#0B0D40#0B0D40

#0B0D40 is a very dark, moderate blue. Relative luminance 0.007; OKLCH L 20.2% C 0.094 H 272.5°. Best body text is #FFFFFF at 18.33:1 contrast (WCAG AA passes).

Color values

HEX	#0B0D40
RGB	rgb(11, 13, 64)
HSL	hsl(238, 71%, 15%)
HSV	hsv(238, 83%, 25%)
CMYK	cmyk(82.8%, 79.7%, 0%, 74.9%)
CIE-LAB	lab(6.58, 19.30, -32.33)
CIE-LCH	lch(6.58, 37.65, 300.84°)
OKLab	oklab(20.21% 0.0042 -0.094)
OKLCH	oklch(20.21% 0.094 272.5)
XYZ	xyz(1.2070, 0.7290, 4.9266)
Luminance	0.0073 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Navy Blue (survey)

#001146

ΔE00 2.33

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B0D40 #403E0B

analogous

#0B2840 #0B0D40 #240B40

triadic

#0B0D40 #400B0D #0D400B

tetradic

#0B0D40 #400B28 #403E0B #0B4024

square

#0B0D40 #400B28 #403E0B #0B4024

split-complementary

#0B0D40 #40240B #28400B

monochromatic

#04051A #04051A #0B0D40 #141874 #1D22A8

Accessibility & contrast

On white

18.33

#0B0D40 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.15

#0B0D40 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B0D40

18.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B0D40	#FFFFFF	#000000	##FFFFFF
##0B0D40	1.00	18.33	1.15	18.33
#FFFFFF	18.33	1.00	21.00	1.00
#000000	1.15	21.00	1.00	21.00
##FFFFFF	18.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001742

Deuteranopia (green-blind)

#00123F

Tritanopia (blue-blind)

#001B25

Achromatopsia (no color)

#151515

Design tokens & code

CSS

--color: #0b0d40;
/* rgb */ color: rgb(11, 13, 64);
/* oklch */ color: oklch(20.2% 0.094 272.5);

Tailwind

colors: {
  custom: {
    50: '#544c75',
    500: '#0b0d40',
    950: '#000000',
  },
}

SCSS

$custom: #0b0d40;
$custom-light: #544c75;
$custom-dark: #000000;

JSON

{
  "hex": "#0b0d40",
  "rgb": {
    "r": 11,
    "g": 13,
    "b": 64
  },
  "hsl": {
    "h": 237.736,
    "s": 70.667,
    "l": 14.706
  },
  "oklch": {
    "l": 0.2021,
    "c": 0.09407,
    "h": 272.5
  },
  "luminance": 0.00729
}

Semantic roles & 50–950 ramp

primary

#0B0D40

secondary

#7D7A2A

accent

#E73AED

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#030108

muted

#78777B

Preview Lab

Preview with #0B0D40

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

Preview Lab → · Contrast checker → · Palette generator →