#000C23#000C23

#000C23 is a very dark, muted blue. Relative luminance 0.004; OKLCH L 15.8% C 0.054 H 255.9°. Best body text is #FFFFFF at 19.50:1 contrast (WCAG AA passes).

Color values

HEX	#000C23
RGB	rgb(0, 12, 35)
HSL	hsl(219, 100%, 7%)
HSV	hsv(219, 100%, 14%)
CMYK	cmyk(100%, 65.7%, 0%, 86.3%)
CIE-LAB	lab(3.47, 2.85, -15.83)
CIE-LCH	lch(3.47, 16.09, 280.20°)
OKLab	oklab(15.8% -0.0131 -0.0521)
OKLCH	oklch(15.8% 0.054 255.9)
XYZ	xyz(0.4347, 0.3842, 1.6410)
Luminance	0.0038 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#000C23 #231700

analogous

#001E23 #000C23 #060023

triadic

#000C23 #23000C #0C2300

tetradic

#000C23 #23001E #231700 #002306

square

#000C23 #23001E #231700 #002306

split-complementary

#000C23 #230600 #1E2300

monochromatic

#000A1F #000A1F #000C23 #002160 #00369D

Accessibility & contrast

On white

19.50

#000C23 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.08

#000C23 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #000C23

19.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##000C23	#FFFFFF	#000000	##FFFFFF
##000C23	1.00	19.50	1.08	19.50
#FFFFFF	19.50	1.00	21.00	1.00
#000000	1.08	21.00	1.00	21.00
##FFFFFF	19.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#010E24

Deuteranopia (green-blind)

#000B23

Tritanopia (blue-blind)

#001215

Achromatopsia (no color)

#0C0C0C

Design tokens & code

CSS

--color: #000c23;
/* rgb */ color: rgb(0, 12, 35);
/* oklch */ color: oklch(15.8% 0.054 255.9);

Tailwind

colors: {
  custom: {
    50: '#464c5e',
    500: '#000c23',
    950: '#000000',
  },
}

SCSS

$custom: #000c23;
$custom-light: #464c5e;
$custom-dark: #000000;

JSON

{
  "hex": "#000c23",
  "rgb": {
    "r": 0,
    "g": 12,
    "b": 35
  },
  "hsl": {
    "h": 219.429,
    "s": 100,
    "l": 6.863
  },
  "oklch": {
    "l": 0.158,
    "c": 0.05377,
    "h": 255.9
  },
  "luminance": 0.00384
}

Semantic roles & 50–950 ramp

primary

#000C23

secondary

#6C4D13

accent

#B629FF

background

#F4F4F5

surface

#E6E7E9

border

#C2C3C5

text

#000104

muted

#777779

Preview Lab

Preview with #000C23

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

Preview Lab → · Contrast checker → · Palette generator →