#0B1645#0B1645

#0B1645 is a very dark, moderate blue. Relative luminance 0.011; OKLCH L 22.6% C 0.089 H 268.1°. Best body text is #FFFFFF at 17.28:1 contrast (WCAG AA passes).

Color values

HEX	#0B1645
RGB	rgb(11, 22, 69)
HSL	hsl(229, 73%, 16%)
HSV	hsv(229, 84%, 27%)
CMYK	cmyk(84.1%, 68.1%, 0%, 72.9%)
CIE-LAB	lab(9.60, 15.05, -30.93)
CIE-LCH	lch(9.60, 34.40, 295.94°)
OKLab	oklab(22.65% -0.0029 -0.0894)
OKLCH	oklch(22.65% 0.089 268.1)
XYZ	xyz(1.4987, 1.0745, 5.7575)
Luminance	0.0107 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B1645 #453A0B

analogous

#0B3345 #0B1645 #1D0B45

triadic

#0B1645 #450B16 #16450B

tetradic

#0B1645 #450B33 #453A0B #0B451D

square

#0B1645 #450B33 #453A0B #0B451D

split-complementary

#0B1645 #451D0B #33450B

monochromatic

#04081A #04081A #0B1645 #13277A #1C38AF

Accessibility & contrast

On white

17.28

#0B1645 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#0B1645 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B1645

17.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B1645	#FFFFFF	#000000	##FFFFFF
##0B1645	1.00	17.28	1.21	17.28
#FFFFFF	17.28	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001D47

Deuteranopia (green-blind)

#001844

Tritanopia (blue-blind)

#00222A

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #0b1645;
/* rgb */ color: rgb(11, 22, 69);
/* oklch */ color: oklch(22.6% 0.089 268.1);

Tailwind

colors: {
  custom: {
    50: '#555279',
    500: '#0b1645',
    950: '#000000',
  },
}

SCSS

$custom: #0b1645;
$custom-light: #555279;
$custom-dark: #000000;

JSON

{
  "hex": "#0b1645",
  "rgb": {
    "r": 11,
    "g": 22,
    "b": 69
  },
  "hsl": {
    "h": 228.621,
    "s": 72.5,
    "l": 15.686
  },
  "oklch": {
    "l": 0.22645,
    "c": 0.08942,
    "h": 268.1
  },
  "luminance": 0.01075
}

Semantic roles & 50–950 ramp

primary

#0B1645

secondary

#81712A

accent

#CD39EF

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#030209

muted

#78787B

Preview Lab

Preview with #0B1645

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

Preview Lab → · Contrast checker → · Palette generator →