#0B1345#0B1345

#0B1345 is a very dark, moderate blue. Relative luminance 0.010; OKLCH L 22.0% C 0.094 H 269.6°. Best body text is #FFFFFF at 17.60:1 contrast (WCAG AA passes).

Color values

HEX	#0B1345
RGB	rgb(11, 19, 69)
HSL	hsl(232, 73%, 16%)
HSV	hsv(232, 84%, 27%)
CMYK	cmyk(84.1%, 72.5%, 0%, 72.9%)
CIE-LAB	lab(8.71, 17.35, -32.39)
CIE-LCH	lch(8.71, 36.75, 298.18°)
OKLab	oklab(21.99% -0.0006 -0.0937)
OKLCH	oklch(21.99% 0.094 269.6)
XYZ	xyz(1.4447, 0.9664, 5.7395)
Luminance	0.0097 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B1345 #453D0B

analogous

#0B3045 #0B1345 #200B45

triadic

#0B1345 #450B13 #13450B

tetradic

#0B1345 #450B30 #453D0B #0B4520

square

#0B1345 #450B30 #453D0B #0B4520

split-complementary

#0B1345 #45200B #30450B

monochromatic

#04071A #04071A #0B1345 #13227A #1C30AF

Accessibility & contrast

On white

17.60

#0B1345 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.19

#0B1345 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B1345

17.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B1345	#FFFFFF	#000000	##FFFFFF
##0B1345	1.00	17.60	1.19	17.60
#FFFFFF	17.60	1.00	21.00	1.00
#000000	1.19	21.00	1.00	21.00
##FFFFFF	17.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001C47

Deuteranopia (green-blind)

#001644

Tritanopia (blue-blind)

#002029

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #0b1345;
/* rgb */ color: rgb(11, 19, 69);
/* oklch */ color: oklch(22.0% 0.094 269.6);

Tailwind

colors: {
  custom: {
    50: '#555079',
    500: '#0b1345',
    950: '#000000',
  },
}

SCSS

$custom: #0b1345;
$custom-light: #555079;
$custom-dark: #000000;

JSON

{
  "hex": "#0b1345",
  "rgb": {
    "r": 11,
    "g": 19,
    "b": 69
  },
  "hsl": {
    "h": 231.724,
    "s": 72.5,
    "l": 15.686
  },
  "oklch": {
    "l": 0.21989,
    "c": 0.09366,
    "h": 269.6
  },
  "luminance": 0.00967
}

Semantic roles & 50–950 ramp

primary

#0B1345

secondary

#81752A

accent

#D639EF

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#030209

muted

#78787B

Preview Lab

Preview with #0B1345

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

Preview Lab → · Contrast checker → · Palette generator →