#0A142A#0A142A

#0A142A is a very dark, muted blue. Relative luminance 0.007; OKLCH L 19.6% C 0.047 H 264.1°. Best body text is #FFFFFF at 18.32:1 contrast (WCAG AA passes).

Color values

HEX	#0A142A
RGB	rgb(10, 20, 42)
HSL	hsl(221, 62%, 10%)
HSV	hsv(221, 76%, 16%)
CMYK	cmyk(76.2%, 52.4%, 0%, 83.5%)
CIE-LAB	lab(6.61, 3.99, -16.22)
CIE-LCH	lch(6.61, 16.70, 283.83°)
OKLab	oklab(19.56% -0.0048 -0.0466)
OKLCH	oklch(19.56% 0.047 264.1)
XYZ	xyz(0.7931, 0.7319, 2.2895)
Luminance	0.0073 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A142A #2A200A

analogous

#0A242A #0A142A #100A2A

triadic

#0A142A #2A0A14 #142A0A

tetradic

#0A142A #2A0A24 #2A200A #0A2A10

square

#0A142A #2A0A24 #2A200A #0A2A10

split-complementary

#0A142A #2A100A #242A0A

monochromatic

#060C19 #060C19 #0A142A #162C5B #22438D

Accessibility & contrast

On white

18.32

#0A142A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.15

#0A142A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A142A

18.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A142A	#FFFFFF	#000000	##FFFFFF
##0A142A	1.00	18.32	1.15	18.32
#FFFFFF	18.32	1.00	21.00	1.00
#000000	1.15	21.00	1.00	21.00
##FFFFFF	18.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0A162B

Deuteranopia (green-blind)

#06132A

Tritanopia (blue-blind)

#00191C

Achromatopsia (no color)

#151515

Design tokens & code

CSS

--color: #0a142a;
/* rgb */ color: rgb(10, 20, 42);
/* oklch */ color: oklch(19.6% 0.047 264.1);

Tailwind

colors: {
  custom: {
    50: '#4c5163',
    500: '#0a142a',
    950: '#000000',
  },
}

SCSS

$custom: #0a142a;
$custom-light: #4c5163;
$custom-dark: #000000;

JSON

{
  "hex": "#0a142a",
  "rgb": {
    "r": 10,
    "g": 20,
    "b": 42
  },
  "hsl": {
    "h": 221.25,
    "s": 61.538,
    "l": 10.196
  },
  "oklch": {
    "l": 0.19561,
    "c": 0.04687,
    "h": 264.1
  },
  "luminance": 0.00732
}

Semantic roles & 50–950 ramp

primary

#0A142A

secondary

#675429

accent

#B243E5

background

#F4F4F5

surface

#E7E7EA

border

#C3C3C6

text

#010205

muted

#777879

Preview Lab

Preview with #0A142A

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

Preview Lab → · Contrast checker → · Palette generator →