#030A11#030A11

#030A11 is a very dark, muted cyan. Relative luminance 0.003; OKLCH L 14.0% C 0.021 H 242.3°. Best body text is #FFFFFF at 19.90:1 contrast (WCAG AA passes).

Color values

HEX	#030A11
RGB	rgb(3, 10, 17)
HSL	hsl(210, 70%, 4%)
HSV	hsv(210, 82%, 7%)
CMYK	cmyk(82.4%, 41.2%, 0%, 93.3%)
CIE-LAB	lab(2.50, -0.65, -3.85)
CIE-LCH	lch(2.50, 3.90, 260.35°)
OKLab	oklab(13.97% -0.0098 -0.0186)
OKLCH	oklch(13.97% 0.021 242.3)
XYZ	xyz(0.2472, 0.2769, 0.5706)
Luminance	0.0028 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#030A11 #110A03

analogous

#031111 #030A11 #030311

triadic

#030A11 #11030A #0A1103

tetradic

#030A11 #110311 #110A03 #031103

square

#030A11 #110311 #110A03 #031103

split-complementary

#030A11 #110303 #111103

monochromatic

#050F1A #050F1A #050F1A #0C2945 #154779

Accessibility & contrast

On white

19.90

#030A11 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.06

#030A11 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #030A11

19.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##030A11	#FFFFFF	#000000	##FFFFFF
##030A11	1.00	19.90	1.06	19.90
#FFFFFF	19.90	1.00	21.00	1.00
#000000	1.06	21.00	1.00	21.00
##FFFFFF	19.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#070A11

Deuteranopia (green-blind)

#050811

Tritanopia (blue-blind)

#000C0C

Achromatopsia (no color)

#090909

Design tokens & code

CSS

--color: #030a11;
/* rgb */ color: rgb(3, 10, 17);
/* oklch */ color: oklch(14.0% 0.021 242.3);

Tailwind

colors: {
  custom: {
    50: '#484b4f',
    500: '#030a11',
    950: '#000000',
  },
}

SCSS

$custom: #030a11;
$custom-light: #484b4f;
$custom-dark: #000000;

JSON

{
  "hex": "#030a11",
  "rgb": {
    "r": 3,
    "g": 10,
    "b": 17
  },
  "hsl": {
    "h": 210,
    "s": 70,
    "l": 3.922
  },
  "oklch": {
    "l": 0.13974,
    "c": 0.02105,
    "h": 242.3
  },
  "luminance": 0.00277
}

Semantic roles & 50–950 ramp

primary

#030A11

secondary

#53381D

accent

#943BED

background

#F4F4F4

surface

#E6E7E7

border

#C2C3C3

text

#000101

muted

#777777

Preview Lab

Preview with #030A11

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

Preview Lab → · Contrast checker → · Palette generator →