#0F1745#0F1745

#0F1745 is a very dark, moderate blue. Relative luminance 0.011; OKLCH L 23.1% C 0.087 H 270.5°. Best body text is #FFFFFF at 17.09:1 contrast (WCAG AA passes).

Color values

HEX	#0F1745
RGB	rgb(15, 23, 69)
HSL	hsl(231, 64%, 16%)
HSV	hsv(231, 78%, 27%)
CMYK	cmyk(78.3%, 66.7%, 0%, 72.9%)
CIE-LAB	lab(10.14, 14.87, -30.04)
CIE-LCH	lch(10.14, 33.52, 296.34°)
OKLab	oklab(23.11% 0.0008 -0.0866)
OKLCH	oklch(23.11% 0.087 270.5)
XYZ	xyz(1.5772, 1.1439, 5.7667)
Luminance	0.0114 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F1745 #453D0F

analogous

#0F3245 #0F1745 #220F45

triadic

#0F1745 #450F17 #17450F

tetradic

#0F1745 #450F32 #453D0F #0F4522

square

#0F1745 #450F32 #453D0F #0F4522

split-complementary

#0F1745 #45220F #32450F

monochromatic

#050819 #050819 #0F1745 #1A2877 #2539AA

Accessibility & contrast

On white

17.09

#0F1745 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.23

#0F1745 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F1745

17.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F1745	#FFFFFF	#000000	##FFFFFF
##0F1745	1.00	17.09	1.23	17.09
#FFFFFF	17.09	1.00	21.00	1.00
#000000	1.23	21.00	1.00	21.00
##FFFFFF	17.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001E47

Deuteranopia (green-blind)

#001944

Tritanopia (blue-blind)

#00222B

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #0f1745;
/* rgb */ color: rgb(15, 23, 69);
/* oklch */ color: oklch(23.1% 0.087 270.5);

Tailwind

colors: {
  custom: {
    50: '#565379',
    500: '#0f1745',
    950: '#000000',
  },
}

SCSS

$custom: #0f1745;
$custom-light: #565379;
$custom-dark: #000000;

JSON

{
  "hex": "#0f1745",
  "rgb": {
    "r": 15,
    "g": 23,
    "b": 69
  },
  "hsl": {
    "h": 231.111,
    "s": 64.286,
    "l": 16.471
  },
  "oklch": {
    "l": 0.2311,
    "c": 0.08664,
    "h": 270.5
  },
  "luminance": 0.01144
}

Semantic roles & 50–950 ramp

primary

#0F1745

secondary

#7F7430

accent

#CF41E7

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#030209

muted

#78787B

Preview Lab

Preview with #0F1745

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

Preview Lab → · Contrast checker → · Palette generator →