#0B053A#0B053A

#0B053A is a very dark, moderate blue. Relative luminance 0.005; OKLCH L 18.0% C 0.096 H 276.6°. Best body text is #FFFFFF at 19.14:1 contrast (WCAG AA passes).

Color values

HEX	#0B053A
RGB	rgb(11, 5, 58)
HSL	hsl(247, 84%, 12%)
HSV	hsv(247, 91%, 23%)
CMYK	cmyk(81%, 91.4%, 0%, 77.3%)
CIE-LAB	lab(4.38, 20.07, -31.60)
CIE-LCH	lch(4.38, 37.43, 302.42°)
OKLab	oklab(17.97% 0.011 -0.095)
OKLCH	oklch(17.97% 0.096 276.6)
XYZ	xyz(0.9558, 0.4851, 4.0454)
Luminance	0.0049 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B053A #343A05

analogous

#051A3A #0B053A #25053A

triadic

#0B053A #3A0B05 #053A0B

tetradic

#0B053A #3A051A #343A05 #053A25

square

#0B053A #3A051A #343A05 #053A25

split-complementary

#0B053A #3A2505 #1A3A05

monochromatic

#05021C #05021C #0B053A #160A72 #200FAB

Accessibility & contrast

On white

19.14

#0B053A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.10

#0B053A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B053A

19.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B053A	#FFFFFF	#000000	##FFFFFF
##0B053A	1.00	19.14	1.10	19.14
#FFFFFF	19.14	1.00	21.00	1.00
#000000	1.10	21.00	1.00	21.00
##FFFFFF	19.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00113B

Deuteranopia (green-blind)

#000D39

Tritanopia (blue-blind)

#00151F

Achromatopsia (no color)

#0F0F0F

Design tokens & code

CSS

--color: #0b053a;
/* rgb */ color: rgb(11, 5, 58);
/* oklch */ color: oklch(18.0% 0.096 276.6);

Tailwind

colors: {
  custom: {
    50: '#524871',
    500: '#0b053a',
    950: '#000000',
  },
}

SCSS

$custom: #0b053a;
$custom-light: #524871;
$custom-dark: #000000;

JSON

{
  "hex": "#0b053a",
  "rgb": {
    "r": 11,
    "g": 5,
    "b": 58
  },
  "hsl": {
    "h": 246.792,
    "s": 84.127,
    "l": 12.353
  },
  "oklch": {
    "l": 0.17965,
    "c": 0.09566,
    "h": 276.6
  },
  "luminance": 0.00485
}

Semantic roles & 50–950 ramp

primary

#0B053A

secondary

#717B20

accent

#FA2DE3

background

#F4F4F6

surface

#E7E6EC

border

#C3C2C7

text

#030008

muted

#78777B

Preview Lab

Preview with #0B053A

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

Preview Lab → · Contrast checker → · Palette generator →