#0F134B#0F134B

#0F134B is a very dark, moderate blue. Relative luminance 0.011; OKLCH L 22.9% C 0.102 H 272.1°. Best body text is #FFFFFF at 17.28:1 contrast (WCAG AA passes).

Color values

HEX	#0F134B
RGB	rgb(15, 19, 75)
HSL	hsl(236, 67%, 18%)
HSV	hsv(236, 80%, 29%)
CMYK	cmyk(80%, 74.7%, 0%, 70.6%)
CIE-LAB	lab(9.60, 20.39, -35.10)
CIE-LCH	lch(9.60, 40.60, 300.15°)
OKLab	oklab(22.91% 0.0037 -0.1015)
OKLCH	oklch(22.91% 0.102 272.1)
XYZ	xyz(1.6994, 1.0751, 6.7732)
Luminance	0.0107 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F134B #4B470F

analogous

#0F314B #0F134B #290F4B

triadic

#0F134B #4B0F13 #134B0F

tetradic

#0F134B #4B0F31 #4B470F #0F4B29

square

#0F134B #4B0F31 #4B470F #0F4B29

split-complementary

#0F134B #4B290F #314B0F

monochromatic

#05061A #05061A #0F134B #19207E #232DB1

Accessibility & contrast

On white

17.28

#0F134B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#0F134B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F134B

17.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F134B	#FFFFFF	#000000	##FFFFFF
##0F134B	1.00	17.28	1.21	17.28
#FFFFFF	17.28	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001E4D

Deuteranopia (green-blind)

#00184A

Tritanopia (blue-blind)

#00222D

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #0f134b;
/* rgb */ color: rgb(15, 19, 75);
/* oklch */ color: oklch(22.9% 0.102 272.1);

Tailwind

colors: {
  custom: {
    50: '#58507e',
    500: '#0f134b',
    950: '#000000',
  },
}

SCSS

$custom: #0f134b;
$custom-light: #58507e;
$custom-dark: #000000;

JSON

{
  "hex": "#0f134b",
  "rgb": {
    "r": 15,
    "g": 19,
    "b": 75
  },
  "hsl": {
    "h": 236,
    "s": 66.667,
    "l": 17.647
  },
  "oklch": {
    "l": 0.22906,
    "c": 0.10157,
    "h": 272.1
  },
  "luminance": 0.01075
}

Semantic roles & 50–950 ramp

primary

#0F134B

secondary

#858030

accent

#DE3EEA

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#04020A

muted

#79787C

Preview Lab

Preview with #0F134B

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

Preview Lab → · Contrast checker → · Palette generator →