#0A1A47#0A1A47

#0A1A47 is a very dark, moderate blue. Relative luminance 0.013; OKLCH L 23.7% C 0.087 H 265.3°. Best body text is #FFFFFF at 16.78:1 contrast (WCAG AA passes).

Color values

HEX	#0A1A47
RGB	rgb(10, 26, 71)
HSL	hsl(224, 75%, 16%)
HSV	hsv(224, 86%, 28%)
CMYK	cmyk(85.9%, 63.4%, 0%, 72.2%)
CIE-LAB	lab(10.98, 12.69, -30.08)
CIE-LCH	lch(10.98, 32.65, 292.87°)
OKLab	oklab(23.72% -0.0071 -0.0868)
OKLCH	oklch(23.72% 0.087 265.3)
XYZ	xyz(1.6315, 1.2581, 6.1169)
Luminance	0.0126 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 5.75

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A1A47 #47370A

analogous

#0A3847 #0A1A47 #180A47

triadic

#0A1A47 #470A1A #1A470A

tetradic

#0A1A47 #470A38 #47370A #0A4718

square

#0A1A47 #470A38 #47370A #0A4718

split-complementary

#0A1A47 #47180A #38470A

monochromatic

#040A1B #040A1B #0A1A47 #122E7D #1941B2

Accessibility & contrast

On white

16.78

#0A1A47 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#0A1A47 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A1A47

16.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A1A47	#FFFFFF	#000000	##FFFFFF
##0A1A47	1.00	16.78	1.25	16.78
#FFFFFF	16.78	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002049

Deuteranopia (green-blind)

#001B46

Tritanopia (blue-blind)

#00252D

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #0a1a47;
/* rgb */ color: rgb(10, 26, 71);
/* oklch */ color: oklch(23.7% 0.087 265.3);

Tailwind

colors: {
  custom: {
    50: '#55567b',
    500: '#0a1a47',
    950: '#000000',
  },
}

SCSS

$custom: #0a1a47;
$custom-light: #55567b;
$custom-dark: #000000;

JSON

{
  "hex": "#0a1a47",
  "rgb": {
    "r": 10,
    "g": 26,
    "b": 71
  },
  "hsl": {
    "h": 224.262,
    "s": 75.309,
    "l": 15.882
  },
  "oklch": {
    "l": 0.23723,
    "c": 0.08711,
    "h": 265.3
  },
  "luminance": 0.01258
}

Semantic roles & 50–950 ramp

primary

#0A1A47

secondary

#846C29

accent

#C136F2

background

#F5F4F7

surface

#E9E8EE

border

#C5C4C9

text

#030309

muted

#78787B

Preview Lab

Preview with #0A1A47

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

Preview Lab → · Contrast checker → · Palette generator →