#0A112F#0A112F

#0A112F is a very dark, moderate blue. Relative luminance 0.007; OKLCH L 19.2% C 0.061 H 269.9°. Best body text is #FFFFFF at 18.52:1 contrast (WCAG AA passes).

Color values

HEX	#0A112F
RGB	rgb(10, 17, 47)
HSL	hsl(229, 65%, 11%)
HSV	hsv(229, 79%, 18%)
CMYK	cmyk(78.7%, 63.8%, 0%, 81.6%)
CIE-LAB	lab(6.06, 8.24, -20.82)
CIE-LCH	lch(6.06, 22.39, 291.59°)
OKLab	oklab(19.2% -0.0001 -0.0607)
OKLCH	oklch(19.2% 0.061 269.9)
XYZ	xyz(0.8385, 0.6706, 2.7740)
Luminance	0.0067 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 5.70

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A112F #2F280A

analogous

#0A232F #0A112F #150A2F

triadic

#0A112F #2F0A11 #112F0A

tetradic

#0A112F #2F0A23 #2F280A #0A2F15

square

#0A112F #2F0A23 #2F280A #0A2F15

split-complementary

#0A112F #2F150A #232F0A

monochromatic

#050919 #050919 #0A112F #152361 #1F3694

Accessibility & contrast

On white

18.52

#0A112F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.13

#0A112F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A112F

18.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A112F	#FFFFFF	#000000	##FFFFFF
##0A112F	1.00	18.52	1.13	18.52
#FFFFFF	18.52	1.00	21.00	1.00
#000000	1.13	21.00	1.00	21.00
##FFFFFF	18.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#021530

Deuteranopia (green-blind)

#00122E

Tritanopia (blue-blind)

#00181D

Achromatopsia (no color)

#131313

Design tokens & code

CSS

--color: #0a112f;
/* rgb */ color: rgb(10, 17, 47);
/* oklch */ color: oklch(19.2% 0.061 269.9);

Tailwind

colors: {
  custom: {
    50: '#4e4f68',
    500: '#0a112f',
    950: '#000000',
  },
}

SCSS

$custom: #0a112f;
$custom-light: #4e4f68;
$custom-dark: #000000;

JSON

{
  "hex": "#0a112f",
  "rgb": {
    "r": 10,
    "g": 17,
    "b": 47
  },
  "hsl": {
    "h": 228.649,
    "s": 64.912,
    "l": 11.176
  },
  "oklch": {
    "l": 0.19196,
    "c": 0.06067,
    "h": 269.9
  },
  "luminance": 0.00671
}

Semantic roles & 50–950 ramp

primary

#0A112F

secondary

#6C5F29

accent

#C840E8

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#020106

muted

#78777A

Preview Lab

Preview with #0A112F

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

Preview Lab → · Contrast checker → · Palette generator →