#000023#000023

#000023 is a very dark, moderate blue. Relative luminance 0.001; OKLCH L 11.6% C 0.080 H 264.1°. Best body text is #FFFFFF at 20.50:1 contrast (WCAG AA passes).

Color values

HEX	#000023
RGB	rgb(0, 0, 35)
HSL	hsl(240, 100%, 7%)
HSV	hsv(240, 100%, 14%)
CMYK	cmyk(100%, 100%, 0%, 86.3%)
CIE-LAB	lab(1.10, 7.70, -19.48)
CIE-LCH	lch(1.10, 20.95, 291.57°)
OKLab	oklab(11.58% -0.0083 -0.0798)
OKLCH	oklch(11.58% 0.08 264.1)
XYZ	xyz(0.3033, 0.1213, 1.5972)
Luminance	0.0012 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#000023 #232300

analogous

#001223 #000023 #120023

triadic

#000023 #230000 #002300

tetradic

#000023 #230012 #232300 #002312

square

#000023 #230012 #232300 #002312

split-complementary

#000023 #231200 #122300

monochromatic

#00001F #00001F #000023 #000060 #00009D

Accessibility & contrast

On white

20.50

#000023 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.02

#000023 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #000023

20.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##000023	#FFFFFF	#000000	##FFFFFF
##000023	1.00	20.50	1.02	20.50
#FFFFFF	20.50	1.00	21.00	1.00
#000000	1.02	21.00	1.00	21.00
##FFFFFF	20.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000524

Deuteranopia (green-blind)

#000322

Tritanopia (blue-blind)

#000810

Achromatopsia (no color)

#040404

Design tokens & code

CSS

--color: #000023;
/* rgb */ color: rgb(0, 0, 35);
/* oklch */ color: oklch(11.6% 0.080 264.1);

Tailwind

colors: {
  custom: {
    50: '#46475e',
    500: '#000023',
    950: '#000000',
  },
}

SCSS

$custom: #000023;
$custom-light: #46475e;
$custom-dark: #000000;

JSON

{
  "hex": "#000023",
  "rgb": {
    "r": 0,
    "g": 0,
    "b": 35
  },
  "hsl": {
    "h": 240,
    "s": 100,
    "l": 6.863
  },
  "oklch": {
    "l": 0.11578,
    "c": 0.08023,
    "h": 264.1
  },
  "luminance": 0.00121
}

Semantic roles & 50–950 ramp

primary

#000023

secondary

#6C6C13

accent

#FF29FF

background

#F4F3F5

surface

#E6E5E9

border

#C2C1C5

text

#000004

muted

#777779

Preview Lab

Preview with #000023

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

Preview Lab → · Contrast checker → · Palette generator →