#000523#000523

#000523 is a very dark, moderate blue. Relative luminance 0.002; OKLCH L 13.6% C 0.067 H 262.7°. Best body text is #FFFFFF at 20.08:1 contrast (WCAG AA passes).

Color values

HEX	#000523
RGB	rgb(0, 5, 35)
HSL	hsl(231, 100%, 7%)
HSV	hsv(231, 100%, 14%)
CMYK	cmyk(100%, 85.7%, 0%, 86.3%)
CIE-LAB	lab(2.08, 5.70, -17.98)
CIE-LCH	lch(2.08, 18.86, 287.58°)
OKLab	oklab(13.65% -0.0085 -0.066)
OKLCH	oklch(13.65% 0.067 262.7)
XYZ	xyz(0.3575, 0.2298, 1.6153)
Luminance	0.0023 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 7.03

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#000523 #231E00

analogous

#001723 #000523 #0D0023

triadic

#000523 #230005 #052300

tetradic

#000523 #230017 #231E00 #00230D

square

#000523 #230017 #231E00 #00230D

split-complementary

#000523 #230D00 #172300

monochromatic

#00041F #00041F #000523 #000E60 #00169D

Accessibility & contrast

On white

20.08

#000523 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.05

#000523 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #000523

20.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##000523	#FFFFFF	#000000	##FFFFFF
##000523	1.00	20.08	1.05	20.08
#FFFFFF	20.08	1.00	21.00	1.00
#000000	1.05	21.00	1.00	21.00
##FFFFFF	20.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000924

Deuteranopia (green-blind)

#000622

Tritanopia (blue-blind)

#000D12

Achromatopsia (no color)

#080808

Design tokens & code

CSS

--color: #000523;
/* rgb */ color: rgb(0, 5, 35);
/* oklch */ color: oklch(13.6% 0.067 262.7);

Tailwind

colors: {
  custom: {
    50: '#46495e',
    500: '#000523',
    950: '#000000',
  },
}

SCSS

$custom: #000523;
$custom-light: #46495e;
$custom-dark: #000000;

JSON

{
  "hex": "#000523",
  "rgb": {
    "r": 0,
    "g": 5,
    "b": 35
  },
  "hsl": {
    "h": 231.429,
    "s": 100,
    "l": 6.863
  },
  "oklch": {
    "l": 0.13647,
    "c": 0.06658,
    "h": 262.7
  },
  "luminance": 0.0023
}

Semantic roles & 50–950 ramp

primary

#000523

secondary

#6C5F13

accent

#E029FF

background

#F4F4F5

surface

#E6E6E9

border

#C2C2C5

text

#000004

muted

#777779

Preview Lab

Preview with #000523

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

Preview Lab → · Contrast checker → · Palette generator →