#05063B#05063B

#05063B is a very dark, moderate blue. Relative luminance 0.005; OKLCH L 17.8% C 0.098 H 269.8°. Best body text is #FFFFFF at 19.17:1 contrast (WCAG AA passes).

Color values

HEX	#05063B
RGB	rgb(5, 6, 59)
HSL	hsl(239, 84%, 13%)
HSV	hsv(239, 92%, 23%)
CMYK	cmyk(91.5%, 89.8%, 0%, 76.9%)
CIE-LAB	lab(4.32, 18.85, -32.44)
CIE-LCH	lch(4.32, 37.52, 300.17°)
OKLab	oklab(17.8% -0.0003 -0.0978)
OKLCH	oklch(17.8% 0.098 269.8)
XYZ	xyz(0.9169, 0.4782, 4.1808)
Luminance	0.0048 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#05063B #3B3A05

analogous

#05213B #05063B #1F053B

triadic

#05063B #3B0506 #063B05

tetradic

#05063B #3B0521 #3B3A05 #053B1F

square

#05063B #3B0521 #3B3A05 #053B1F

split-complementary

#05063B #3B1F05 #213B05

monochromatic

#02031C #02031C #05063B #0A0C73 #0F11AC

Accessibility & contrast

On white

19.17

#05063B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.10

#05063B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #05063B

19.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##05063B	#FFFFFF	#000000	##FFFFFF
##05063B	1.00	19.17	1.10	19.17
#FFFFFF	19.17	1.00	21.00	1.00
#000000	1.10	21.00	1.00	21.00
##FFFFFF	19.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00123C

Deuteranopia (green-blind)

#000C3A

Tritanopia (blue-blind)

#001620

Achromatopsia (no color)

#0F0F0F

Design tokens & code

CSS

--color: #05063b;
/* rgb */ color: rgb(5, 6, 59);
/* oklch */ color: oklch(17.8% 0.098 269.8);

Tailwind

colors: {
  custom: {
    50: '#4f4872',
    500: '#05063b',
    950: '#000000',
  },
}

SCSS

$custom: #05063b;
$custom-light: #4f4872;
$custom-dark: #000000;

JSON

{
  "hex": "#05063b",
  "rgb": {
    "r": 5,
    "g": 6,
    "b": 59
  },
  "hsl": {
    "h": 238.889,
    "s": 84.375,
    "l": 12.549
  },
  "oklch": {
    "l": 0.178,
    "c": 0.09783,
    "h": 269.8
  },
  "luminance": 0.00478
}

Semantic roles & 50–950 ramp

primary

#05063B

secondary

#7C7A20

accent

#F72DFB

background

#F4F4F6

surface

#E7E6EC

border

#C3C2C7

text

#020008

muted

#78777B

Preview Lab

Preview with #05063B

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

Preview Lab → · Contrast checker → · Palette generator →