#0A1949#0A1949

#0A1949 is a very dark, moderate blue. Relative luminance 0.012; OKLCH L 23.7% C 0.092 H 266.1°. Best body text is #FFFFFF at 16.82:1 contrast (WCAG AA passes).

Color values

HEX	#0A1949
RGB	rgb(10, 25, 73)
HSL	hsl(226, 76%, 16%)
HSV	hsv(226, 86%, 29%)
CMYK	cmyk(86.3%, 65.8%, 0%, 71.4%)
CIE-LAB	lab(10.85, 14.37, -31.68)
CIE-LCH	lch(10.85, 34.78, 294.40°)
OKLab	oklab(23.69% -0.0062 -0.0915)
OKLCH	oklch(23.69% 0.092 266.1)
XYZ	xyz(1.6750, 1.2406, 6.4532)
Luminance	0.0124 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A1949 #493A0A

analogous

#0A3949 #0A1949 #1B0A49

triadic

#0A1949 #490A19 #19490A

tetradic

#0A1949 #490A39 #493A0A #0A491B

square

#0A1949 #490A39 #493A0A #0A491B

split-complementary

#0A1949 #491B0A #39490A

monochromatic

#04091B #04091B #0A1949 #112B7F #193EB5

Accessibility & contrast

On white

16.82

#0A1949 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#0A1949 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A1949

16.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A1949	#FFFFFF	#000000	##FFFFFF
##0A1949	1.00	16.82	1.25	16.82
#FFFFFF	16.82	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00204B

Deuteranopia (green-blind)

#001A48

Tritanopia (blue-blind)

#00252E

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #0a1949;
/* rgb */ color: rgb(10, 25, 73);
/* oklch */ color: oklch(23.7% 0.092 266.1);

Tailwind

colors: {
  custom: {
    50: '#55557c',
    500: '#0a1949',
    950: '#000000',
  },
}

SCSS

$custom: #0a1949;
$custom-light: #55557c;
$custom-dark: #000000;

JSON

{
  "hex": "#0a1949",
  "rgb": {
    "r": 10,
    "g": 25,
    "b": 73
  },
  "hsl": {
    "h": 225.714,
    "s": 75.904,
    "l": 16.275
  },
  "oklch": {
    "l": 0.23688,
    "c": 0.09173,
    "h": 266.1
  },
  "luminance": 0.01241
}

Semantic roles & 50–950 ramp

primary

#0A1949

secondary

#867029

accent

#C535F2

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#030309

muted

#78787B

Preview Lab

Preview with #0A1949

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

Preview Lab → · Contrast checker → · Palette generator →