#0A143E#0A143E

#0A143E is a very dark, moderate blue. Relative luminance 0.009; OKLCH L 21.4% C 0.081 H 268.4°. Best body text is #FFFFFF at 17.76:1 contrast (WCAG AA passes).

Color values

HEX	#0A143E
RGB	rgb(10, 20, 62)
HSL	hsl(228, 72%, 14%)
HSV	hsv(228, 84%, 24%)
CMYK	cmyk(83.9%, 67.7%, 0%, 75.7%)
CIE-LAB	lab(8.24, 13.36, -28.20)
CIE-LCH	lch(8.24, 31.21, 295.36°)
OKLab	oklab(21.41% -0.0023 -0.0814)
OKLCH	oklch(21.41% 0.081 268.4)
XYZ	xyz(1.2445, 0.9125, 4.6670)
Luminance	0.0091 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 3.89

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A143E #3E340A

analogous

#0A2E3E #0A143E #1A0A3E

triadic

#0A143E #3E0A14 #143E0A

tetradic

#0A143E #3E0A2E #3E340A #0A3E1A

square

#0A143E #3E0A2E #3E340A #0A3E1A

split-complementary

#0A143E #3E1A0A #2E3E0A

monochromatic

#04081A #04081A #0A143E #132573 #1B36A7

Accessibility & contrast

On white

17.76

#0A143E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.18

#0A143E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A143E

17.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A143E	#FFFFFF	#000000	##FFFFFF
##0A143E	1.00	17.76	1.18	17.76
#FFFFFF	17.76	1.00	21.00	1.00
#000000	1.18	21.00	1.00	21.00
##FFFFFF	17.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001A3F

Deuteranopia (green-blind)

#00163D

Tritanopia (blue-blind)

#001F26

Achromatopsia (no color)

#181818

Design tokens & code

CSS

--color: #0a143e;
/* rgb */ color: rgb(10, 20, 62);
/* oklch */ color: oklch(21.4% 0.081 268.4);

Tailwind

colors: {
  custom: {
    50: '#525174',
    500: '#0a143e',
    950: '#000000',
  },
}

SCSS

$custom: #0a143e;
$custom-light: #525174;
$custom-dark: #000000;

JSON

{
  "hex": "#0a143e",
  "rgb": {
    "r": 10,
    "g": 20,
    "b": 62
  },
  "hsl": {
    "h": 228.462,
    "s": 72.222,
    "l": 14.118
  },
  "oklch": {
    "l": 0.21408,
    "c": 0.08143,
    "h": 268.4
  },
  "luminance": 0.00913
}

Semantic roles & 50–950 ramp

primary

#0A143E

secondary

#7B6B28

accent

#CC39EF

background

#F4F4F7

surface

#E7E7ED

border

#C3C3C8

text

#030208

muted

#78787B

Preview Lab

Preview with #0A143E

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

Preview Lab → · Contrast checker → · Palette generator →