#010A1C#010A1C

#010A1C is a very dark, muted blue. Relative luminance 0.003; OKLCH L 14.6% C 0.043 H 256.0°. Best body text is #FFFFFF at 19.79:1 contrast (WCAG AA passes).

Color values

HEX	#010A1C
RGB	rgb(1, 10, 28)
HSL	hsl(220, 93%, 6%)
HSV	hsv(220, 96%, 11%)
CMYK	cmyk(96.4%, 64.3%, 0%, 89%)
CIE-LAB	lab(2.78, 1.58, -11.39)
CIE-LCH	lch(2.78, 11.49, 277.89°)
OKLab	oklab(14.62% -0.0105 -0.0422)
OKLCH	oklch(14.62% 0.043 256)
XYZ	xyz(0.3306, 0.3073, 1.1403)
Luminance	0.0031 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#010A1C #1C1301

analogous

#01171C #010A1C #05011C

triadic

#010A1C #1C010A #0A1C01

tetradic

#010A1C #1C0117 #1C1301 #011C05

square

#010A1C #1C0117 #1C1301 #011C05

split-complementary

#010A1C #1C0501 #171C01

monochromatic

#010B1E #010B1E #010B1E #031F57 #053492

Accessibility & contrast

On white

19.79

#010A1C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.06

#010A1C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #010A1C

19.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##010A1C	#FFFFFF	#000000	##FFFFFF
##010A1C	1.00	19.79	1.06	19.79
#FFFFFF	19.79	1.00	21.00	1.00
#000000	1.06	21.00	1.00	21.00
##FFFFFF	19.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#030C1D

Deuteranopia (green-blind)

#00091C

Tritanopia (blue-blind)

#000E11

Achromatopsia (no color)

#0A0A0A

Design tokens & code

CSS

--color: #010a1c;
/* rgb */ color: rgb(1, 10, 28);
/* oklch */ color: oklch(14.6% 0.043 256.0);

Tailwind

colors: {
  custom: {
    50: '#464b58',
    500: '#010a1c',
    950: '#000000',
  },
}

SCSS

$custom: #010a1c;
$custom-light: #464b58;
$custom-dark: #000000;

JSON

{
  "hex": "#010a1c",
  "rgb": {
    "r": 1,
    "g": 10,
    "b": 28
  },
  "hsl": {
    "h": 220,
    "s": 93.103,
    "l": 5.686
  },
  "oklch": {
    "l": 0.14623,
    "c": 0.04346,
    "h": 256
  },
  "luminance": 0.00307
}

Semantic roles & 50–950 ramp

primary

#010A1C

secondary

#644A15

accent

#B829FF

background

#F3F4F5

surface

#E5E7E9

border

#C1C3C5

text

#000103

muted

#767778

Preview Lab

Preview with #010A1C

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

Preview Lab → · Contrast checker → · Palette generator →