#0B1945#0B1945

#0B1945 is a very dark, moderate blue. Relative luminance 0.012; OKLCH L 23.3% C 0.085 H 266.4°. Best body text is #FFFFFF at 16.95:1 contrast (WCAG AA passes).

Color values

HEX	#0B1945
RGB	rgb(11, 25, 69)
HSL	hsl(226, 73%, 16%)
HSV	hsv(226, 84%, 27%)
CMYK	cmyk(84.1%, 63.8%, 0%, 72.9%)
CIE-LAB	lab(10.53, 12.71, -29.42)
CIE-LCH	lch(10.53, 32.05, 293.37°)
OKLab	oklab(23.34% -0.0054 -0.0849)
OKLCH	oklch(23.34% 0.085 266.4)
XYZ	xyz(1.5594, 1.1959, 5.7777)
Luminance	0.0120 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 5.40

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B1945 #45370B

analogous

#0B3645 #0B1945 #1A0B45

triadic

#0B1945 #450B19 #19450B

tetradic

#0B1945 #450B36 #45370B #0B451A

square

#0B1945 #450B36 #45370B #0B451A

split-complementary

#0B1945 #451A0B #36450B

monochromatic

#040A1A #040A1A #0B1945 #132C7A #1C3FAF

Accessibility & contrast

On white

16.95

#0B1945 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.24

#0B1945 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B1945

16.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B1945	#FFFFFF	#000000	##FFFFFF
##0B1945	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)

#001F47

Deuteranopia (green-blind)

#001A44

Tritanopia (blue-blind)

#00242C

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #0b1945;
/* rgb */ color: rgb(11, 25, 69);
/* oklch */ color: oklch(23.3% 0.085 266.4);

Tailwind

colors: {
  custom: {
    50: '#545579',
    500: '#0b1945',
    950: '#000000',
  },
}

SCSS

$custom: #0b1945;
$custom-light: #545579;
$custom-dark: #000000;

JSON

{
  "hex": "#0b1945",
  "rgb": {
    "r": 11,
    "g": 25,
    "b": 69
  },
  "hsl": {
    "h": 225.517,
    "s": 72.5,
    "l": 15.686
  },
  "oklch": {
    "l": 0.23339,
    "c": 0.08504,
    "h": 266.4
  },
  "luminance": 0.01196
}

Semantic roles & 50–950 ramp

primary

#0B1945

secondary

#816C2A

accent

#C339EF

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#030309

muted

#78787B

Preview Lab

Preview with #0B1945

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

Preview Lab → · Contrast checker → · Palette generator →