#0B052D#0B052D

#0B052D is a very dark, moderate blue. Relative luminance 0.004; OKLCH L 16.3% C 0.077 H 281.5°. Best body text is #FFFFFF at 19.56:1 contrast (WCAG AA passes).

Color values

HEX	#0B052D
RGB	rgb(11, 5, 45)
HSL	hsl(249, 80%, 10%)
HSV	hsv(249, 89%, 18%)
CMYK	cmyk(75.6%, 88.9%, 0%, 82.4%)
CIE-LAB	lab(3.33, 12.90, -23.65)
CIE-LCH	lch(3.33, 26.94, 298.62°)
OKLab	oklab(16.26% 0.0153 -0.0752)
OKLCH	oklch(16.26% 0.077 281.5)
XYZ	xyz(0.6658, 0.3691, 2.5183)
Luminance	0.0037 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B052D #272D05

analogous

#05132D #0B052D #1F052D

triadic

#0B052D #2D0B05 #052D0B

tetradic

#0B052D #2D0513 #272D05 #052D1F

square

#0B052D #2D0513 #272D05 #052D1F

split-complementary

#0B052D #2D1F05 #132D05

monochromatic

#07031C #07031C #0B052D #180B64 #26119B

Accessibility & contrast

On white

19.56

#0B052D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.07

#0B052D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B052D

19.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B052D	#FFFFFF	#000000	##FFFFFF
##0B052D	1.00	19.56	1.07	19.56
#FFFFFF	19.56	1.00	21.00	1.00
#000000	1.07	21.00	1.00	21.00
##FFFFFF	19.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000D2E

Deuteranopia (green-blind)

#000B2C

Tritanopia (blue-blind)

#001018

Achromatopsia (no color)

#0C0C0C

Design tokens & code

CSS

--color: #0b052d;
/* rgb */ color: rgb(11, 5, 45);
/* oklch */ color: oklch(16.3% 0.077 281.5);

Tailwind

colors: {
  custom: {
    50: '#4d4866',
    500: '#0b052d',
    950: '#000000',
  },
}

SCSS

$custom: #0b052d;
$custom-light: #4d4866;
$custom-dark: #000000;

JSON

{
  "hex": "#0b052d",
  "rgb": {
    "r": 11,
    "g": 5,
    "b": 45
  },
  "hsl": {
    "h": 249,
    "s": 80,
    "l": 9.804
  },
  "oklch": {
    "l": 0.16264,
    "c": 0.07674,
    "h": 281.5
  },
  "luminance": 0.00369
}

Semantic roles & 50–950 ramp

primary

#0B052D

secondary

#636F1F

accent

#F631D9

background

#F4F4F6

surface

#E7E6EB

border

#C3C2C6

text

#010006

muted

#77777A

Preview Lab

Preview with #0B052D

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

Preview Lab → · Contrast checker → · Palette generator →