#010D2A#010D2A

#010D2A is a very dark, moderate blue. Relative luminance 0.005; OKLCH L 16.9% C 0.063 H 260.3°. Best body text is #FFFFFF at 19.23:1 contrast (WCAG AA passes).

Color values

HEX	#010D2A
RGB	rgb(1, 13, 42)
HSL	hsl(222, 95%, 8%)
HSV	hsv(222, 98%, 16%)
CMYK	cmyk(97.6%, 69%, 0%, 83.5%)
CIE-LAB	lab(4.17, 5.56, -20.10)
CIE-LCH	lch(4.17, 20.86, 285.45°)
OKLab	oklab(16.91% -0.0106 -0.0624)
OKLCH	oklch(16.91% 0.063 260.3)
XYZ	xyz(0.5742, 0.4614, 2.2488)
Luminance	0.0046 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 6.38

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#010D2A #2A1E01

analogous

#01212A #010D2A #09012A

triadic

#010D2A #2A010D #0D2A01

tetradic

#010D2A #2A0121 #2A1E01 #012A09

square

#010D2A #2A0121 #2A1E01 #012A09

split-complementary

#010D2A #2A0901 #212A01

monochromatic

#01091E #01091E #010D2A #022066 #0432A2

Accessibility & contrast

On white

19.23

#010D2A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.09

#010D2A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #010D2A

19.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##010D2A	#FFFFFF	#000000	##FFFFFF
##010D2A	1.00	19.23	1.09	19.23
#FFFFFF	19.23	1.00	21.00	1.00
#000000	1.09	21.00	1.00	21.00
##FFFFFF	19.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00112B

Deuteranopia (green-blind)

#000D29

Tritanopia (blue-blind)

#001419

Achromatopsia (no color)

#0F0F0F

Design tokens & code

CSS

--color: #010d2a;
/* rgb */ color: rgb(1, 13, 42);
/* oklch */ color: oklch(16.9% 0.063 260.3);

Tailwind

colors: {
  custom: {
    50: '#484c63',
    500: '#010d2a',
    950: '#000000',
  },
}

SCSS

$custom: #010d2a;
$custom-light: #484c63;
$custom-dark: #000000;

JSON

{
  "hex": "#010d2a",
  "rgb": {
    "r": 1,
    "g": 13,
    "b": 42
  },
  "hsl": {
    "h": 222.439,
    "s": 95.349,
    "l": 8.431
  },
  "oklch": {
    "l": 0.16914,
    "c": 0.06327,
    "h": 260.3
  },
  "luminance": 0.00461
}

Semantic roles & 50–950 ramp

primary

#010D2A

secondary

#705616

accent

#C029FF

background

#F4F4F5

surface

#E6E7EA

border

#C2C3C6

text

#010105

muted

#777779

Preview Lab

Preview with #010D2A

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

Preview Lab → · Contrast checker → · Palette generator →