#050440#050440

#050440 is a very dark, moderate blue. Relative luminance 0.005; OKLCH L 18.1% C 0.107 H 269.5°. Best body text is #FFFFFF at 19.13:1 contrast (WCAG AA passes).

Color values

HEX	#050440
RGB	rgb(5, 4, 64)
HSL	hsl(241, 88%, 13%)
HSV	hsv(241, 94%, 25%)
CMYK	cmyk(92.2%, 93.8%, 0%, 74.9%)
CIE-LAB	lab(4.42, 22.68, -35.89)
CIE-LCH	lch(4.42, 42.45, 302.29°)
OKLab	oklab(18.11% -0.0009 -0.1075)
OKLCH	oklch(18.11% 0.107 269.5)
XYZ	xyz(1.0311, 0.4891, 4.8896)
Luminance	0.0049 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Night Blue

#040348

ΔE00 2.10

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#050440 #3F4004

analogous

#042140 #050440 #230440

triadic

#050440 #400504 #044005

tetradic

#050440 #400421 #3F4004 #044023

square

#050440 #400421 #3F4004 #044023

split-complementary

#050440 #402304 #214004

monochromatic

#02021D #02021D #050440 #0A087A #0E0BB3

Accessibility & contrast

On white

19.13

#050440 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.10

#050440 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #050440

19.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##050440	#FFFFFF	#000000	##FFFFFF
##050440	1.00	19.13	1.10	19.13
#FFFFFF	19.13	1.00	21.00	1.00
#000000	1.10	21.00	1.00	21.00
##FFFFFF	19.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001242

Deuteranopia (green-blind)

#000C3F

Tritanopia (blue-blind)

#001723

Achromatopsia (no color)

#0F0F0F

Design tokens & code

CSS

--color: #050440;
/* rgb */ color: rgb(5, 4, 64);
/* oklch */ color: oklch(18.1% 0.107 269.5);

Tailwind

colors: {
  custom: {
    50: '#524776',
    500: '#050440',
    950: '#000000',
  },
}

SCSS

$custom: #050440;
$custom-light: #524776;
$custom-dark: #000000;

JSON

{
  "hex": "#050440",
  "rgb": {
    "r": 5,
    "g": 4,
    "b": 64
  },
  "hsl": {
    "h": 241,
    "s": 88.235,
    "l": 13.333
  },
  "oklch": {
    "l": 0.18114,
    "c": 0.10748,
    "h": 269.5
  },
  "luminance": 0.00489
}

Semantic roles & 50–950 ramp

primary

#050440

secondary

#80811F

accent

#FE29FB

background

#F5F4F7

surface

#E8E6ED

border

#C4C2C8

text

#030008

muted

#78777B

Preview Lab

Preview with #050440

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

Preview Lab → · Contrast checker → · Palette generator →