#000B15#000B15

#000B15 is a very dark, muted cyan. Relative luminance 0.003; OKLCH L 14.2% C 0.032 H 238.3°. Best body text is #FFFFFF at 19.84:1 contrast (WCAG AA passes).

Color values

HEX	#000B15
RGB	rgb(0, 11, 21)
HSL	hsl(209, 100%, 4%)
HSV	hsv(209, 100%, 8%)
CMYK	cmyk(100%, 47.6%, 0%, 91.8%)
CIE-LAB	lab(2.65, -0.98, -6.19)
CIE-LCH	lch(2.65, 6.27, 260.99°)
OKLab	oklab(14.21% -0.0166 -0.0269)
OKLCH	oklch(14.21% 0.032 238.3)
XYZ	xyz(0.2550, 0.2935, 0.7525)
Luminance	0.0029 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#000B15 #150A00

analogous

#001515 #000B15 #000115

triadic

#000B15 #15000B #0B1500

tetradic

#000B15 #150015 #150A00 #011500

square

#000B15 #150015 #150A00 #011500

split-complementary

#000B15 #150001 #151500

monochromatic

#00101F #00101F #00101F #002B52 #004B8F

Accessibility & contrast

On white

19.84

#000B15 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.06

#000B15 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #000B15

19.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##000B15	#FFFFFF	#000000	##FFFFFF
##000B15	1.00	19.84	1.06	19.84
#FFFFFF	19.84	1.00	21.00	1.00
#000000	1.06	21.00	1.00	21.00
##FFFFFF	19.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#070B15

Deuteranopia (green-blind)

#040915

Tritanopia (blue-blind)

#000E0F

Achromatopsia (no color)

#0A0A0A

Design tokens & code

CSS

--color: #000b15;
/* rgb */ color: rgb(0, 11, 21);
/* oklch */ color: oklch(14.2% 0.032 238.3);

Tailwind

colors: {
  custom: {
    50: '#464c52',
    500: '#000b15',
    950: '#000000',
  },
}

SCSS

$custom: #000b15;
$custom-light: #464c52;
$custom-dark: #000000;

JSON

{
  "hex": "#000b15",
  "rgb": {
    "r": 0,
    "g": 11,
    "b": 21
  },
  "hsl": {
    "h": 208.571,
    "s": 100,
    "l": 4.118
  },
  "oklch": {
    "l": 0.14207,
    "c": 0.03162,
    "h": 238.3
  },
  "luminance": 0.00293
}

Semantic roles & 50–950 ramp

primary

#000B15

secondary

#603711

accent

#8F29FF

background

#F3F4F4

surface

#E5E7E7

border

#C1C3C3

text

#000102

muted

#777778

Preview Lab

Preview with #000B15

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

Preview Lab → · Contrast checker → · Palette generator →