#001023#001023

#001023 is a very dark, muted cyan. Relative luminance 0.005; OKLCH L 17.0% C 0.048 H 249.6°. Best body text is #FFFFFF at 19.12:1 contrast (WCAG AA passes).

Color values

HEX	#001023
RGB	rgb(0, 16, 35)
HSL	hsl(213, 100%, 7%)
HSV	hsv(213, 100%, 14%)
CMYK	cmyk(100%, 54.3%, 0%, 86.3%)
CIE-LAB	lab(4.44, 0.86, -14.34)
CIE-LCH	lch(4.44, 14.36, 273.43°)
OKLab	oklab(17.01% -0.0166 -0.0446)
OKLCH	oklch(17.01% 0.048 249.6)
XYZ	xyz(0.4885, 0.4919, 1.6590)
Luminance	0.0049 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#001023 #231300

analogous

#002223 #001023 #010023

triadic

#001023 #230010 #102300

tetradic

#001023 #230022 #231300 #002301

square

#001023 #230022 #231300 #002301

split-complementary

#001023 #230100 #222300

monochromatic

#000E1F #000E1F #001023 #002C60 #00489D

Accessibility & contrast

On white

19.12

#001023 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.10

#001023 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #001023

19.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##001023	#FFFFFF	#000000	##FFFFFF
##001023	1.00	19.12	1.10	19.12
#FFFFFF	19.12	1.00	21.00	1.00
#000000	1.10	21.00	1.00	21.00
##FFFFFF	19.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#071124

Deuteranopia (green-blind)

#020E23

Tritanopia (blue-blind)

#001517

Achromatopsia (no color)

#0F0F0F

Design tokens & code

CSS

--color: #001023;
/* rgb */ color: rgb(0, 16, 35);
/* oklch */ color: oklch(17.0% 0.048 249.6);

Tailwind

colors: {
  custom: {
    50: '#464e5e',
    500: '#001023',
    950: '#000000',
  },
}

SCSS

$custom: #001023;
$custom-light: #464e5e;
$custom-dark: #000000;

JSON

{
  "hex": "#001023",
  "rgb": {
    "r": 0,
    "g": 16,
    "b": 35
  },
  "hsl": {
    "h": 212.571,
    "s": 100,
    "l": 6.863
  },
  "oklch": {
    "l": 0.1701,
    "c": 0.04764,
    "h": 249.6
  },
  "luminance": 0.00492
}

Semantic roles & 50–950 ramp

primary

#001023

secondary

#6C4313

accent

#9D29FF

background

#F4F4F5

surface

#E6E7E9

border

#C2C3C5

text

#000104

muted

#777779

Preview Lab

Preview with #001023

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

Preview Lab → · Contrast checker → · Palette generator →