#0A194E#0A194E

#0A194E is a very dark, moderate blue. Relative luminance 0.013; OKLCH L 24.2% C 0.100 H 266.5°. Best body text is #FFFFFF at 16.64:1 contrast (WCAG AA passes).

Color values

HEX	#0A194E
RGB	rgb(10, 25, 78)
HSL	hsl(227, 77%, 17%)
HSV	hsv(227, 87%, 31%)
CMYK	cmyk(87.2%, 67.9%, 0%, 69.4%)
CIE-LAB	lab(11.34, 16.58, -34.34)
CIE-LCH	lch(11.34, 38.13, 295.78°)
OKLab	oklab(24.2% -0.0061 -0.0993)
OKLCH	oklch(24.2% 0.1 266.5)
XYZ	xyz(1.8475, 1.3096, 7.3617)
Luminance	0.0131 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A194E #4E3F0A

analogous

#0A3B4E #0A194E #1D0A4E

triadic

#0A194E #4E0A19 #194E0A

tetradic

#0A194E #4E0A3B #4E3F0A #0A4E1D

square

#0A194E #4E0A3B #4E3F0A #0A4E1D

split-complementary

#0A194E #4E1D0A #3B4E0A

monochromatic

#03091B #03091B #0A194E #112A84 #183CBA

Accessibility & contrast

On white

16.64

#0A194E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#0A194E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A194E

16.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A194E	#FFFFFF	#000000	##FFFFFF
##0A194E	1.00	16.64	1.26	16.64
#FFFFFF	16.64	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002150

Deuteranopia (green-blind)

#001B4D

Tritanopia (blue-blind)

#002730

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #0a194e;
/* rgb */ color: rgb(10, 25, 78);
/* oklch */ color: oklch(24.2% 0.100 266.5);

Tailwind

colors: {
  custom: {
    50: '#575580',
    500: '#0a194e',
    950: '#000000',
  },
}

SCSS

$custom: #0a194e;
$custom-light: #575580;
$custom-dark: #000000;

JSON

{
  "hex": "#0a194e",
  "rgb": {
    "r": 10,
    "g": 25,
    "b": 78
  },
  "hsl": {
    "h": 226.765,
    "s": 77.273,
    "l": 17.255
  },
  "oklch": {
    "l": 0.24203,
    "c": 0.09951,
    "h": 266.5
  },
  "luminance": 0.0131
}

Semantic roles & 50–950 ramp

primary

#0A194E

secondary

#8B7529

accent

#C934F4

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#04030A

muted

#79787C

Preview Lab

Preview with #0A194E

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

Preview Lab → · Contrast checker → · Palette generator →