#0A192D#0A192D

#0A192D is a very dark, muted cyan. Relative luminance 0.009; OKLCH L 21.2% C 0.045 H 256.2°. Best body text is #FFFFFF at 17.65:1 contrast (WCAG AA passes).

Color values

HEX	#0A192D
RGB	rgb(10, 25, 45)
HSL	hsl(214, 64%, 11%)
HSV	hsv(214, 78%, 18%)
CMYK	cmyk(77.8%, 44.4%, 0%, 82.4%)
CIE-LAB	lab(8.56, 1.70, -15.36)
CIE-LCH	lch(8.56, 15.45, 276.31°)
OKLab	oklab(21.21% -0.0107 -0.0436)
OKLCH	oklch(21.21% 0.045 256.2)
XYZ	xyz(0.9463, 0.9492, 2.6155)
Luminance	0.0095 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A192D #2D1E0A

analogous

#0A2A2D #0A192D #0C0A2D

triadic

#0A192D #2D0A19 #192D0A

tetradic

#0A192D #2D0A2A #2D1E0A #0A2D0C

square

#0A192D #2D0A2A #2D1E0A #0A2D0C

split-complementary

#0A192D #2D0C0A #2A2D0A

monochromatic

#060E19 #060E19 #0A192D #15355F #205191

Accessibility & contrast

On white

17.65

#0A192D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.19

#0A192D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A192D

17.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A192D	#FFFFFF	#000000	##FFFFFF
##0A192D	1.00	17.65	1.19	17.65
#FFFFFF	17.65	1.00	21.00	1.00
#000000	1.19	21.00	1.00	21.00
##FFFFFF	17.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#101A2E

Deuteranopia (green-blind)

#0B172D

Tritanopia (blue-blind)

#001E20

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #0a192d;
/* rgb */ color: rgb(10, 25, 45);
/* oklch */ color: oklch(21.2% 0.045 256.2);

Tailwind

colors: {
  custom: {
    50: '#4d5566',
    500: '#0a192d',
    950: '#000000',
  },
}

SCSS

$custom: #0a192d;
$custom-light: #4d5566;
$custom-dark: #000000;

JSON

{
  "hex": "#0a192d",
  "rgb": {
    "r": 10,
    "g": 25,
    "b": 45
  },
  "hsl": {
    "h": 214.286,
    "s": 63.636,
    "l": 10.784
  },
  "oklch": {
    "l": 0.21209,
    "c": 0.04487,
    "h": 256.2
  },
  "luminance": 0.00949
}

Semantic roles & 50–950 ramp

primary

#0A192D

secondary

#6A4E29

accent

#A041E7

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#010305

muted

#77787A

Preview Lab

Preview with #0A192D

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

Preview Lab → · Contrast checker → · Palette generator →