A05 #052A18

square

#05052A #2A0518 #2A2A05 #052A18

split-complementary

#05052A #2A1805 #182A05

monochromatic

#03031B #03031B #05052A #0C0C61 #121297

Accessibility & contrast

On white

19.78

#05052A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.06

#05052A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #05052A

19.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##05052A	#FFFFFF	#000000	##FFFFFF
##05052A	1.00	19.78	1.06	19.78
#FFFFFF	19.78	1.00	21.00	1.00
#000000	1.06	21.00	1.00	21.00
##FFFFFF	19.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000C2B

Deuteranopia (green-blind)

#000829

Tritanopia (blue-blind)

#000F16

Achromatopsia (no color)

#0A0A0A

Design tokens & code

CSS

--color: #05052a;
/* rgb */ color: rgb(5, 5, 42);
/* oklch */ color: oklch(15.2% 0.074 273.3);

Tailwind

colors: {
  custom: {
    50: '#494964',
    500: '#05052a',
    950: '#000000',
  },
}

SCSS

$custom: #05052a;
$custom-light: #494964;
$custom-dark: #000000;

JSON

{
  "hex": "#05052a",
  "rgb": {
    "r": 5,
    "g": 5,
    "b": 42
  },
  "hsl": {
    "h": 240,
    "s": 78.723,
    "l": 9.216
  },
  "oklch": {
    "l": 0.15233,
    "c": 0.07404,
    "h": 273.3
  },
  "luminance": 0.00308
}

Semantic roles & 50–950 ramp

primary

#05052A

secondary

#6C6C1F

accent

#F533F5

background

#F4F4F5

surface

#E7E6EA

border

#C3C2C6

text

#010005

muted

#777779

Preview Lab

Preview with #05052A

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

Preview Lab → · Contrast checker → · Palette generator →