#0F1548#0F1548

#0F1548 is a very dark, moderate blue. Relative luminance 0.011; OKLCH L 23.0% C 0.094 H 271.5°. Best body text is #FFFFFF at 17.20:1 contrast (WCAG AA passes).

Color values

HEX	#0F1548
RGB	rgb(15, 21, 72)
HSL	hsl(234, 66%, 17%)
HSV	hsv(234, 79%, 28%)
CMYK	cmyk(79.2%, 70.8%, 0%, 71.8%)
CIE-LAB	lab(9.84, 17.67, -32.62)
CIE-LCH	lch(9.84, 37.10, 298.44°)
OKLab	oklab(22.98% 0.0025 -0.0942)
OKLCH	oklch(22.98% 0.094 271.5)
XYZ	xyz(1.6345, 1.1056, 6.2569)
Luminance	0.0111 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F1548 #48420F

analogous

#0F3248 #0F1548 #260F48

triadic

#0F1548 #480F15 #15480F

tetradic

#0F1548 #480F32 #48420F #0F4826

square

#0F1548 #480F32 #48420F #0F4826

split-complementary

#0F1548 #48260F #32480F

monochromatic

#050719 #050719 #0F1548 #1A247B #2433AD

Accessibility & contrast

On white

17.20

#0F1548 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.22

#0F1548 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F1548

17.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F1548	#FFFFFF	#000000	##FFFFFF
##0F1548	1.00	17.20	1.22	17.20
#FFFFFF	17.20	1.00	21.00	1.00
#000000	1.22	21.00	1.00	21.00
##FFFFFF	17.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001E4A

Deuteranopia (green-blind)

#001947

Tritanopia (blue-blind)

#00222C

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #0f1548;
/* rgb */ color: rgb(15, 21, 72);
/* oklch */ color: oklch(23.0% 0.094 271.5);

Tailwind

colors: {
  custom: {
    50: '#57527c',
    500: '#0f1548',
    950: '#000000',
  },
}

SCSS

$custom: #0f1548;
$custom-light: #57527c;
$custom-dark: #000000;

JSON

{
  "hex": "#0f1548",
  "rgb": {
    "r": 15,
    "g": 21,
    "b": 72
  },
  "hsl": {
    "h": 233.684,
    "s": 65.517,
    "l": 17.059
  },
  "oklch": {
    "l": 0.22984,
    "c": 0.09426,
    "h": 271.5
  },
  "luminance": 0.01106
}

Semantic roles & 50–950 ramp

primary

#0F1548

secondary

#827A30

accent

#D73FE8

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#040209

muted

#79787B

Preview Lab

Preview with #0F1548

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

Preview Lab → · Contrast checker → · Palette generator →