#05053F#05053F

#05053F is a very dark, moderate blue. Relative luminance 0.005; OKLCH L 18.2% C 0.105 H 269.5°. Best body text is #FFFFFF at 19.09:1 contrast (WCAG AA passes).

Color values

HEX	#05053F
RGB	rgb(5, 5, 63)
HSL	hsl(240, 85%, 13%)
HSV	hsv(240, 92%, 25%)
CMYK	cmyk(92.1%, 92.1%, 0%, 75.3%)
CIE-LAB	lab(4.51, 21.65, -35.01)
CIE-LCH	lch(4.51, 41.16, 301.73°)
OKLab	oklab(18.17% -0.0009 -0.1048)
OKLCH	oklch(18.17% 0.105 269.5)
XYZ	xyz(1.0138, 0.4996, 4.7447)
Luminance	0.0050 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Night Blue

#040348

ΔE00 2.54

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#05053F #3F3F05

analogous

#05223F #05053F #22053F

triadic

#05053F #3F0505 #053F05

tetradic

#05053F #3F0522 #3F3F05 #053F22

square

#05053F #3F0522 #3F3F05 #053F22

split-complementary

#05053F #3F2205 #223F05

monochromatic

#02021C #02021C #05053F #090978 #0E0EB0

Accessibility & contrast

On white

19.09

#05053F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.10

#05053F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #05053F

19.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##05053F	#FFFFFF	#000000	##FFFFFF
##05053F	1.00	19.09	1.10	19.09
#FFFFFF	19.09	1.00	21.00	1.00
#000000	1.10	21.00	1.00	21.00
##FFFFFF	19.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001341

Deuteranopia (green-blind)

#000C3E

Tritanopia (blue-blind)

#001722

Achromatopsia (no color)

#101010

Design tokens & code

CSS

--color: #05053f;
/* rgb */ color: rgb(5, 5, 63);
/* oklch */ color: oklch(18.2% 0.105 269.5);

Tailwind

colors: {
  custom: {
    50: '#514775',
    500: '#05053f',
    950: '#000000',
  },
}

SCSS

$custom: #05053f;
$custom-light: #514775;
$custom-dark: #000000;

JSON

{
  "hex": "#05053f",
  "rgb": {
    "r": 5,
    "g": 5,
    "b": 63
  },
  "hsl": {
    "h": 240,
    "s": 85.294,
    "l": 13.333
  },
  "oklch": {
    "l": 0.18167,
    "c": 0.10478,
    "h": 269.5
  },
  "luminance": 0.005
}

Semantic roles & 50–950 ramp

primary

#05053F

secondary

#808020

accent

#FC2CFC

background

#F4F4F7

surface

#E7E6ED

border

#C3C2C8

text

#030008

muted

#78777B

Preview Lab

Preview with #05053F

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

Preview Lab → · Contrast checker → · Palette generator →