#0B1048#0B1048

#0B1048 is a very dark, moderate blue. Relative luminance 0.009; OKLCH L 21.7% C 0.102 H 270.6°. Best body text is #FFFFFF at 17.77:1 contrast (WCAG AA passes).

Color values

HEX	#0B1048
RGB	rgb(11, 16, 72)
HSL	hsl(235, 73%, 16%)
HSV	hsv(235, 85%, 28%)
CMYK	cmyk(84.7%, 77.8%, 0%, 71.8%)
CIE-LAB	lab(8.21, 20.84, -35.31)
CIE-LCH	lch(8.21, 41.00, 300.56°)
OKLab	oklab(21.73% 0.0011 -0.1022)
OKLCH	oklch(21.73% 0.102 270.6)
XYZ	xyz(1.4926, 0.9094, 6.2265)
Luminance	0.0091 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B1048 #48430B

analogous

#0B2F48 #0B1048 #250B48

triadic

#0B1048 #480B10 #10480B

tetradic

#0B1048 #480B2F #48430B #0B4825

square

#0B1048 #480B2F #48430B #0B4825

split-complementary

#0B1048 #48250B #2F480B

monochromatic

#04061B #04061B #0B1048 #131C7D #1B28B2

Accessibility & contrast

On white

17.77

#0B1048 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.18

#0B1048 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B1048

17.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B1048	#FFFFFF	#000000	##FFFFFF
##0B1048	1.00	17.77	1.18	17.77
#FFFFFF	17.77	1.00	21.00	1.00
#000000	1.18	21.00	1.00	21.00
##FFFFFF	17.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001B4A

Deuteranopia (green-blind)

#001547

Tritanopia (blue-blind)

#00202A

Achromatopsia (no color)

#181818

Design tokens & code

CSS

--color: #0b1048;
/* rgb */ color: rgb(11, 16, 72);
/* oklch */ color: oklch(21.7% 0.102 270.6);

Tailwind

colors: {
  custom: {
    50: '#564e7c',
    500: '#0b1048',
    950: '#000000',
  },
}

SCSS

$custom: #0b1048;
$custom-light: #564e7c;
$custom-dark: #000000;

JSON

{
  "hex": "#0b1048",
  "rgb": {
    "r": 11,
    "g": 16,
    "b": 72
  },
  "hsl": {
    "h": 235.082,
    "s": 73.494,
    "l": 16.275
  },
  "oklch": {
    "l": 0.2173,
    "c": 0.10221,
    "h": 270.6
  },
  "luminance": 0.0091
}

Semantic roles & 50–950 ramp

primary

#0B1048

secondary

#847D2A

accent

#E138F0

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#030109

muted

#78777B

Preview Lab

Preview with #0B1048

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

Preview Lab → · Contrast checker → · Palette generator →