#0B1047#0B1047

#0B1047 is a very dark, moderate blue. Relative luminance 0.009; OKLCH L 21.6% C 0.101 H 270.7°. Best body text is #FFFFFF at 17.81:1 contrast (WCAG AA passes).

Color values

HEX	#0B1047
RGB	rgb(11, 16, 71)
HSL	hsl(235, 73%, 16%)
HSV	hsv(235, 85%, 28%)
CMYK	cmyk(84.5%, 77.5%, 0%, 72.2%)
CIE-LAB	lab(8.10, 20.43, -34.80)
CIE-LCH	lch(8.10, 40.35, 300.42°)
OKLab	oklab(21.61% 0.0012 -0.1007)
OKLCH	oklch(21.61% 0.101 270.7)
XYZ	xyz(1.4602, 0.8965, 6.0561)
Luminance	0.0090 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B1047 #47420B

analogous

#0B2E47 #0B1047 #240B47

triadic

#0B1047 #470B10 #10470B

tetradic

#0B1047 #470B2E #47420B #0B4724

square

#0B1047 #470B2E #47420B #0B4724

split-complementary

#0B1047 #47240B #2E470B

monochromatic

#04061A #04061A #0B1047 #131C7C #1B28B1

Accessibility & contrast

On white

17.81

#0B1047 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.18

#0B1047 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B1047

17.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B1047	#FFFFFF	#000000	##FFFFFF
##0B1047	1.00	17.81	1.18	17.81
#FFFFFF	17.81	1.00	21.00	1.00
#000000	1.18	21.00	1.00	21.00
##FFFFFF	17.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001B49

Deuteranopia (green-blind)

#001546

Tritanopia (blue-blind)

#001F2A

Achromatopsia (no color)

#181818

Design tokens & code

CSS

--color: #0b1047;
/* rgb */ color: rgb(11, 16, 71);
/* oklch */ color: oklch(21.6% 0.101 270.7);

Tailwind

colors: {
  custom: {
    50: '#564e7b',
    500: '#0b1047',
    950: '#000000',
  },
}

SCSS

$custom: #0b1047;
$custom-light: #564e7b;
$custom-dark: #000000;

JSON

{
  "hex": "#0b1047",
  "rgb": {
    "r": 11,
    "g": 16,
    "b": 71
  },
  "hsl": {
    "h": 235,
    "s": 73.171,
    "l": 16.078
  },
  "oklch": {
    "l": 0.21612,
    "c": 0.10072,
    "h": 270.7
  },
  "luminance": 0.00897
}

Semantic roles & 50–950 ramp

primary

#0B1047

secondary

#837C2A

accent

#E138F0

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#030109

muted

#78777B

Preview Lab

Preview with #0B1047

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

Preview Lab → · Contrast checker → · Palette generator →