#0A0F4C#0A0F4C

#0A0F4C is a very dark, moderate blue. Relative luminance 0.009; OKLCH L 22.0% C 0.110 H 269.9°. Best body text is #FFFFFF at 17.71:1 contrast (WCAG AA passes).

Color values

HEX	#0A0F4C
RGB	rgb(10, 15, 76)
HSL	hsl(235, 77%, 17%)
HSV	hsv(235, 87%, 30%)
CMYK	cmyk(86.8%, 80.3%, 0%, 70.2%)
CIE-LAB	lab(8.37, 23.08, -37.83)
CIE-LCH	lch(8.37, 44.32, 301.39°)
OKLab	oklab(21.97% -0.0002 -0.1096)
OKLCH	oklch(21.97% 0.11 269.9)
XYZ	xyz(1.6001, 0.9278, 6.9308)
Luminance	0.0093 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A0F4C #4C470A

analogous

#0A304C #0A0F4C #260A4C

triadic

#0A0F4C #4C0A0F #0F4C0A

tetradic

#0A0F4C #4C0A30 #4C470A #0A4C26

square

#0A0F4C #4C0A30 #4C470A #0A4C26

split-complementary

#0A0F4C #4C260A #304C0A

monochromatic

#04051B #04051B #0A0F4C #111A82 #1824B8

Accessibility & contrast

On white

17.71

#0A0F4C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.19

#0A0F4C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A0F4C

17.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A0F4C	#FFFFFF	#000000	##FFFFFF
##0A0F4C	1.00	17.71	1.19	17.71
#FFFFFF	17.71	1.00	21.00	1.00
#000000	1.19	21.00	1.00	21.00
##FFFFFF	17.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001B4E

Deuteranopia (green-blind)

#00154B

Tritanopia (blue-blind)

#00212C

Achromatopsia (no color)

#181818

Design tokens & code

CSS

--color: #0a0f4c;
/* rgb */ color: rgb(10, 15, 76);
/* oklch */ color: oklch(22.0% 0.110 269.9);

Tailwind

colors: {
  custom: {
    50: '#574d7f',
    500: '#0a0f4c',
    950: '#000000',
  },
}

SCSS

$custom: #0a0f4c;
$custom-light: #574d7f;
$custom-dark: #000000;

JSON

{
  "hex": "#0a0f4c",
  "rgb": {
    "r": 10,
    "g": 15,
    "b": 76
  },
  "hsl": {
    "h": 235.455,
    "s": 76.744,
    "l": 16.863
  },
  "oklch": {
    "l": 0.21972,
    "c": 0.10957,
    "h": 269.9
  },
  "luminance": 0.00928
}

Semantic roles & 50–950 ramp

primary

#0A0F4C

secondary

#898129

accent

#E535F3

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#04010A

muted

#79777C

Preview Lab

Preview with #0A0F4C

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

Preview Lab → · Contrast checker → · Palette generator →