#0B103D#0B103D

#0B103D is a very dark, moderate blue. Relative luminance 0.008; OKLCH L 20.5% C 0.085 H 271.5°. Best body text is #FFFFFF at 18.17:1 contrast (WCAG AA passes).

Color values

HEX	#0B103D
RGB	rgb(11, 16, 61)
HSL	hsl(234, 69%, 14%)
HSV	hsv(234, 82%, 24%)
CMYK	cmyk(82%, 73.8%, 0%, 76.1%)
CIE-LAB	lab(7.03, 16.02, -29.45)
CIE-LCH	lch(7.03, 33.53, 298.54°)
OKLab	oklab(20.47% 0.0023 -0.0853)
OKLCH	oklch(20.47% 0.085 271.5)
XYZ	xyz(1.1653, 0.7785, 4.5028)
Luminance	0.0078 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B103D #3D380B

analogous

#0B293D #0B103D #1F0B3D

triadic

#0B103D #3D0B10 #103D0B

tetradic

#0B103D #3D0B29 #3D380B #0B3D1F

square

#0B103D #3D0B29 #3D380B #0B3D1F

split-complementary

#0B103D #3D1F0B #293D0B

monochromatic

#05071A #05071A #0B103D #141E71 #1E2BA5

Accessibility & contrast

On white

18.17

#0B103D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.16

#0B103D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B103D

18.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B103D	#FFFFFF	#000000	##FFFFFF
##0B103D	1.00	18.17	1.16	18.17
#FFFFFF	18.17	1.00	21.00	1.00
#000000	1.16	21.00	1.00	21.00
##FFFFFF	18.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00183E

Deuteranopia (green-blind)

#00133C

Tritanopia (blue-blind)

#001C24

Achromatopsia (no color)

#161616

Design tokens & code

CSS

--color: #0b103d;
/* rgb */ color: rgb(11, 16, 61);
/* oklch */ color: oklch(20.5% 0.085 271.5);

Tailwind

colors: {
  custom: {
    50: '#534e73',
    500: '#0b103d',
    950: '#000000',
  },
}

SCSS

$custom: #0b103d;
$custom-light: #534e73;
$custom-dark: #000000;

JSON

{
  "hex": "#0b103d",
  "rgb": {
    "r": 11,
    "g": 16,
    "b": 61
  },
  "hsl": {
    "h": 234,
    "s": 69.444,
    "l": 14.118
  },
  "oklch": {
    "l": 0.20469,
    "c": 0.08533,
    "h": 271.5
  },
  "luminance": 0.00779
}

Semantic roles & 50–950 ramp

primary

#0B103D

secondary

#7A722A

accent

#DB3CEC

background

#F5F4F7

surface

#E8E7ED

border

#C4C3C8

text

#030108

muted

#78777B

Preview Lab

Preview with #0B103D

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

Preview Lab → · Contrast checker → · Palette generator →