#0B053F#0B053F

#0B053F is a very dark, moderate blue. Relative luminance 0.005; OKLCH L 18.6% C 0.103 H 275.2°. Best body text is #FFFFFF at 18.96:1 contrast (WCAG AA passes).

Color values

HEX	#0B053F
RGB	rgb(11, 5, 63)
HSL	hsl(246, 85%, 13%)
HSV	hsv(246, 92%, 25%)
CMYK	cmyk(82.5%, 92.1%, 0%, 75.3%)
CIE-LAB	lab(4.86, 22.79, -34.42)
CIE-LCH	lch(4.86, 41.29, 303.51°)
OKLab	oklab(18.65% 0.0093 -0.1022)
OKLCH	oklch(18.65% 0.103 275.2)
XYZ	xyz(1.0892, 0.5385, 4.7482)
Luminance	0.0054 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Night Blue

#040348

ΔE00 2.46

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B053F #393F05

analogous

#051C3F #0B053F #28053F

triadic

#0B053F #3F0B05 #053F0B

tetradic

#0B053F #3F051C #393F05 #053F28

square

#0B053F #3F051C #393F05 #053F28

split-complementary

#0B053F #3F2805 #1C3F05

monochromatic

#05021C #05021C #0B053F #150978 #1F0EB0

Accessibility & contrast

On white

18.96

#0B053F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.11

#0B053F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B053F

18.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B053F	#FFFFFF	#000000	##FFFFFF
##0B053F	1.00	18.96	1.11	18.96
#FFFFFF	18.96	1.00	21.00	1.00
#000000	1.11	21.00	1.00	21.00
##FFFFFF	18.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001341

Deuteranopia (green-blind)

#000E3E

Tritanopia (blue-blind)

#001722

Achromatopsia (no color)

#101010

Design tokens & code

CSS

--color: #0b053f;
/* rgb */ color: rgb(11, 5, 63);
/* oklch */ color: oklch(18.6% 0.103 275.2);

Tailwind

colors: {
  custom: {
    50: '#544875',
    500: '#0b053f',
    950: '#000000',
  },
}

SCSS

$custom: #0b053f;
$custom-light: #544875;
$custom-dark: #000000;

JSON

{
  "hex": "#0b053f",
  "rgb": {
    "r": 11,
    "g": 5,
    "b": 63
  },
  "hsl": {
    "h": 246.207,
    "s": 85.294,
    "l": 13.333
  },
  "oklch": {
    "l": 0.18648,
    "c": 0.10259,
    "h": 275.2
  },
  "luminance": 0.00539
}

Semantic roles & 50–950 ramp

primary

#0B053F

secondary

#768020

accent

#FC2CE6

background

#F5F4F7

surface

#E9E6ED

border

#C5C2C8

text

#030008

muted

#78777B

Preview Lab

Preview with #0B053F

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

Preview Lab → · Contrast checker → · Palette generator →