#0B052E#0B052E

#0B052E is a very dark, moderate blue. Relative luminance 0.004; OKLCH L 16.4% C 0.078 H 281.0°. Best body text is #FFFFFF at 19.53:1 contrast (WCAG AA passes).

Color values

HEX	#0B052E
RGB	rgb(11, 5, 46)
HSL	hsl(249, 80%, 10%)
HSV	hsv(249, 89%, 18%)
CMYK	cmyk(76.1%, 89.1%, 0%, 82%)
CIE-LAB	lab(3.40, 13.40, -24.29)
CIE-LCH	lch(3.40, 27.74, 298.88°)
OKLab	oklab(16.39% 0.015 -0.0768)
OKLCH	oklch(16.39% 0.078 281)
XYZ	xyz(0.6853, 0.3769, 2.6209)
Luminance	0.0038 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B052E #282E05

analogous

#05142E #0B052E #1F052E

triadic

#0B052E #2E0B05 #052E0B

tetradic

#0B052E #2E0514 #282E05 #052E1F

square

#0B052E #2E0514 #282E05 #052E1F

split-complementary

#0B052E #2E1F05 #142E05

monochromatic

#07031C #07031C #0B052E #180B65 #25119C

Accessibility & contrast

On white

19.53

#0B052E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.08

#0B052E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B052E

19.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B052E	#FFFFFF	#000000	##FFFFFF
##0B052E	1.00	19.53	1.08	19.53
#FFFFFF	19.53	1.00	21.00	1.00
#000000	1.08	21.00	1.00	21.00
##FFFFFF	19.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000E2F

Deuteranopia (green-blind)

#000B2D

Tritanopia (blue-blind)

#001018

Achromatopsia (no color)

#0C0C0C

Design tokens & code

CSS

--color: #0b052e;
/* rgb */ color: rgb(11, 5, 46);
/* oklch */ color: oklch(16.4% 0.078 281.0);

Tailwind

colors: {
  custom: {
    50: '#4d4867',
    500: '#0b052e',
    950: '#000000',
  },
}

SCSS

$custom: #0b052e;
$custom-light: #4d4867;
$custom-dark: #000000;

JSON

{
  "hex": "#0b052e",
  "rgb": {
    "r": 11,
    "g": 5,
    "b": 46
  },
  "hsl": {
    "h": 248.78,
    "s": 80.392,
    "l": 10
  },
  "oklch": {
    "l": 0.1639,
    "c": 0.07825,
    "h": 281
  },
  "luminance": 0.00377
}

Semantic roles & 50–950 ramp

primary

#0B052E

secondary

#64701F

accent

#F731DA

background

#F4F4F6

surface

#E7E6EB

border

#C3C2C6

text

#020006

muted

#78777A

Preview Lab

Preview with #0B052E

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

Preview Lab → · Contrast checker → · Palette generator →