#00052C#00052C

#00052C is a very dark, moderate blue. Relative luminance 0.003; OKLCH L 14.9% C 0.081 H 263.6°. Best body text is #FFFFFF at 19.85:1 contrast (WCAG AA passes).

Color values

HEX	#00052C
RGB	rgb(0, 5, 44)
HSL	hsl(233, 100%, 9%)
HSV	hsv(233, 100%, 17%)
CMYK	cmyk(100%, 88.6%, 0%, 82.7%)
CIE-LAB	lab(2.62, 9.54, -24.06)
CIE-LCH	lch(2.62, 25.88, 291.62°)
OKLab	oklab(14.91% -0.009 -0.0802)
OKLCH	oklch(14.91% 0.081 263.6)
XYZ	xyz(0.5087, 0.2903, 2.4116)
Luminance	0.0029 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#00052C #2C2700

analogous

#001B2C #00052C #11002C

triadic

#00052C #2C0005 #052C00

tetradic

#00052C #2C001B #2C2700 #002C11

square

#00052C #2C001B #2C2700 #002C11

split-complementary

#00052C #2C1100 #1B2C00

monochromatic

#00031F #00031F #00052C #000C69 #0013A6

Accessibility & contrast

On white

19.85

#00052C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.06

#00052C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #00052C

19.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##00052C	#FFFFFF	#000000	##FFFFFF
##00052C	1.00	19.85	1.06	19.85
#FFFFFF	19.85	1.00	21.00	1.00
#000000	1.06	21.00	1.00	21.00
##FFFFFF	19.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000C2D

Deuteranopia (green-blind)

#00072B

Tritanopia (blue-blind)

#001017

Achromatopsia (no color)

#0A0A0A

Design tokens & code

CSS

--color: #00052c;
/* rgb */ color: rgb(0, 5, 44);
/* oklch */ color: oklch(14.9% 0.081 263.6);

Tailwind

colors: {
  custom: {
    50: '#474965',
    500: '#00052c',
    950: '#000000',
  },
}

SCSS

$custom: #00052c;
$custom-light: #474965;
$custom-dark: #000000;

JSON

{
  "hex": "#00052c",
  "rgb": {
    "r": 0,
    "g": 5,
    "b": 44
  },
  "hsl": {
    "h": 233.182,
    "s": 100,
    "l": 8.627
  },
  "oklch": {
    "l": 0.14913,
    "c": 0.08071,
    "h": 263.6
  },
  "luminance": 0.0029
}

Semantic roles & 50–950 ramp

primary

#00052C

secondary

#736914

accent

#E729FF

background

#F4F4F6

surface

#E6E6EB

border

#C2C2C6

text

#010005

muted

#77777A

Preview Lab

Preview with #00052C

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

Preview Lab → · Contrast checker → · Palette generator →