#0A1947#0A1947

#0A1947 is a very dark, moderate blue. Relative luminance 0.012; OKLCH L 23.5% C 0.089 H 265.9°. Best body text is #FFFFFF at 16.89:1 contrast (WCAG AA passes).

Color values

HEX	#0A1947
RGB	rgb(10, 25, 71)
HSL	hsl(225, 75%, 16%)
HSV	hsv(225, 86%, 28%)
CMYK	cmyk(85.9%, 64.8%, 0%, 72.2%)
CIE-LAB	lab(10.66, 13.47, -30.60)
CIE-LCH	lch(10.66, 33.43, 293.76°)
OKLab	oklab(23.49% -0.0063 -0.0883)
OKLCH	oklch(23.49% 0.089 265.9)
XYZ	xyz(1.6097, 1.2145, 6.1096)
Luminance	0.0121 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A1947 #47380A

analogous

#0A3747 #0A1947 #190A47

triadic

#0A1947 #470A19 #19470A

tetradic

#0A1947 #470A37 #47380A #0A4719

square

#0A1947 #470A37 #47380A #0A4719

split-complementary

#0A1947 #47190A #37470A

monochromatic

#04091B #04091B #0A1947 #122C7D #193FB2

Accessibility & contrast

On white

16.89

#0A1947 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.24

#0A1947 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A1947

16.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A1947	#FFFFFF	#000000	##FFFFFF
##0A1947	1.00	16.89	1.24	16.89
#FFFFFF	16.89	1.00	21.00	1.00
#000000	1.24	21.00	1.00	21.00
##FFFFFF	16.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002049

Deuteranopia (green-blind)

#001A46

Tritanopia (blue-blind)

#00252D

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #0a1947;
/* rgb */ color: rgb(10, 25, 71);
/* oklch */ color: oklch(23.5% 0.089 265.9);

Tailwind

colors: {
  custom: {
    50: '#55557b',
    500: '#0a1947',
    950: '#000000',
  },
}

SCSS

$custom: #0a1947;
$custom-light: #55557b;
$custom-dark: #000000;

JSON

{
  "hex": "#0a1947",
  "rgb": {
    "r": 10,
    "g": 25,
    "b": 71
  },
  "hsl": {
    "h": 225.246,
    "s": 75.309,
    "l": 15.882
  },
  "oklch": {
    "l": 0.23487,
    "c": 0.08857,
    "h": 265.9
  },
  "luminance": 0.01215
}

Semantic roles & 50–950 ramp

primary

#0A1947

secondary

#846E29

accent

#C436F2

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#030309

muted

#78787B

Preview Lab

Preview with #0A1947

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

Preview Lab → · Contrast checker → · Palette generator →