#0F0F48#0F0F48

#0F0F48 is a very dark, moderate blue. Relative luminance 0.009; OKLCH L 21.8% C 0.102 H 273.9°. Best body text is #FFFFFF at 17.76:1 contrast (WCAG AA passes).

Color values

HEX	#0F0F48
RGB	rgb(15, 15, 72)
HSL	hsl(240, 66%, 17%)
HSV	hsv(240, 79%, 28%)
CMYK	cmyk(79.2%, 79.2%, 0%, 71.8%)
CIE-LAB	lab(8.23, 22.02, -35.28)
CIE-LCH	lch(8.23, 41.58, 301.97°)
OKLab	oklab(21.81% 0.007 -0.102)
OKLCH	oklch(21.81% 0.102 273.9)
XYZ	xyz(1.5371, 0.9109, 6.2245)
Luminance	0.0091 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F0F48 #48480F

analogous

#0F2C48 #0F0F48 #2C0F48

triadic

#0F0F48 #480F0F #0F480F

tetradic

#0F0F48 #480F2C #48480F #0F482C

square

#0F0F48 #480F2C #48480F #0F482C

split-complementary

#0F0F48 #482C0F #2C480F

monochromatic

#050519 #050519 #0F0F48 #1A1A7B #2424AD

Accessibility & contrast

On white

17.76

#0F0F48 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.18

#0F0F48 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F0F48

17.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F0F48	#FFFFFF	#000000	##FFFFFF
##0F0F48	1.00	17.76	1.18	17.76
#FFFFFF	17.76	1.00	21.00	1.00
#000000	1.18	21.00	1.00	21.00
##FFFFFF	17.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001B4A

Deuteranopia (green-blind)

#001547

Tritanopia (blue-blind)

#001F2A

Achromatopsia (no color)

#181818

Design tokens & code

CSS

--color: #0f0f48;
/* rgb */ color: rgb(15, 15, 72);
/* oklch */ color: oklch(21.8% 0.102 273.9);

Tailwind

colors: {
  custom: {
    50: '#584d7c',
    500: '#0f0f48',
    950: '#000000',
  },
}

SCSS

$custom: #0f0f48;
$custom-light: #584d7c;
$custom-dark: #000000;

JSON

{
  "hex": "#0f0f48",
  "rgb": {
    "r": 15,
    "g": 15,
    "b": 72
  },
  "hsl": {
    "h": 240,
    "s": 65.517,
    "l": 17.059
  },
  "oklch": {
    "l": 0.21812,
    "c": 0.10224,
    "h": 273.9
  },
  "luminance": 0.00911
}

Semantic roles & 50–950 ramp

primary

#0F0F48

secondary

#828230

accent

#E83FE8

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#040109

muted

#79777B

Preview Lab

Preview with #0F0F48

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

Preview Lab → · Contrast checker → · Palette generator →