#050538#050538

#050538 is a very dark, moderate blue. Relative luminance 0.004; OKLCH L 17.2% C 0.095 H 270.5°. Best body text is #FFFFFF at 19.35:1 contrast (WCAG AA passes).

Color values

HEX	#050538
RGB	rgb(5, 5, 56)
HSL	hsl(240, 84%, 12%)
HSV	hsv(240, 91%, 22%)
CMYK	cmyk(91.1%, 91.1%, 0%, 78%)
CIE-LAB	lab(3.85, 17.42, -31.02)
CIE-LCH	lch(3.85, 35.57, 299.32°)
OKLab	oklab(17.16% 0.0008 -0.095)
OKLCH	oklch(17.16% 0.095 270.5)
XYZ	xyz(0.8304, 0.4262, 3.7791)
Luminance	0.0043 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#050538 #383805

analogous

#051F38 #050538 #1F0538

triadic

#050538 #380505 #053805

tetradic

#050538 #38051F #383805 #05381F

square

#050538 #38051F #383805 #05381F

split-complementary

#050538 #381F05 #1F3805

monochromatic

#03031C #03031C #050538 #0A0A70 #0F0FA8

Accessibility & contrast

On white

19.35

#050538 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.09

#050538 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #050538

19.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##050538	#FFFFFF	#000000	##FFFFFF
##050538	1.00	19.35	1.09	19.35
#FFFFFF	19.35	1.00	21.00	1.00
#000000	1.09	21.00	1.00	21.00
##FFFFFF	19.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001039

Deuteranopia (green-blind)

#000B37

Tritanopia (blue-blind)

#00141E

Achromatopsia (no color)

#0E0E0E

Design tokens & code

CSS

--color: #050538;
/* rgb */ color: rgb(5, 5, 56);
/* oklch */ color: oklch(17.2% 0.095 270.5);

Tailwind

colors: {
  custom: {
    50: '#4e486f',
    500: '#050538',
    950: '#000000',
  },
}

SCSS

$custom: #050538;
$custom-light: #4e486f;
$custom-dark: #000000;

JSON

{
  "hex": "#050538",
  "rgb": {
    "r": 5,
    "g": 5,
    "b": 56
  },
  "hsl": {
    "h": 240,
    "s": 83.607,
    "l": 11.961
  },
  "oklch": {
    "l": 0.17162,
    "c": 0.095,
    "h": 270.5
  },
  "luminance": 0.00426
}

Semantic roles & 50–950 ramp

primary

#050538

secondary

#797920

accent

#FA2EFA

background

#F4F4F6

surface

#E7E6EC

border

#C3C2C7

text

#020007

muted

#78777A

Preview Lab

Preview with #050538

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

Preview Lab → · Contrast checker → · Palette generator →