#010D34#010D34

#010D34 is a very dark, moderate blue. Relative luminance 0.005; OKLCH L 18.0% C 0.080 H 262.8°. Best body text is #FFFFFF at 18.95:1 contrast (WCAG AA passes).

Color values

HEX	#010D34
RGB	rgb(1, 13, 52)
HSL	hsl(226, 96%, 10%)
HSV	hsv(226, 98%, 20%)
CMYK	cmyk(98.1%, 75%, 0%, 79.6%)
CIE-LAB	lab(4.90, 10.69, -26.40)
CIE-LCH	lch(4.90, 28.48, 292.03°)
OKLab	oklab(18.04% -0.01 -0.0791)
OKLCH	oklch(18.04% 0.08 262.8)
XYZ	xyz(0.7761, 0.5421, 3.3119)
Luminance	0.0054 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 3.43

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#010D34 #342801

analogous

#012634 #010D34 #0E0134

triadic

#010D34 #34010D #0D3401

tetradic

#010D34 #340126 #342801 #01340E

square

#010D34 #340126 #342801 #01340E

split-complementary

#010D34 #340E01 #263401

monochromatic

#01081E #01081E #010D34 #021C70 #032BAC

Accessibility & contrast

On white

18.95

#010D34 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.11

#010D34 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #010D34

18.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##010D34	#FFFFFF	#000000	##FFFFFF
##010D34	1.00	18.95	1.11	18.95
#FFFFFF	18.95	1.00	21.00	1.00
#000000	1.11	21.00	1.00	21.00
##FFFFFF	18.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001335

Deuteranopia (green-blind)

#000E33

Tritanopia (blue-blind)

#00171E

Achromatopsia (no color)

#111111

Design tokens & code

CSS

--color: #010d34;
/* rgb */ color: rgb(1, 13, 52);
/* oklch */ color: oklch(18.0% 0.080 262.8);

Tailwind

colors: {
  custom: {
    50: '#4b4c6c',
    500: '#010d34',
    950: '#000000',
  },
}

SCSS

$custom: #010d34;
$custom-light: #4b4c6c;
$custom-dark: #000000;

JSON

{
  "hex": "#010d34",
  "rgb": {
    "r": 1,
    "g": 13,
    "b": 52
  },
  "hsl": {
    "h": 225.882,
    "s": 96.226,
    "l": 10.392
  },
  "oklch": {
    "l": 0.18044,
    "c": 0.07976,
    "h": 262.8
  },
  "luminance": 0.00542
}

Semantic roles & 50–950 ramp

primary

#010D34

secondary

#796218

accent

#CD29FF

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#010107

muted

#77777A

Preview Lab

Preview with #010D34

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

Preview Lab → · Contrast checker → · Palette generator →