#0B103C#0B103C

#0B103C is a very dark, moderate blue. Relative luminance 0.008; OKLCH L 20.4% C 0.084 H 271.6°. Best body text is #FFFFFF at 18.20:1 contrast (WCAG AA passes).

Color values

HEX	#0B103C
RGB	rgb(11, 16, 60)
HSL	hsl(234, 69%, 14%)
HSV	hsv(234, 82%, 24%)
CMYK	cmyk(81.7%, 73.3%, 0%, 76.5%)
CIE-LAB	lab(6.94, 15.54, -28.89)
CIE-LCH	lch(6.94, 32.81, 298.28°)
OKLab	oklab(20.36% 0.0024 -0.0837)
OKLCH	oklch(20.36% 0.084 271.6)
XYZ	xyz(1.1386, 0.7679, 4.3623)
Luminance	0.0077 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B103C #3C370B

analogous

#0B293C #0B103C #1F0B3C

triadic

#0B103C #3C0B10 #103C0B

tetradic

#0B103C #3C0B29 #3C370B #0B3C1F

square

#0B103C #3C0B29 #3C370B #0B3C1F

split-complementary

#0B103C #3C1F0B #293C0B

monochromatic

#05071A #05071A #0B103C #141E70 #1E2CA3

Accessibility & contrast

On white

18.20

#0B103C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.15

#0B103C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B103C

18.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B103C	#FFFFFF	#000000	##FFFFFF
##0B103C	1.00	18.20	1.15	18.20
#FFFFFF	18.20	1.00	21.00	1.00
#000000	1.15	21.00	1.00	21.00
##FFFFFF	18.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00183D

Deuteranopia (green-blind)

#00133B

Tritanopia (blue-blind)

#001B24

Achromatopsia (no color)

#151515

Design tokens & code

CSS

--color: #0b103c;
/* rgb */ color: rgb(11, 16, 60);
/* oklch */ color: oklch(20.4% 0.084 271.6);

Tailwind

colors: {
  custom: {
    50: '#524e72',
    500: '#0b103c',
    950: '#000000',
  },
}

SCSS

$custom: #0b103c;
$custom-light: #524e72;
$custom-dark: #000000;

JSON

{
  "hex": "#0b103c",
  "rgb": {
    "r": 11,
    "g": 16,
    "b": 60
  },
  "hsl": {
    "h": 233.878,
    "s": 69.014,
    "l": 13.922
  },
  "oklch": {
    "l": 0.2036,
    "c": 0.08373,
    "h": 271.6
  },
  "luminance": 0.00768
}

Semantic roles & 50–950 ramp

primary

#0B103C

secondary

#79712A

accent

#DA3CEC

background

#F4F4F6

surface

#E8E7EC

border

#C4C3C7

text

#030108

muted

#78777B

Preview Lab

Preview with #0B103C

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

Preview Lab → · Contrast checker → · Palette generator →