#010C2D#010C2D

#010C2D is a very dark, moderate blue. Relative luminance 0.005; OKLCH L 17.0% C 0.070 H 262.0°. Best body text is #FFFFFF at 19.23:1 contrast (WCAG AA passes).

Color values

HEX	#010C2D
RGB	rgb(1, 12, 45)
HSL	hsl(225, 96%, 9%)
HSV	hsv(225, 98%, 18%)
CMYK	cmyk(97.8%, 73.3%, 0%, 82.4%)
CIE-LAB	lab(4.14, 7.43, -22.40)
CIE-LCH	lch(4.14, 23.60, 288.35°)
OKLab	oklab(16.98% -0.0097 -0.0692)
OKLCH	oklch(16.98% 0.07 262)
XYZ	xyz(0.6175, 0.4588, 2.5381)
Luminance	0.0046 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 5.14

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#010C2D #2D2201

analogous

#01222D #010C2D #0C012D

triadic

#010C2D #2D010C #0C2D01

tetradic

#010C2D #2D0122 #2D2201 #012D0C

square

#010C2D #2D0122 #2D2201 #012D0C

split-complementary

#010C2D #2D0C01 #222D01

monochromatic

#01081E #01081E #010C2D #021C69 #042CA5

Accessibility & contrast

On white

19.23

#010C2D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.09

#010C2D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #010C2D

19.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##010C2D	#FFFFFF	#000000	##FFFFFF
##010C2D	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)

#00112E

Deuteranopia (green-blind)

#000C2C

Tritanopia (blue-blind)

#00151A

Achromatopsia (no color)

#0F0F0F

Design tokens & code

CSS

--color: #010c2d;
/* rgb */ color: rgb(1, 12, 45);
/* oklch */ color: oklch(17.0% 0.070 262.0);

Tailwind

colors: {
  custom: {
    50: '#484c66',
    500: '#010c2d',
    950: '#000000',
  },
}

SCSS

$custom: #010c2d;
$custom-light: #484c66;
$custom-dark: #000000;

JSON

{
  "hex": "#010c2d",
  "rgb": {
    "r": 1,
    "g": 12,
    "b": 45
  },
  "hsl": {
    "h": 225,
    "s": 95.652,
    "l": 9.02
  },
  "oklch": {
    "l": 0.16984,
    "c": 0.06989,
    "h": 262
  },
  "luminance": 0.00459
}

Semantic roles & 50–950 ramp

primary

#010C2D

secondary

#735C17

accent

#C929FF

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#010106

muted

#77777A

Preview Lab

Preview with #010C2D

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

Preview Lab → · Contrast checker → · Palette generator →