#010D28#010D28

#010D28 is a very dark, muted blue. Relative luminance 0.004; OKLCH L 16.7% C 0.060 H 259.5°. Best body text is #FFFFFF at 19.27:1 contrast (WCAG AA passes).

Color values

HEX	#010D28
RGB	rgb(1, 13, 40)
HSL	hsl(222, 95%, 8%)
HSV	hsv(222, 98%, 16%)
CMYK	cmyk(97.5%, 67.5%, 0%, 84.3%)
CIE-LAB	lab(4.04, 4.67, -18.78)
CIE-LCH	lch(4.04, 19.35, 283.97°)
OKLab	oklab(16.7% -0.0109 -0.0588)
OKLCH	oklch(16.7% 0.06 259.5)
XYZ	xyz(0.5393, 0.4474, 2.0650)
Luminance	0.0045 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 7.06

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#010D28 #281C01

analogous

#012028 #010D28 #080128

triadic

#010D28 #28010D #0D2801

tetradic

#010D28 #280120 #281C01 #012808

square

#010D28 #280120 #281C01 #012808

split-complementary

#010D28 #280801 #202801

monochromatic

#010A1E #010A1E #010D28 #022064 #04349F

Accessibility & contrast

On white

19.27

#010D28 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.09

#010D28 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #010D28

19.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##010D28	#FFFFFF	#000000	##FFFFFF
##010D28	1.00	19.27	1.09	19.27
#FFFFFF	19.27	1.00	21.00	1.00
#000000	1.09	21.00	1.00	21.00
##FFFFFF	19.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001029

Deuteranopia (green-blind)

#000C27

Tritanopia (blue-blind)

#001418

Achromatopsia (no color)

#0E0E0E

Design tokens & code

CSS

--color: #010d28;
/* rgb */ color: rgb(1, 13, 40);
/* oklch */ color: oklch(16.7% 0.060 259.5);

Tailwind

colors: {
  custom: {
    50: '#474c62',
    500: '#010d28',
    950: '#000000',
  },
}

SCSS

$custom: #010d28;
$custom-light: #474c62;
$custom-dark: #000000;

JSON

{
  "hex": "#010d28",
  "rgb": {
    "r": 1,
    "g": 13,
    "b": 40
  },
  "hsl": {
    "h": 221.538,
    "s": 95.122,
    "l": 8.039
  },
  "oklch": {
    "l": 0.16703,
    "c": 0.05985,
    "h": 259.5
  },
  "luminance": 0.00448
}

Semantic roles & 50–950 ramp

primary

#010D28

secondary

#6F5316

accent

#BD29FF

background

#F4F4F5

surface

#E6E7EA

border

#C2C3C6

text

#000105

muted

#777779

Preview Lab

Preview with #010D28

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

Preview Lab → · Contrast checker → · Palette generator →