#0F104E#0F104E

#0F104E is a very dark, moderate blue. Relative luminance 0.010; OKLCH L 22.7% C 0.110 H 272.7°. Best body text is #FFFFFF at 17.44:1 contrast (WCAG AA passes).

Color values

HEX	#0F104E
RGB	rgb(15, 16, 78)
HSL	hsl(239, 68%, 18%)
HSV	hsv(239, 81%, 31%)
CMYK	cmyk(80.8%, 79.5%, 0%, 69.4%)
CIE-LAB	lab(9.17, 23.70, -37.89)
CIE-LCH	lch(9.17, 44.69, 302.03°)
OKLab	oklab(22.7% 0.0052 -0.1096)
OKLCH	oklch(22.7% 0.11 272.7)
XYZ	xyz(1.7570, 1.0220, 7.3109)
Luminance	0.0102 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F104E #4E4D0F

analogous

#0F2F4E #0F104E #2D0F4E

triadic

#0F104E #4E0F10 #104E0F

tetradic

#0F104E #4E0F2F #4E4D0F #0F4E2D

square

#0F104E #4E0F2F #4E4D0F #0F4E2D

split-complementary

#0F104E #4E2D0F #2F4E0F

monochromatic

#05051A #05051B #0F104E #191B81 #2325B5

Accessibility & contrast

On white

17.44

#0F104E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.20

#0F104E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F104E

17.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F104E	#FFFFFF	#000000	##FFFFFF
##0F104E	1.00	17.44	1.20	17.44
#FFFFFF	17.44	1.00	21.00	1.00
#000000	1.20	21.00	1.00	21.00
##FFFFFF	17.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001D50

Deuteranopia (green-blind)

#00174D

Tritanopia (blue-blind)

#00222D

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #0f104e;
/* rgb */ color: rgb(15, 16, 78);
/* oklch */ color: oklch(22.7% 0.110 272.7);

Tailwind

colors: {
  custom: {
    50: '#5a4e80',
    500: '#0f104e',
    950: '#000000',
  },
}

SCSS

$custom: #0f104e;
$custom-light: #5a4e80;
$custom-dark: #000000;

JSON

{
  "hex": "#0f104e",
  "rgb": {
    "r": 15,
    "g": 16,
    "b": 78
  },
  "hsl": {
    "h": 239.048,
    "s": 67.742,
    "l": 18.235
  },
  "oklch": {
    "l": 0.227,
    "c": 0.10975,
    "h": 272.7
  },
  "luminance": 0.01022
}

Semantic roles & 50–950 ramp

primary

#0F104E

secondary

#888731

accent

#E83DEB

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#04010A

muted

#79777C

Preview Lab

Preview with #0F104E

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

Preview Lab → · Contrast checker → · Palette generator →