#0B053D#0B053D

#0B053D is a very dark, moderate blue. Relative luminance 0.005; OKLCH L 18.4% C 0.100 H 275.7°. Best body text is #FFFFFF at 19.03:1 contrast (WCAG AA passes).

Color values

HEX	#0B053D
RGB	rgb(11, 5, 61)
HSL	hsl(246, 85%, 13%)
HSV	hsv(246, 92%, 24%)
CMYK	cmyk(82%, 91.8%, 0%, 76.1%)
CIE-LAB	lab(4.67, 21.72, -33.31)
CIE-LCH	lch(4.67, 39.77, 303.11°)
OKLab	oklab(18.37% 0.01 -0.0993)
OKLCH	oklch(18.37% 0.1 275.7)
XYZ	xyz(1.0343, 0.5165, 4.4592)
Luminance	0.0052 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B053D #373D05

analogous

#051B3D #0B053D #27053D

triadic

#0B053D #3D0B05 #053D0B

tetradic

#0B053D #3D051B #373D05 #053D27

square

#0B053D #3D051B #373D05 #053D27

split-complementary

#0B053D #3D2705 #1B3D05

monochromatic

#05021C #05021C #0B053D #150A76 #1F0EAE

Accessibility & contrast

On white

19.03

#0B053D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.10

#0B053D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B053D

19.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B053D	#FFFFFF	#000000	##FFFFFF
##0B053D	1.00	19.03	1.10	19.03
#FFFFFF	19.03	1.00	21.00	1.00
#000000	1.10	21.00	1.00	21.00
##FFFFFF	19.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00123F

Deuteranopia (green-blind)

#000D3C

Tritanopia (blue-blind)

#001621

Achromatopsia (no color)

#101010

Design tokens & code

CSS

--color: #0b053d;
/* rgb */ color: rgb(11, 5, 61);
/* oklch */ color: oklch(18.4% 0.100 275.7);

Tailwind

colors: {
  custom: {
    50: '#534873',
    500: '#0b053d',
    950: '#000000',
  },
}

SCSS

$custom: #0b053d;
$custom-light: #534873;
$custom-dark: #000000;

JSON

{
  "hex": "#0b053d",
  "rgb": {
    "r": 11,
    "g": 5,
    "b": 61
  },
  "hsl": {
    "h": 246.429,
    "s": 84.848,
    "l": 12.941
  },
  "oklch": {
    "l": 0.18373,
    "c": 0.09984,
    "h": 275.7
  },
  "luminance": 0.00517
}

Semantic roles & 50–950 ramp

primary

#0B053D

secondary

#747E20

accent

#FB2DE5

background

#F5F4F7

surface

#E9E6ED

border

#C5C2C8

text

#030008

muted

#78777B

Preview Lab

Preview with #0B053D

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

Preview Lab → · Contrast checker → · Palette generator →