#010D2C#010D2C

#010D2C is a very dark, moderate blue. Relative luminance 0.005; OKLCH L 17.1% C 0.067 H 261.0°. Best body text is #FFFFFF at 19.17:1 contrast (WCAG AA passes).

Color values

HEX	#010D2C
RGB	rgb(1, 13, 44)
HSL	hsl(223, 96%, 9%)
HSV	hsv(223, 98%, 17%)
CMYK	cmyk(97.7%, 70.5%, 0%, 82.7%)
CIE-LAB	lab(4.30, 6.49, -21.40)
CIE-LCH	lch(4.30, 22.36, 286.86°)
OKLab	oklab(17.13% -0.0104 -0.0658)
OKLCH	oklch(17.13% 0.067 261)
XYZ	xyz(0.6109, 0.4761, 2.4421)
Luminance	0.0048 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 5.73

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#010D2C #2C2001

analogous

#01232C #010D2C #0B012C

triadic

#010D2C #2C010D #0D2C01

tetradic

#010D2C #2C0123 #2C2001 #012C0B

square

#010D2C #2C0123 #2C2001 #012C0B

split-complementary

#010D2C #2C0B01 #232C01

monochromatic

#01091E #01091E #010D2C #021F68 #0430A4

Accessibility & contrast

On white

19.17

#010D2C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.10

#010D2C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #010D2C

19.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##010D2C	#FFFFFF	#000000	##FFFFFF
##010D2C	1.00	19.17	1.10	19.17
#FFFFFF	19.17	1.00	21.00	1.00
#000000	1.10	21.00	1.00	21.00
##FFFFFF	19.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00112D

Deuteranopia (green-blind)

#000D2B

Tritanopia (blue-blind)

#00151A

Achromatopsia (no color)

#0F0F0F

Design tokens & code

CSS

--color: #010d2c;
/* rgb */ color: rgb(1, 13, 44);
/* oklch */ color: oklch(17.1% 0.067 261.0);

Tailwind

colors: {
  custom: {
    50: '#484c65',
    500: '#010d2c',
    950: '#000000',
  },
}

SCSS

$custom: #010d2c;
$custom-light: #484c65;
$custom-dark: #000000;

JSON

{
  "hex": "#010d2c",
  "rgb": {
    "r": 1,
    "g": 13,
    "b": 44
  },
  "hsl": {
    "h": 223.256,
    "s": 95.556,
    "l": 8.824
  },
  "oklch": {
    "l": 0.17131,
    "c": 0.06666,
    "h": 261
  },
  "luminance": 0.00476
}

Semantic roles & 50–950 ramp

primary

#010D2C

secondary

#725917

accent

#C329FF

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#010105

muted

#77777A

Preview Lab

Preview with #010D2C

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

Preview Lab → · Contrast checker → · Palette generator →