#0B103E#0B103E

#0B103E is a very dark, moderate blue. Relative luminance 0.008; OKLCH L 20.6% C 0.087 H 271.5°. Best body text is #FFFFFF at 18.13:1 contrast (WCAG AA passes).

Color values

HEX	#0B103E
RGB	rgb(11, 16, 62)
HSL	hsl(234, 70%, 14%)
HSV	hsv(234, 82%, 24%)
CMYK	cmyk(82.3%, 74.2%, 0%, 75.7%)
CIE-LAB	lab(7.13, 16.48, -30.01)
CIE-LCH	lch(7.13, 34.24, 298.78°)
OKLab	oklab(20.58% 0.0022 -0.0869)
OKLCH	oklch(20.58% 0.087 271.5)
XYZ	xyz(1.1925, 0.7894, 4.6460)
Luminance	0.0079 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B103E #3E390B

analogous

#0B2A3E #0B103E #200B3E

triadic

#0B103E #3E0B10 #103E0B

tetradic

#0B103E #3E0B2A #3E390B #0B3E20

square

#0B103E #3E0B2A #3E390B #0B3E20

split-complementary

#0B103E #3E200B #2A3E0B

monochromatic

#05071A #05071A #0B103E #141D72 #1D2BA6

Accessibility & contrast

On white

18.13

#0B103E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.16

#0B103E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B103E

18.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B103E	#FFFFFF	#000000	##FFFFFF
##0B103E	1.00	18.13	1.16	18.13
#FFFFFF	18.13	1.00	21.00	1.00
#000000	1.16	21.00	1.00	21.00
##FFFFFF	18.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00183F

Deuteranopia (green-blind)

#00133D

Tritanopia (blue-blind)

#001C25

Achromatopsia (no color)

#161616

Design tokens & code

CSS

--color: #0b103e;
/* rgb */ color: rgb(11, 16, 62);
/* oklch */ color: oklch(20.6% 0.087 271.5);

Tailwind

colors: {
  custom: {
    50: '#534e74',
    500: '#0b103e',
    950: '#000000',
  },
}

SCSS

$custom: #0b103e;
$custom-light: #534e74;
$custom-dark: #000000;

JSON

{
  "hex": "#0b103e",
  "rgb": {
    "r": 11,
    "g": 16,
    "b": 62
  },
  "hsl": {
    "h": 234.118,
    "s": 69.863,
    "l": 14.314
  },
  "oklch": {
    "l": 0.2058,
    "c": 0.08692,
    "h": 271.5
  },
  "luminance": 0.0079
}

Semantic roles & 50–950 ramp

primary

#0B103E

secondary

#7B732A

accent

#DB3BED

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#030108

muted

#78777B

Preview Lab

Preview with #0B103E

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

Preview Lab → · Contrast checker → · Palette generator →