#0B0939#0B0939

#0B0939 is a very dark, moderate blue. Relative luminance 0.006; OKLCH L 18.6% C 0.089 H 275.3°. Best body text is #FFFFFF at 18.88:1 contrast (WCAG AA passes).

Color values

HEX	#0B0939
RGB	rgb(11, 9, 57)
HSL	hsl(243, 73%, 13%)
HSV	hsv(243, 84%, 22%)
CMYK	cmyk(80.7%, 84.2%, 0%, 77.6%)
CIE-LAB	lab(5.07, 17.76, -29.74)
CIE-LCH	lch(5.07, 34.65, 300.85°)
OKLab	oklab(18.62% 0.0083 -0.0882)
OKLCH	oklch(18.62% 0.089 275.3)
XYZ	xyz(0.9740, 0.5618, 3.9272)
Luminance	0.0056 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B0939 #373909

analogous

#091F39 #0B0939 #230939

triadic

#0B0939 #390B09 #09390B

tetradic

#0B0939 #39091F #373909 #093923

square

#0B0939 #39091F #373909 #093923

split-complementary

#0B0939 #392309 #1F3909

monochromatic

#05041A #05041A #0B0939 #15116E #1F1AA3

Accessibility & contrast

On white

18.88

#0B0939 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.11

#0B0939 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B0939

18.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B0939	#FFFFFF	#000000	##FFFFFF
##0B0939	1.00	18.88	1.11	18.88
#FFFFFF	18.88	1.00	21.00	1.00
#000000	1.11	21.00	1.00	21.00
##FFFFFF	18.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00133A

Deuteranopia (green-blind)

#000F38

Tritanopia (blue-blind)

#001720

Achromatopsia (no color)

#111111

Design tokens & code

CSS

--color: #0b0939;
/* rgb */ color: rgb(11, 9, 57);
/* oklch */ color: oklch(18.6% 0.089 275.3);

Tailwind

colors: {
  custom: {
    50: '#514a70',
    500: '#0b0939',
    950: '#000000',
  },
}

SCSS

$custom: #0b0939;
$custom-light: #514a70;
$custom-dark: #000000;

JSON

{
  "hex": "#0b0939",
  "rgb": {
    "r": 11,
    "g": 9,
    "b": 57
  },
  "hsl": {
    "h": 242.5,
    "s": 72.727,
    "l": 12.941
  },
  "oklch": {
    "l": 0.18619,
    "c": 0.08862,
    "h": 275.3
  },
  "luminance": 0.00562
}

Semantic roles & 50–950 ramp

primary

#0B0939

secondary

#747727

accent

#EF38E8

background

#F4F4F6

surface

#E7E7EC

border

#C3C3C7

text

#020107

muted

#78777A

Preview Lab

Preview with #0B0939

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

Preview Lab → · Contrast checker → · Palette generator →