#0A142F#0A142F

#0A142F is a very dark, muted blue. Relative luminance 0.008; OKLCH L 20.0% C 0.056 H 266.2°. Best body text is #FFFFFF at 18.20:1 contrast (WCAG AA passes).

Color values

HEX	#0A142F
RGB	rgb(10, 20, 47)
HSL	hsl(224, 65%, 11%)
HSV	hsv(224, 79%, 18%)
CMYK	cmyk(78.7%, 57.4%, 0%, 81.6%)
CIE-LAB	lab(6.96, 6.37, -19.39)
CIE-LCH	lch(6.96, 20.41, 288.19°)
OKLab	oklab(19.98% -0.0037 -0.0557)
OKLCH	oklch(19.98% 0.056 266.2)
XYZ	xyz(0.8882, 0.7700, 2.7906)
Luminance	0.0077 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 6.83

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A142F #2F250A

analogous

#0A262F #0A142F #120A2F

triadic

#0A142F #2F0A14 #142F0A

tetradic

#0A142F #2F0A26 #2F250A #0A2F12

square

#0A142F #2F0A26 #2F250A #0A2F12

split-complementary

#0A142F #2F120A #262F0A

monochromatic

#050B19 #050B19 #0A142F #152961 #1F3F94

Accessibility & contrast

On white

18.20

#0A142F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.15

#0A142F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A142F

18.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A142F	#FFFFFF	#000000	##FFFFFF
##0A142F	1.00	18.20	1.15	18.20
#FFFFFF	18.20	1.00	21.00	1.00
#000000	1.15	21.00	1.00	21.00
##FFFFFF	18.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#071730

Deuteranopia (green-blind)

#02142E

Tritanopia (blue-blind)

#001A1F

Achromatopsia (no color)

#151515

Design tokens & code

CSS

--color: #0a142f;
/* rgb */ color: rgb(10, 20, 47);
/* oklch */ color: oklch(20.0% 0.056 266.2);

Tailwind

colors: {
  custom: {
    50: '#4e5167',
    500: '#0a142f',
    950: '#000000',
  },
}

SCSS

$custom: #0a142f;
$custom-light: #4e5167;
$custom-dark: #000000;

JSON

{
  "hex": "#0a142f",
  "rgb": {
    "r": 10,
    "g": 20,
    "b": 47
  },
  "hsl": {
    "h": 223.784,
    "s": 64.912,
    "l": 11.176
  },
  "oklch": {
    "l": 0.19979,
    "c": 0.05585,
    "h": 266.2
  },
  "luminance": 0.0077
}

Semantic roles & 50–950 ramp

primary

#0A142F

secondary

#6C5A29

accent

#BA40E8

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#020206

muted

#78787A

Preview Lab

Preview with #0A142F

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

Preview Lab → · Contrast checker → · Palette generator →