#0B1148#0B1148

#0B1148 is a very dark, moderate blue. Relative luminance 0.009; OKLCH L 21.9% C 0.101 H 270.3°. Best body text is #FFFFFF at 17.68:1 contrast (WCAG AA passes).

Color values

HEX	#0B1148
RGB	rgb(11, 17, 72)
HSL	hsl(234, 73%, 16%)
HSV	hsv(234, 85%, 28%)
CMYK	cmyk(84.7%, 76.4%, 0%, 71.8%)
CIE-LAB	lab(8.48, 20.12, -34.87)
CIE-LCH	lch(8.48, 40.26, 299.98°)
OKLab	oklab(21.92% 0.0005 -0.1009)
OKLCH	oklch(21.92% 0.101 270.3)
XYZ	xyz(1.5078, 0.9398, 6.2316)
Luminance	0.0094 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B1148 #48420B

analogous

#0B3048 #0B1148 #240B48

triadic

#0B1148 #480B11 #11480B

tetradic

#0B1148 #480B30 #48420B #0B4824

square

#0B1148 #480B30 #48420B #0B4824

split-complementary

#0B1148 #48240B #30480B

monochromatic

#04061B #04061B #0B1148 #131E7D #1B2AB2

Accessibility & contrast

On white

17.68

#0B1148 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.19

#0B1148 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B1148

17.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B1148	#FFFFFF	#000000	##FFFFFF
##0B1148	1.00	17.68	1.19	17.68
#FFFFFF	17.68	1.00	21.00	1.00
#000000	1.19	21.00	1.00	21.00
##FFFFFF	17.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001B4A

Deuteranopia (green-blind)

#001647

Tritanopia (blue-blind)

#00202A

Achromatopsia (no color)

#181818

Design tokens & code

CSS

--color: #0b1148;
/* rgb */ color: rgb(11, 17, 72);
/* oklch */ color: oklch(21.9% 0.101 270.3);

Tailwind

colors: {
  custom: {
    50: '#564f7c',
    500: '#0b1148',
    950: '#000000',
  },
}

SCSS

$custom: #0b1148;
$custom-light: #564f7c;
$custom-dark: #000000;

JSON

{
  "hex": "#0b1148",
  "rgb": {
    "r": 11,
    "g": 17,
    "b": 72
  },
  "hsl": {
    "h": 234.098,
    "s": 73.494,
    "l": 16.275
  },
  "oklch": {
    "l": 0.21922,
    "c": 0.10092,
    "h": 270.3
  },
  "luminance": 0.0094
}

Semantic roles & 50–950 ramp

primary

#0B1148

secondary

#847C2A

accent

#DE38F0

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#030109

muted

#78777B

Preview Lab

Preview with #0B1148

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

Preview Lab → · Contrast checker → · Palette generator →