#050540#050540

#050540 is a very dark, moderate blue. Relative luminance 0.005; OKLCH L 18.3% C 0.106 H 269.4°. Best body text is #FFFFFF at 19.05:1 contrast (WCAG AA passes).

Color values

HEX	#050540
RGB	rgb(5, 5, 64)
HSL	hsl(240, 86%, 14%)
HSV	hsv(240, 92%, 25%)
CMYK	cmyk(92.2%, 92.2%, 0%, 74.9%)
CIE-LAB	lab(4.61, 22.22, -35.56)
CIE-LCH	lch(4.61, 41.94, 302.00°)
OKLab	oklab(18.31% -0.0011 -0.1061)
OKLCH	oklch(18.31% 0.106 269.4)
XYZ	xyz(1.0420, 0.5108, 4.8932)
Luminance	0.0051 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Night Blue

#040348

ΔE00 2.27

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#050540 #404005

analogous

#052240 #050540 #220540

triadic

#050540 #400505 #054005

tetradic

#050540 #400522 #404005 #054022

square

#050540 #400522 #404005 #054022

split-complementary

#050540 #402205 #224005

monochromatic

#02021C #02021C #050540 #090979 #0E0EB2

Accessibility & contrast

On white

19.05

#050540 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.10

#050540 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #050540

19.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##050540	#FFFFFF	#000000	##FFFFFF
##050540	1.00	19.05	1.10	19.05
#FFFFFF	19.05	1.00	21.00	1.00
#000000	1.10	21.00	1.00	21.00
##FFFFFF	19.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001342

Deuteranopia (green-blind)

#000D3F

Tritanopia (blue-blind)

#001823

Achromatopsia (no color)

#101010

Design tokens & code

CSS

--color: #050540;
/* rgb */ color: rgb(5, 5, 64);
/* oklch */ color: oklch(18.3% 0.106 269.4);

Tailwind

colors: {
  custom: {
    50: '#524776',
    500: '#050540',
    950: '#000000',
  },
}

SCSS

$custom: #050540;
$custom-light: #524776;
$custom-dark: #000000;

JSON

{
  "hex": "#050540",
  "rgb": {
    "r": 5,
    "g": 5,
    "b": 64
  },
  "hsl": {
    "h": 240,
    "s": 85.507,
    "l": 13.529
  },
  "oklch": {
    "l": 0.18312,
    "c": 0.10615,
    "h": 269.4
  },
  "luminance": 0.00511
}

Semantic roles & 50–950 ramp

primary

#050540

secondary

#818120

accent

#FC2CFC

background

#F5F4F7

surface

#E8E6ED

border

#C4C2C8

text

#030008

muted

#78777B

Preview Lab

Preview with #050540

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

Preview Lab → · Contrast checker → · Palette generator →