#0B1340#0B1340

#0B1340 is a very dark, moderate blue. Relative luminance 0.009; OKLCH L 21.4% C 0.086 H 269.8°. Best body text is #FFFFFF at 17.78:1 contrast (WCAG AA passes).

Color values

HEX	#0B1340
RGB	rgb(11, 19, 64)
HSL	hsl(231, 71%, 15%)
HSV	hsv(231, 83%, 25%)
CMYK	cmyk(82.8%, 70.3%, 0%, 74.9%)
CIE-LAB	lab(8.19, 15.18, -29.70)
CIE-LCH	lch(8.19, 33.36, 297.07°)
OKLab	oklab(21.45% -0.0004 -0.0858)
OKLCH	oklch(21.45% 0.086 269.8)
XYZ	xyz(1.2960, 0.9069, 4.9562)
Luminance	0.0091 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B1340 #40380B

analogous

#0B2E40 #0B1340 #1D0B40

triadic

#0B1340 #400B13 #13400B

tetradic

#0B1340 #400B2E #40380B #0B401D

square

#0B1340 #400B2E #40380B #0B401D

split-complementary

#0B1340 #401D0B #2E400B

monochromatic

#04081A #04081A #0B1340 #142374 #1D32A8

Accessibility & contrast

On white

17.78

#0B1340 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.18

#0B1340 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B1340

17.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B1340	#FFFFFF	#000000	##FFFFFF
##0B1340	1.00	17.78	1.18	17.78
#FFFFFF	17.78	1.00	21.00	1.00
#000000	1.18	21.00	1.00	21.00
##FFFFFF	17.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001A41

Deuteranopia (green-blind)

#00153F

Tritanopia (blue-blind)

#001F27

Achromatopsia (no color)

#181818

Design tokens & code

CSS

--color: #0b1340;
/* rgb */ color: rgb(11, 19, 64);
/* oklch */ color: oklch(21.4% 0.086 269.8);

Tailwind

colors: {
  custom: {
    50: '#535075',
    500: '#0b1340',
    950: '#000000',
  },
}

SCSS

$custom: #0b1340;
$custom-light: #535075;
$custom-dark: #000000;

JSON

{
  "hex": "#0b1340",
  "rgb": {
    "r": 11,
    "g": 19,
    "b": 64
  },
  "hsl": {
    "h": 230.943,
    "s": 70.667,
    "l": 14.706
  },
  "oklch": {
    "l": 0.21448,
    "c": 0.08579,
    "h": 269.8
  },
  "luminance": 0.00907
}

Semantic roles & 50–950 ramp

primary

#0B1340

secondary

#7D702A

accent

#D23AED

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#030208

muted

#78787B

Preview Lab

Preview with #0B1340

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

Preview Lab → · Contrast checker → · Palette generator →