#011023#011023

#011023 is a very dark, muted cyan. Relative luminance 0.005; OKLCH L 17.1% C 0.047 H 251.5°. Best body text is #FFFFFF at 19.10:1 contrast (WCAG AA passes).

Color values

HEX	#011023
RGB	rgb(1, 16, 35)
HSL	hsl(214, 94%, 7%)
HSV	hsv(214, 97%, 14%)
CMYK	cmyk(97.1%, 54.3%, 0%, 86.3%)
CIE-LAB	lab(4.50, 1.13, -14.24)
CIE-LCH	lch(4.50, 14.29, 274.52°)
OKLab	oklab(17.1% -0.0148 -0.0442)
OKLCH	oklch(17.1% 0.047 251.5)
XYZ	xyz(0.5011, 0.4983, 1.6596)
Luminance	0.0050 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#011023 #231401

analogous

#012123 #011023 #030123

triadic

#011023 #230110 #102301

tetradic

#011023 #230121 #231401 #012303

square

#011023 #230121 #231401 #012303

split-complementary

#011023 #230301 #212301

monochromatic

#010E1E #010E1E #011023 #032B5F #04469A

Accessibility & contrast

On white

19.10

#011023 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.10

#011023 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #011023

19.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##011023	#FFFFFF	#000000	##FFFFFF
##011023	1.00	19.10	1.10	19.10
#FFFFFF	19.10	1.00	21.00	1.00
#000000	1.10	21.00	1.00	21.00
##FFFFFF	19.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#071124

Deuteranopia (green-blind)

#020E23

Tritanopia (blue-blind)

#001517

Achromatopsia (no color)

#101010

Design tokens & code

CSS

--color: #011023;
/* rgb */ color: rgb(1, 16, 35);
/* oklch */ color: oklch(17.1% 0.047 251.5);

Tailwind

colors: {
  custom: {
    50: '#474e5e',
    500: '#011023',
    950: '#000000',
  },
}

SCSS

$custom: #011023;
$custom-light: #474e5e;
$custom-dark: #000000;

JSON

{
  "hex": "#011023",
  "rgb": {
    "r": 1,
    "g": 16,
    "b": 35
  },
  "hsl": {
    "h": 213.529,
    "s": 94.444,
    "l": 7.059
  },
  "oklch": {
    "l": 0.17102,
    "c": 0.0466,
    "h": 251.5
  },
  "luminance": 0.00498
}

Semantic roles & 50–950 ramp

primary

#011023

secondary

#6A4516

accent

#A029FF

background

#F4F4F5

surface

#E6E7E9

border

#C2C3C5

text

#000104

muted

#777779

Preview Lab

Preview with #011023

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

Preview Lab → · Contrast checker → · Palette generator →