#0F1B4C#0F1B4C

#0F1B4C is a very dark, moderate blue. Relative luminance 0.014; OKLCH L 24.7% C 0.092 H 268.3°. Best body text is #FFFFFF at 16.39:1 contrast (WCAG AA passes).

Color values

HEX	#0F1B4C
RGB	rgb(15, 27, 76)
HSL	hsl(228, 67%, 18%)
HSV	hsv(228, 80%, 30%)
CMYK	cmyk(80.3%, 64.5%, 0%, 70.2%)
CIE-LAB	lab(12.00, 14.82, -31.87)
CIE-LCH	lch(12.00, 35.15, 294.95°)
OKLab	oklab(24.71% -0.0027 -0.0919)
OKLCH	oklch(24.71% 0.092 268.3)
XYZ	xyz(1.8930, 1.4070, 7.0079)
Luminance	0.0141 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F1B4C #4C400F

analogous

#0F394C #0F1B4C #220F4C

triadic

#0F1B4C #4C0F1B #1B4C0F

tetradic

#0F1B4C #4C0F39 #4C400F #0F4C22

square

#0F1B4C #4C0F39 #4C400F #0F4C22

split-complementary

#0F1B4C #4C220F #394C0F

monochromatic

#05091A #05091A #0F1B4C #192D7F #233FB2

Accessibility & contrast

On white

16.39

#0F1B4C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#0F1B4C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F1B4C

16.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F1B4C	#FFFFFF	#000000	##FFFFFF
##0F1B4C	1.00	16.39	1.28	16.39
#FFFFFF	16.39	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00224E

Deuteranopia (green-blind)

#001D4B

Tritanopia (blue-blind)

#002730

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #0f1b4c;
/* rgb */ color: rgb(15, 27, 76);
/* oklch */ color: oklch(24.7% 0.092 268.3);

Tailwind

colors: {
  custom: {
    50: '#58567e',
    500: '#0f1b4c',
    950: '#000000',
  },
}

SCSS

$custom: #0f1b4c;
$custom-light: #58567e;
$custom-dark: #000000;

JSON

{
  "hex": "#0f1b4c",
  "rgb": {
    "r": 15,
    "g": 27,
    "b": 76
  },
  "hsl": {
    "h": 228.197,
    "s": 67.033,
    "l": 17.843
  },
  "oklch": {
    "l": 0.24705,
    "c": 0.09197,
    "h": 268.3
  },
  "luminance": 0.01407
}

Semantic roles & 50–950 ramp

primary

#0F1B4C

secondary

#867531

accent

#C83EEA

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#04030A

muted

#79787C

Preview Lab

Preview with #0F1B4C

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

Preview Lab → · Contrast checker → · Palette generator →