#0A0B3E#0A0B3E

#0A0B3E is a very dark, moderate blue. Relative luminance 0.007; OKLCH L 19.5% C 0.094 H 272.7°. Best body text is #FFFFFF at 18.58:1 contrast (WCAG AA passes).

Color values

HEX	#0A0B3E
RGB	rgb(10, 11, 62)
HSL	hsl(239, 72%, 14%)
HSV	hsv(239, 84%, 24%)
CMYK	cmyk(83.9%, 82.3%, 0%, 75.7%)
CIE-LAB	lab(5.89, 19.24, -32.04)
CIE-LCH	lch(5.89, 37.38, 300.99°)
OKLab	oklab(19.53% 0.0044 -0.0938)
OKLCH	oklch(19.53% 0.094 272.7)
XYZ	xyz(1.1141, 0.6516, 4.6235)
Luminance	0.0065 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A0B3E #3E3D0A

analogous

#0A253E #0A0B3E #230A3E

triadic

#0A0B3E #3E0A0B #0B3E0A

tetradic

#0A0B3E #3E0A25 #3E3D0A #0A3E23

square

#0A0B3E #3E0A25 #3E3D0A #0A3E23

split-complementary

#0A0B3E #3E230A #253E0A

monochromatic

#04051A #04051A #0A0B3E #131473 #1B1EA7

Accessibility & contrast

On white

18.58

#0A0B3E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.13

#0A0B3E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A0B3E

18.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A0B3E	#FFFFFF	#000000	##FFFFFF
##0A0B3E	1.00	18.58	1.13	18.58
#FFFFFF	18.58	1.00	21.00	1.00
#000000	1.13	21.00	1.00	21.00
##FFFFFF	18.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001540

Deuteranopia (green-blind)

#00103D

Tritanopia (blue-blind)

#001923

Achromatopsia (no color)

#131313

Design tokens & code

CSS

--color: #0a0b3e;
/* rgb */ color: rgb(10, 11, 62);
/* oklch */ color: oklch(19.5% 0.094 272.7);

Tailwind

colors: {
  custom: {
    50: '#534b74',
    500: '#0a0b3e',
    950: '#000000',
  },
}

SCSS

$custom: #0a0b3e;
$custom-light: #534b74;
$custom-dark: #000000;

JSON

{
  "hex": "#0a0b3e",
  "rgb": {
    "r": 10,
    "g": 11,
    "b": 62
  },
  "hsl": {
    "h": 238.846,
    "s": 72.222,
    "l": 14.118
  },
  "oklch": {
    "l": 0.19526,
    "c": 0.0939,
    "h": 272.7
  },
  "luminance": 0.00652
}

Semantic roles & 50–950 ramp

primary

#0A0B3E

secondary

#7B7A28

accent

#EB39EF

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#030108

muted

#78777B

Preview Lab

Preview with #0A0B3E

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

Preview Lab → · Contrast checker → · Palette generator →