#0A143D#0A143D

#0A143D is a very dark, moderate blue. Relative luminance 0.009; OKLCH L 21.3% C 0.080 H 268.3°. Best body text is #FFFFFF at 17.79:1 contrast (WCAG AA passes).

Color values

HEX	#0A143D
RGB	rgb(10, 20, 61)
HSL	hsl(228, 72%, 14%)
HSV	hsv(228, 84%, 24%)
CMYK	cmyk(83.6%, 67.2%, 0%, 76.1%)
CIE-LAB	lab(8.14, 12.92, -27.64)
CIE-LCH	lch(8.14, 30.51, 295.05°)
OKLab	oklab(21.31% -0.0024 -0.0798)
OKLCH	oklch(21.31% 0.08 268.3)
XYZ	xyz(1.2173, 0.9016, 4.5239)
Luminance	0.0090 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A143D #3D330A

analogous

#0A2E3D #0A143D #1A0A3D

triadic

#0A143D #3D0A14 #143D0A

tetradic

#0A143D #3D0A2E #3D330A #0A3D1A

square

#0A143D #3D0A2E #3D330A #0A3D1A

split-complementary

#0A143D #3D1A0A #2E3D0A

monochromatic

#04091A #04091A #0A143D #132572 #1B36A6

Accessibility & contrast

On white

17.79

#0A143D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.18

#0A143D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A143D

17.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A143D	#FFFFFF	#000000	##FFFFFF
##0A143D	1.00	17.79	1.18	17.79
#FFFFFF	17.79	1.00	21.00	1.00
#000000	1.18	21.00	1.00	21.00
##FFFFFF	17.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001A3E

Deuteranopia (green-blind)

#00163C

Tritanopia (blue-blind)

#001E26

Achromatopsia (no color)

#181818

Design tokens & code

CSS

--color: #0a143d;
/* rgb */ color: rgb(10, 20, 61);
/* oklch */ color: oklch(21.3% 0.080 268.3);

Tailwind

colors: {
  custom: {
    50: '#525173',
    500: '#0a143d',
    950: '#000000',
  },
}

SCSS

$custom: #0a143d;
$custom-light: #525173;
$custom-dark: #000000;

JSON

{
  "hex": "#0a143d",
  "rgb": {
    "r": 10,
    "g": 20,
    "b": 61
  },
  "hsl": {
    "h": 228.235,
    "s": 71.831,
    "l": 13.922
  },
  "oklch": {
    "l": 0.21305,
    "c": 0.07979,
    "h": 268.3
  },
  "luminance": 0.00902
}

Semantic roles & 50–950 ramp

primary

#0A143D

secondary

#7A6A28

accent

#CB39EF

background

#F4F4F7

surface

#E7E7ED

border

#C3C3C8

text

#030208

muted

#78787B

Preview Lab

Preview with #0A143D

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

Preview Lab → · Contrast checker → · Palette generator →