#0A143C#0A143C

#0A143C is a very dark, moderate blue. Relative luminance 0.009; OKLCH L 21.2% C 0.078 H 268.2°. Best body text is #FFFFFF at 17.82:1 contrast (WCAG AA passes).

Color values

HEX	#0A143C
RGB	rgb(10, 20, 60)
HSL	hsl(228, 71%, 14%)
HSV	hsv(228, 83%, 24%)
CMYK	cmyk(83.3%, 66.7%, 0%, 76.5%)
CIE-LAB	lab(8.05, 12.47, -27.08)
CIE-LCH	lch(8.05, 29.82, 294.72°)
OKLab	oklab(21.2% -0.0024 -0.0781)
OKLCH	oklch(21.2% 0.078 268.2)
XYZ	xyz(1.1907, 0.8910, 4.3833)
Luminance	0.0089 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A143C #3C320A

analogous

#0A2D3C #0A143C #190A3C

triadic

#0A143C #3C0A14 #143C0A

tetradic

#0A143C #3C0A2D #3C320A #0A3C19

square

#0A143C #3C0A2D #3C320A #0A3C19

split-complementary

#0A143C #3C190A #2D3C0A

monochromatic

#04091A #04091A #0A143C #132570 #1B37A5

Accessibility & contrast

On white

17.82

#0A143C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.18

#0A143C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A143C

17.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A143C	#FFFFFF	#000000	##FFFFFF
##0A143C	1.00	17.82	1.18	17.82
#FFFFFF	17.82	1.00	21.00	1.00
#000000	1.18	21.00	1.00	21.00
##FFFFFF	17.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001A3D

Deuteranopia (green-blind)

#00153B

Tritanopia (blue-blind)

#001E25

Achromatopsia (no color)

#181818

Design tokens & code

CSS

--color: #0a143c;
/* rgb */ color: rgb(10, 20, 60);
/* oklch */ color: oklch(21.2% 0.078 268.2);

Tailwind

colors: {
  custom: {
    50: '#525172',
    500: '#0a143c',
    950: '#000000',
  },
}

SCSS

$custom: #0a143c;
$custom-light: #525172;
$custom-dark: #000000;

JSON

{
  "hex": "#0a143c",
  "rgb": {
    "r": 10,
    "g": 20,
    "b": 60
  },
  "hsl": {
    "h": 228,
    "s": 71.429,
    "l": 13.725
  },
  "oklch": {
    "l": 0.21204,
    "c": 0.07816,
    "h": 268.2
  },
  "luminance": 0.00891
}

Semantic roles & 50–950 ramp

primary

#0A143C

secondary

#796928

accent

#CA3AEE

background

#F4F4F6

surface

#E7E7EC

border

#C3C3C7

text

#020208

muted

#78787B

Preview Lab

Preview with #0A143C

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

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