#0A142D#0A142D

#0A142D is a very dark, muted blue. Relative luminance 0.008; OKLCH L 19.8% C 0.052 H 265.5°. Best body text is #FFFFFF at 18.25:1 contrast (WCAG AA passes).

Color values

HEX	#0A142D
RGB	rgb(10, 20, 45)
HSL	hsl(223, 64%, 11%)
HSV	hsv(223, 78%, 18%)
CMYK	cmyk(77.8%, 55.6%, 0%, 82.4%)
CIE-LAB	lab(6.81, 5.40, -18.13)
CIE-LCH	lch(6.81, 18.92, 286.60°)
OKLab	oklab(19.81% -0.0041 -0.0521)
OKLCH	oklch(19.81% 0.052 265.5)
XYZ	xyz(0.8488, 0.7542, 2.5830)
Luminance	0.0075 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A142D #2D230A

analogous

#0A252D #0A142D #110A2D

triadic

#0A142D #2D0A14 #142D0A

tetradic

#0A142D #2D0A25 #2D230A #0A2D11

square

#0A142D #2D0A25 #2D230A #0A2D11

split-complementary

#0A142D #2D110A #252D0A

monochromatic

#060B19 #060B19 #0A142D #152A5F #204191

Accessibility & contrast

On white

18.25

#0A142D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.15

#0A142D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A142D

18.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A142D	#FFFFFF	#000000	##FFFFFF
##0A142D	1.00	18.25	1.15	18.25
#FFFFFF	18.25	1.00	21.00	1.00
#000000	1.15	21.00	1.00	21.00
##FFFFFF	18.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#08172E

Deuteranopia (green-blind)

#04142C

Tritanopia (blue-blind)

#001A1E

Achromatopsia (no color)

#151515

Design tokens & code

CSS

--color: #0a142d;
/* rgb */ color: rgb(10, 20, 45);
/* oklch */ color: oklch(19.8% 0.052 265.5);

Tailwind

colors: {
  custom: {
    50: '#4d5166',
    500: '#0a142d',
    950: '#000000',
  },
}

SCSS

$custom: #0a142d;
$custom-light: #4d5166;
$custom-dark: #000000;

JSON

{
  "hex": "#0a142d",
  "rgb": {
    "r": 10,
    "g": 20,
    "b": 45
  },
  "hsl": {
    "h": 222.857,
    "s": 63.636,
    "l": 10.784
  },
  "oklch": {
    "l": 0.19808,
    "c": 0.05228,
    "h": 265.5
  },
  "luminance": 0.00754
}

Semantic roles & 50–950 ramp

primary

#0A142D

secondary

#6A5729

accent

#B741E7

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#010206

muted

#77787A

Preview Lab

Preview with #0A142D

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

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