#0F1749#0F1749

#0F1749 is a very dark, moderate blue. Relative luminance 0.012; OKLCH L 23.5% C 0.093 H 270.5°. Best body text is #FFFFFF at 16.95:1 contrast (WCAG AA passes).

Color values

HEX	#0F1749
RGB	rgb(15, 23, 73)
HSL	hsl(232, 66%, 17%)
HSV	hsv(232, 79%, 29%)
CMYK	cmyk(79.5%, 68.5%, 0%, 71.4%)
CIE-LAB	lab(10.52, 16.58, -32.21)
CIE-LCH	lch(10.52, 36.23, 297.24°)
OKLab	oklab(23.52% 0.0008 -0.093)
OKLCH	oklch(23.52% 0.093 270.5)
XYZ	xyz(1.7056, 1.1952, 6.4429)
Luminance	0.0120 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F1749 #49410F

analogous

#0F3449 #0F1749 #240F49

triadic

#0F1749 #490F17 #17490F

tetradic

#0F1749 #490F34 #49410F #0F4924

square

#0F1749 #490F34 #49410F #0F4924

split-complementary

#0F1749 #49240F #34490F

monochromatic

#050819 #050819 #0F1749 #19277C #2437AF

Accessibility & contrast

On white

16.95

#0F1749 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.24

#0F1749 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F1749

16.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F1749	#FFFFFF	#000000	##FFFFFF
##0F1749	1.00	16.95	1.24	16.95
#FFFFFF	16.95	1.00	21.00	1.00
#000000	1.24	21.00	1.00	21.00
##FFFFFF	16.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001F4B

Deuteranopia (green-blind)

#001A48

Tritanopia (blue-blind)

#00242D

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #0f1749;
/* rgb */ color: rgb(15, 23, 73);
/* oklch */ color: oklch(23.5% 0.093 270.5);

Tailwind

colors: {
  custom: {
    50: '#57537c',
    500: '#0f1749',
    950: '#000000',
  },
}

SCSS

$custom: #0f1749;
$custom-light: #57537c;
$custom-dark: #000000;

JSON

{
  "hex": "#0f1749",
  "rgb": {
    "r": 15,
    "g": 23,
    "b": 73
  },
  "hsl": {
    "h": 231.724,
    "s": 65.909,
    "l": 17.255
  },
  "oklch": {
    "l": 0.23516,
    "c": 0.09299,
    "h": 270.5
  },
  "luminance": 0.01195
}

Semantic roles & 50–950 ramp

primary

#0F1749

secondary

#837830

accent

#D13FE9

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#040209

muted

#79787B

Preview Lab

Preview with #0F1749

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

Preview Lab → · Contrast checker → · Palette generator →