#0A0F49#0A0F49

#0A0F49 is a very dark, moderate blue. Relative luminance 0.009; OKLCH L 21.6% C 0.105 H 270.2°. Best body text is #FFFFFF at 17.84:1 contrast (WCAG AA passes).

Color values

HEX	#0A0F49
RGB	rgb(10, 15, 73)
HSL	hsl(235, 76%, 16%)
HSV	hsv(235, 86%, 29%)
CMYK	cmyk(86.3%, 79.5%, 0%, 71.4%)
CIE-LAB	lab(8.01, 21.87, -36.34)
CIE-LCH	lch(8.01, 42.41, 301.04°)
OKLab	oklab(21.61% 0.0003 -0.1052)
OKLCH	oklch(21.61% 0.105 270.2)
XYZ	xyz(1.4982, 0.8870, 6.3943)
Luminance	0.0089 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A0F49 #49440A

analogous

#0A2F49 #0A0F49 #250A49

triadic

#0A0F49 #490A0F #0F490A

tetradic

#0A0F49 #490A2F #49440A #0A4925

square

#0A0F49 #490A2F #49440A #0A4925

split-complementary

#0A0F49 #49250A #2F490A

monochromatic

#04061B #04061B #0A0F49 #111A7F #1925B5

Accessibility & contrast

On white

17.84

#0A0F49 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.18

#0A0F49 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A0F49

17.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A0F49	#FFFFFF	#000000	##FFFFFF
##0A0F49	1.00	17.84	1.18	17.84
#FFFFFF	17.84	1.00	21.00	1.00
#000000	1.18	21.00	1.00	21.00
##FFFFFF	17.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001B4B

Deuteranopia (green-blind)

#001448

Tritanopia (blue-blind)

#001F2A

Achromatopsia (no color)

#181818

Design tokens & code

CSS

--color: #0a0f49;
/* rgb */ color: rgb(10, 15, 73);
/* oklch */ color: oklch(21.6% 0.105 270.2);

Tailwind

colors: {
  custom: {
    50: '#564d7c',
    500: '#0a0f49',
    950: '#000000',
  },
}

SCSS

$custom: #0a0f49;
$custom-light: #564d7c;
$custom-dark: #000000;

JSON

{
  "hex": "#0a0f49",
  "rgb": {
    "r": 10,
    "g": 15,
    "b": 73
  },
  "hsl": {
    "h": 235.238,
    "s": 75.904,
    "l": 16.275
  },
  "oklch": {
    "l": 0.21605,
    "c": 0.10523,
    "h": 270.2
  },
  "luminance": 0.00887
}

Semantic roles & 50–950 ramp

primary

#0A0F49

secondary

#867E29

accent

#E335F2

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#040109

muted

#79777B

Preview Lab

Preview with #0A0F49

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

Preview Lab → · Contrast checker → · Palette generator →