#0F0F45#0F0F45

#0F0F45 is a very dark, moderate blue. Relative luminance 0.009; OKLCH L 21.5% C 0.098 H 274.4°. Best body text is #FFFFFF at 17.88:1 contrast (WCAG AA passes).

Color values

HEX	#0F0F45
RGB	rgb(15, 15, 69)
HSL	hsl(240, 64%, 16%)
HSV	hsv(240, 78%, 27%)
CMYK	cmyk(78.3%, 78.3%, 0%, 72.9%)
CIE-LAB	lab(7.88, 20.82, -33.73)
CIE-LCH	lch(7.88, 39.64, 301.69°)
OKLab	oklab(21.46% 0.0075 -0.0975)
OKLCH	oklch(21.46% 0.098 274.4)
XYZ	xyz(1.4416, 0.8727, 5.7216)
Luminance	0.0087 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F0F45 #45450F

analogous

#0F2A45 #0F0F45 #2A0F45

triadic

#0F0F45 #450F0F #0F450F

tetradic

#0F0F45 #450F2A #45450F #0F452A

square

#0F0F45 #450F2A #45450F #0F452A

split-complementary

#0F0F45 #452A0F #2A450F

monochromatic

#050519 #050519 #0F0F45 #1A1A77 #2525AA

Accessibility & contrast

On white

17.88

#0F0F45 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.17

#0F0F45 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F0F45

17.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F0F45	#FFFFFF	#000000	##FFFFFF
##0F0F45	1.00	17.88	1.17	17.88
#FFFFFF	17.88	1.00	21.00	1.00
#000000	1.17	21.00	1.00	21.00
##FFFFFF	17.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001A47

Deuteranopia (green-blind)

#001544

Tritanopia (blue-blind)

#001E28

Achromatopsia (no color)

#171717

Design tokens & code

CSS

--color: #0f0f45;
/* rgb */ color: rgb(15, 15, 69);
/* oklch */ color: oklch(21.5% 0.098 274.4);

Tailwind

colors: {
  custom: {
    50: '#574d79',
    500: '#0f0f45',
    950: '#000000',
  },
}

SCSS

$custom: #0f0f45;
$custom-light: #574d79;
$custom-dark: #000000;

JSON

{
  "hex": "#0f0f45",
  "rgb": {
    "r": 15,
    "g": 15,
    "b": 69
  },
  "hsl": {
    "h": 240,
    "s": 64.286,
    "l": 16.471
  },
  "oklch": {
    "l": 0.21462,
    "c": 0.09779,
    "h": 274.4
  },
  "luminance": 0.00873
}

Semantic roles & 50–950 ramp

primary

#0F0F45

secondary

#7F7F30

accent

#E741E7

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#040109

muted

#79777B

Preview Lab

Preview with #0F0F45

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

Preview Lab → · Contrast checker → · Palette generator →