#0F154E#0F154E

#0F154E is a very dark, moderate blue. Relative luminance 0.012; OKLCH L 23.6% C 0.103 H 271.1°. Best body text is #FFFFFF at 16.97:1 contrast (WCAG AA passes).

Color values

HEX	#0F154E
RGB	rgb(15, 21, 78)
HSL	hsl(234, 68%, 18%)
HSV	hsv(234, 81%, 31%)
CMYK	cmyk(80.8%, 73.1%, 0%, 69.4%)
CIE-LAB	lab(10.47, 20.17, -35.76)
CIE-LCH	lch(10.47, 41.05, 299.42°)
OKLab	oklab(23.63% 0.002 -0.1034)
OKLCH	oklch(23.63% 0.103 271.1)
XYZ	xyz(1.8398, 1.1878, 7.3385)
Luminance	0.0119 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F154E #4E480F

analogous

#0F344E #0F154E #280F4E

triadic

#0F154E #4E0F15 #154E0F

tetradic

#0F154E #4E0F34 #4E480F #0F4E28

square

#0F154E #4E0F34 #4E480F #0F4E28

split-complementary

#0F154E #4E280F #344E0F

monochromatic

#05071A #05071B #0F154E #192381 #2331B5

Accessibility & contrast

On white

16.97

#0F154E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.24

#0F154E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F154E

16.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F154E	#FFFFFF	#000000	##FFFFFF
##0F154E	1.00	16.97	1.24	16.97
#FFFFFF	16.97	1.00	21.00	1.00
#000000	1.24	21.00	1.00	21.00
##FFFFFF	16.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001F50

Deuteranopia (green-blind)

#00194D

Tritanopia (blue-blind)

#00242F

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #0f154e;
/* rgb */ color: rgb(15, 21, 78);
/* oklch */ color: oklch(23.6% 0.103 271.1);

Tailwind

colors: {
  custom: {
    50: '#595280',
    500: '#0f154e',
    950: '#000000',
  },
}

SCSS

$custom: #0f154e;
$custom-light: #595280;
$custom-dark: #000000;

JSON

{
  "hex": "#0f154e",
  "rgb": {
    "r": 15,
    "g": 21,
    "b": 78
  },
  "hsl": {
    "h": 234.286,
    "s": 67.742,
    "l": 18.235
  },
  "oklch": {
    "l": 0.23632,
    "c": 0.10343,
    "h": 271.1
  },
  "luminance": 0.01188
}

Semantic roles & 50–950 ramp

primary

#0F154E

secondary

#888031

accent

#DA3DEB

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#04020A

muted

#79787C

Preview Lab

Preview with #0F154E

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

Preview Lab → · Contrast checker → · Palette generator →