#0A112E#0A112E

#0A112E is a very dark, muted blue. Relative luminance 0.007; OKLCH L 19.1% C 0.059 H 269.8°. Best body text is #FFFFFF at 18.54:1 contrast (WCAG AA passes).

Color values

HEX	#0A112E
RGB	rgb(10, 17, 46)
HSL	hsl(228, 64%, 11%)
HSV	hsv(228, 78%, 18%)
CMYK	cmyk(78.3%, 63%, 0%, 82%)
CIE-LAB	lab(5.99, 7.73, -20.19)
CIE-LCH	lch(5.99, 21.62, 290.96°)
OKLab	oklab(19.1% -0.0002 -0.0589)
OKLCH	oklch(19.1% 0.059 269.8)
XYZ	xyz(0.8186, 0.6626, 2.6690)
Luminance	0.0066 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 6.02

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A112E #2E270A

analogous

#0A232E #0A112E #150A2E

triadic

#0A112E #2E0A11 #112E0A

tetradic

#0A112E #2E0A23 #2E270A #0A2E15

square

#0A112E #2E0A23 #2E270A #0A2E15

split-complementary

#0A112E #2E150A #232E0A

monochromatic

#050919 #050919 #0A112E #152460 #203693

Accessibility & contrast

On white

18.54

#0A112E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.13

#0A112E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A112E

18.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A112E	#FFFFFF	#000000	##FFFFFF
##0A112E	1.00	18.54	1.13	18.54
#FFFFFF	18.54	1.00	21.00	1.00
#000000	1.13	21.00	1.00	21.00
##FFFFFF	18.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#03152F

Deuteranopia (green-blind)

#00122D

Tritanopia (blue-blind)

#00181D

Achromatopsia (no color)

#131313

Design tokens & code

CSS

--color: #0a112e;
/* rgb */ color: rgb(10, 17, 46);
/* oklch */ color: oklch(19.1% 0.059 269.8);

Tailwind

colors: {
  custom: {
    50: '#4d4f67',
    500: '#0a112e',
    950: '#000000',
  },
}

SCSS

$custom: #0a112e;
$custom-light: #4d4f67;
$custom-dark: #000000;

JSON

{
  "hex": "#0a112e",
  "rgb": {
    "r": 10,
    "g": 17,
    "b": 46
  },
  "hsl": {
    "h": 228.333,
    "s": 64.286,
    "l": 10.98
  },
  "oklch": {
    "l": 0.19103,
    "c": 0.0589,
    "h": 269.8
  },
  "luminance": 0.00663
}

Semantic roles & 50–950 ramp

primary

#0A112E

secondary

#6B5E29

accent

#C741E7

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#020106

muted

#78777A

Preview Lab

Preview with #0A112E

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

Preview Lab → · Contrast checker → · Palette generator →