#0F154C#0F154C

#0F154C is a very dark, moderate blue. Relative luminance 0.012; OKLCH L 23.4% C 0.100 H 271.2°. Best body text is #FFFFFF at 17.05:1 contrast (WCAG AA passes).

Color values

HEX	#0F154C
RGB	rgb(15, 21, 76)
HSL	hsl(234, 67%, 18%)
HSV	hsv(234, 80%, 30%)
CMYK	cmyk(80.3%, 72.4%, 0%, 70.2%)
CIE-LAB	lab(10.26, 19.34, -34.73)
CIE-LCH	lch(10.26, 39.75, 299.12°)
OKLab	oklab(23.41% 0.0022 -0.1004)
OKLCH	oklch(23.41% 0.1 271.2)
XYZ	xyz(1.7692, 1.1595, 6.9666)
Luminance	0.0116 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F154C #4C460F

analogous

#0F334C #0F154C #270F4C

triadic

#0F154C #4C0F15 #154C0F

tetradic

#0F154C #4C0F33 #4C460F #0F4C27

square

#0F154C #4C0F33 #4C460F #0F4C27

split-complementary

#0F154C #4C270F #334C0F

monochromatic

#05071A #05071A #0F154C #19237F #2331B2

Accessibility & contrast

On white

17.05

#0F154C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.23

#0F154C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F154C

17.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F154C	#FFFFFF	#000000	##FFFFFF
##0F154C	1.00	17.05	1.23	17.05
#FFFFFF	17.05	1.00	21.00	1.00
#000000	1.23	21.00	1.00	21.00
##FFFFFF	17.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001F4E

Deuteranopia (green-blind)

#00194B

Tritanopia (blue-blind)

#00242E

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #0f154c;
/* rgb */ color: rgb(15, 21, 76);
/* oklch */ color: oklch(23.4% 0.100 271.2);

Tailwind

colors: {
  custom: {
    50: '#58527f',
    500: '#0f154c',
    950: '#000000',
  },
}

SCSS

$custom: #0f154c;
$custom-light: #58527f;
$custom-dark: #000000;

JSON

{
  "hex": "#0f154c",
  "rgb": {
    "r": 15,
    "g": 21,
    "b": 76
  },
  "hsl": {
    "h": 234.098,
    "s": 67.033,
    "l": 17.843
  },
  "oklch": {
    "l": 0.23414,
    "c": 0.1004,
    "h": 271.2
  },
  "luminance": 0.0116
}

Semantic roles & 50–950 ramp

primary

#0F154C

secondary

#867E31

accent

#D93EEA

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#04020A

muted

#79787C

Preview Lab

Preview with #0F154C

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

Preview Lab → · Contrast checker → · Palette generator →