#0F1B4A#0F1B4A

#0F1B4A is a very dark, moderate blue. Relative luminance 0.014; OKLCH L 24.5% C 0.089 H 268.2°. Best body text is #FFFFFF at 16.46:1 contrast (WCAG AA passes).

Color values

HEX	#0F1B4A
RGB	rgb(15, 27, 74)
HSL	hsl(228, 66%, 17%)
HSV	hsv(228, 80%, 29%)
CMYK	cmyk(79.7%, 63.5%, 0%, 71%)
CIE-LAB	lab(11.82, 13.96, -30.78)
CIE-LCH	lch(11.82, 33.80, 294.39°)
OKLab	oklab(24.51% -0.0028 -0.0887)
OKLCH	oklch(24.51% 0.089 268.2)
XYZ	xyz(1.8245, 1.3796, 6.6474)
Luminance	0.0138 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 6.02

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F1B4A #4A3E0F

analogous

#0F384A #0F1B4A #210F4A

triadic

#0F1B4A #4A0F1B #1B4A0F

tetradic

#0F1B4A #4A0F38 #4A3E0F #0F4A21

square

#0F1B4A #4A0F38 #4A3E0F #0F4A21

split-complementary

#0F1B4A #4A210F #384A0F

monochromatic

#050919 #050919 #0F1B4A #192E7D #2440B0

Accessibility & contrast

On white

16.46

#0F1B4A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#0F1B4A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F1B4A

16.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F1B4A	#FFFFFF	#000000	##FFFFFF
##0F1B4A	1.00	16.46	1.28	16.46
#FFFFFF	16.46	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00224C

Deuteranopia (green-blind)

#001D49

Tritanopia (blue-blind)

#00272F

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #0f1b4a;
/* rgb */ color: rgb(15, 27, 74);
/* oklch */ color: oklch(24.5% 0.089 268.2);

Tailwind

colors: {
  custom: {
    50: '#57567d',
    500: '#0f1b4a',
    950: '#000000',
  },
}

SCSS

$custom: #0f1b4a;
$custom-light: #57567d;
$custom-dark: #000000;

JSON

{
  "hex": "#0f1b4a",
  "rgb": {
    "r": 15,
    "g": 27,
    "b": 74
  },
  "hsl": {
    "h": 227.797,
    "s": 66.292,
    "l": 17.451
  },
  "oklch": {
    "l": 0.24511,
    "c": 0.08879,
    "h": 268.2
  },
  "luminance": 0.0138
}

Semantic roles & 50–950 ramp

primary

#0F1B4A

secondary

#847330

accent

#C73FE9

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#040309

muted

#79787B

Preview Lab

Preview with #0F1B4A

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

Preview Lab → · Contrast checker → · Palette generator →