#0A1F49#0A1F49

#0A1F49 is a dark, moderate blue. Relative luminance 0.015; OKLCH L 25.1% C 0.083 H 262.2°. Best body text is #FFFFFF at 16.09:1 contrast (WCAG AA passes).

Color values

HEX	#0A1F49
RGB	rgb(10, 31, 73)
HSL	hsl(220, 76%, 16%)
HSV	hsv(220, 86%, 29%)
CMYK	cmyk(86.3%, 57.5%, 0%, 71.4%)
CIE-LAB	lab(12.77, 9.70, -28.57)
CIE-LCH	lch(12.77, 30.17, 288.75°)
OKLab	oklab(25.13% -0.0112 -0.0823)
OKLCH	oklch(25.13% 0.083 262.2)
XYZ	xyz(1.8173, 1.5253, 6.5007)
Luminance	0.0153 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A1F49 #49340A

analogous

#0A3F49 #0A1F49 #150A49

triadic

#0A1F49 #490A1F #1F490A

tetradic

#0A1F49 #490A3F #49340A #0A4915

square

#0A1F49 #490A3F #49340A #0A4915

split-complementary

#0A1F49 #49150A #3F490A

monochromatic

#040B1B #040B1B #0A1F49 #11367F #194DB5

Accessibility & contrast

On white

16.09

#0A1F49 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.31

#0A1F49 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A1F49

16.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A1F49	#FFFFFF	#000000	##FFFFFF
##0A1F49	1.00	16.09	1.31	16.09
#FFFFFF	16.09	1.00	21.00	1.00
#000000	1.31	21.00	1.00	21.00
##FFFFFF	16.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#04244B

Deuteranopia (green-blind)

#001E48

Tritanopia (blue-blind)

#002930

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #0a1f49;
/* rgb */ color: rgb(10, 31, 73);
/* oklch */ color: oklch(25.1% 0.083 262.2);

Tailwind

colors: {
  custom: {
    50: '#555a7c',
    500: '#0a1f49',
    950: '#000000',
  },
}

SCSS

$custom: #0a1f49;
$custom-light: #555a7c;
$custom-dark: #000000;

JSON

{
  "hex": "#0a1f49",
  "rgb": {
    "r": 10,
    "g": 31,
    "b": 73
  },
  "hsl": {
    "h": 220,
    "s": 75.904,
    "l": 16.275
  },
  "oklch": {
    "l": 0.25132,
    "c": 0.08302,
    "h": 262.2
  },
  "luminance": 0.01526
}

Semantic roles & 50–950 ramp

primary

#0A1F49

secondary

#866729

accent

#B335F2

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#030309

muted

#78787B

Preview Lab

Preview with #0A1F49

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

Preview Lab → · Contrast checker → · Palette generator →