#05042A#05042A

#05042A is a very dark, moderate blue. Relative luminance 0.003; OKLCH L 14.9% C 0.076 H 273.9°. Best body text is #FFFFFF at 19.86:1 contrast (WCAG AA passes).

Color values

HEX	#05042A
RGB	rgb(5, 4, 42)
HSL	hsl(242, 83%, 9%)
HSV	hsv(242, 90%, 16%)
CMYK	cmyk(88.1%, 90.5%, 0%, 83.5%)
CIE-LAB	lab(2.59, 10.31, -22.58)
CIE-LCH	lch(2.59, 24.82, 294.55°)
OKLab	oklab(14.95% 0.0052 -0.0759)
OKLCH	oklch(14.95% 0.076 273.9)
XYZ	xyz(0.5238, 0.2862, 2.2177)
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

#05042A #292A04

analogous

#04162A #05042A #18042A

triadic

#05042A #2A0504 #042A05

tetradic

#05042A #2A0416 #292A04 #042A18

square

#05042A #2A0416 #292A04 #042A18

split-complementary

#05042A #2A1804 #162A04

monochromatic

#03031C #03031C #05042A #0C0962 #120F9A

Accessibility & contrast

On white

19.86

#05042A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.06

#05042A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #05042A

19.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##05042A	#FFFFFF	#000000	##FFFFFF
##05042A	1.00	19.86	1.06	19.86
#FFFFFF	19.86	1.00	21.00	1.00
#000000	1.06	21.00	1.00	21.00
##FFFFFF	19.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000B2B

Deuteranopia (green-blind)

#000829

Tritanopia (blue-blind)

#000E16

Achromatopsia (no color)

#090909

Design tokens & code

CSS

--color: #05042a;
/* rgb */ color: rgb(5, 4, 42);
/* oklch */ color: oklch(14.9% 0.076 273.9);

Tailwind

colors: {
  custom: {
    50: '#494864',
    500: '#05042a',
    950: '#000000',
  },
}

SCSS

$custom: #05042a;
$custom-light: #494864;
$custom-dark: #000000;

JSON

{
  "hex": "#05042a",
  "rgb": {
    "r": 5,
    "g": 4,
    "b": 42
  },
  "hsl": {
    "h": 241.579,
    "s": 82.609,
    "l": 9.02
  },
  "oklch": {
    "l": 0.14945,
    "c": 0.07604,
    "h": 273.9
  },
  "luminance": 0.00286
}

Semantic roles & 50–950 ramp

primary

#05042A

secondary

#6B6D1D

accent

#F92FF4

background

#F4F4F5

surface

#E7E6EA

border

#C3C2C6

text

#010005

muted

#777779

Preview Lab

Preview with #05042A

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

Preview Lab → · Contrast checker → · Palette generator →