#0F1D4B#0F1D4B

#0F1D4B is a dark, moderate blue. Relative luminance 0.015; OKLCH L 25.1% C 0.087 H 267.0°. Best body text is #FFFFFF at 16.18:1 contrast (WCAG AA passes).

Color values

HEX	#0F1D4B
RGB	rgb(15, 29, 75)
HSL	hsl(226, 67%, 18%)
HSV	hsv(226, 80%, 29%)
CMYK	cmyk(80%, 61.3%, 0%, 70.6%)
CIE-LAB	lab(12.53, 12.86, -30.32)
CIE-LCH	lch(12.53, 32.93, 292.98°)
OKLab	oklab(25.07% -0.0045 -0.0873)
OKLCH	oklch(25.07% 0.087 267)
XYZ	xyz(1.9059, 1.4881, 6.8420)
Luminance	0.0149 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 6.65

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F1D4B #4B3D0F

analogous

#0F3B4B #0F1D4B #1F0F4B

triadic

#0F1D4B #4B0F1D #1D4B0F

tetradic

#0F1D4B #4B0F3B #4B3D0F #0F4B1F

square

#0F1D4B #4B0F3B #4B3D0F #0F4B1F

split-complementary

#0F1D4B #4B1F0F #3B4B0F

monochromatic

#050A1A #050A1A #0F1D4B #19317E #2344B1

Accessibility & contrast

On white

16.18

#0F1D4B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.30

#0F1D4B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F1D4B

16.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F1D4B	#FFFFFF	#000000	##FFFFFF
##0F1D4B	1.00	16.18	1.30	16.18
#FFFFFF	16.18	1.00	21.00	1.00
#000000	1.30	21.00	1.00	21.00
##FFFFFF	16.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00234D

Deuteranopia (green-blind)

#001E4A

Tritanopia (blue-blind)

#002830

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #0f1d4b;
/* rgb */ color: rgb(15, 29, 75);
/* oklch */ color: oklch(25.1% 0.087 267.0);

Tailwind

colors: {
  custom: {
    50: '#57587e',
    500: '#0f1d4b',
    950: '#000000',
  },
}

SCSS

$custom: #0f1d4b;
$custom-light: #57587e;
$custom-dark: #000000;

JSON

{
  "hex": "#0f1d4b",
  "rgb": {
    "r": 15,
    "g": 29,
    "b": 75
  },
  "hsl": {
    "h": 226,
    "s": 66.667,
    "l": 17.647
  },
  "oklch": {
    "l": 0.25073,
    "c": 0.08747,
    "h": 267
  },
  "luminance": 0.01488
}

Semantic roles & 50–950 ramp

primary

#0F1D4B

secondary

#857230

accent

#C23EEA

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#04030A

muted

#79787C

Preview Lab

Preview with #0F1D4B

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

Preview Lab → · Contrast checker → · Palette generator →