#010B1A#010B1A

#010B1A is a very dark, muted blue. Relative luminance 0.003; OKLCH L 14.8% C 0.038 H 251.4°. Best body text is #FFFFFF at 19.74:1 contrast (WCAG AA passes).

Color values

HEX	#010B1A
RGB	rgb(1, 11, 26)
HSL	hsl(216, 93%, 5%)
HSV	hsv(216, 96%, 10%)
CMYK	cmyk(96.2%, 57.7%, 0%, 89.8%)
CIE-LAB	lab(2.89, 0.58, -9.62)
CIE-LCH	lch(2.89, 9.63, 273.45°)
OKLab	oklab(14.75% -0.0122 -0.0363)
OKLCH	oklch(14.75% 0.038 251.4)
XYZ	xyz(0.3186, 0.3203, 1.0221)
Luminance	0.0032 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#010B1A #1A1001

analogous

#01171A #010B1A #03011A

triadic

#010B1A #1A010B #0B1A01

tetradic

#010B1A #1A0117 #1A1001 #011A03

square

#010B1A #1A0117 #1A1001 #011A03

split-complementary

#010B1A #1A0301 #171A01

monochromatic

#010C1D #010C1D #010C1D #032455 #063D90

Accessibility & contrast

On white

19.74

#010B1A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.06

#010B1A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #010B1A

19.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##010B1A	#FFFFFF	#000000	##FFFFFF
##010B1A	1.00	19.74	1.06	19.74
#FFFFFF	19.74	1.00	21.00	1.00
#000000	1.06	21.00	1.00	21.00
##FFFFFF	19.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#050C1B

Deuteranopia (green-blind)

#02091A

Tritanopia (blue-blind)

#000F11

Achromatopsia (no color)

#0B0B0B

Design tokens & code

CSS

--color: #010b1a;
/* rgb */ color: rgb(1, 11, 26);
/* oklch */ color: oklch(14.8% 0.038 251.4);

Tailwind

colors: {
  custom: {
    50: '#464c56',
    500: '#010b1a',
    950: '#000000',
  },
}

SCSS

$custom: #010b1a;
$custom-light: #464c56;
$custom-dark: #000000;

JSON

{
  "hex": "#010b1a",
  "rgb": {
    "r": 1,
    "g": 11,
    "b": 26
  },
  "hsl": {
    "h": 216,
    "s": 92.593,
    "l": 5.294
  },
  "oklch": {
    "l": 0.14752,
    "c": 0.03834,
    "h": 251.4
  },
  "luminance": 0.0032
}

Semantic roles & 50–950 ramp

primary

#010B1A

secondary

#624315

accent

#A929FF

background

#F3F4F5

surface

#E5E7E9

border

#C1C3C5

text

#000103

muted

#767778

Preview Lab

Preview with #010B1A

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

Preview Lab → · Contrast checker → · Palette generator →