#0B134E#0B134E

#0B134E is a very dark, moderate blue. Relative luminance 0.011; OKLCH L 23.0% C 0.107 H 269.3°. Best body text is #FFFFFF at 17.25:1 contrast (WCAG AA passes).

Color values

HEX	#0B134E
RGB	rgb(11, 19, 78)
HSL	hsl(233, 75%, 17%)
HSV	hsv(233, 86%, 31%)
CMYK	cmyk(85.9%, 75.6%, 0%, 69.4%)
CIE-LAB	lab(9.69, 21.17, -37.04)
CIE-LCH	lch(9.69, 42.66, 299.75°)
OKLab	oklab(23.01% -0.0014 -0.1072)
OKLCH	oklch(23.01% 0.107 269.3)
XYZ	xyz(1.7456, 1.0868, 7.3240)
Luminance	0.0109 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B134E #4E460B

analogous

#0B344E #0B134E #250B4E

triadic

#0B134E #4E0B13 #134E0B

tetradic

#0B134E #4E0B34 #4E460B #0B4E25

square

#0B134E #4E0B34 #4E460B #0B4E25

split-complementary

#0B134E #4E250B #344E0B

monochromatic

#04071B #04071B #0B134E #132084 #1A2DB9

Accessibility & contrast

On white

17.25

#0B134E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.22

#0B134E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B134E

17.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B134E	#FFFFFF	#000000	##FFFFFF
##0B134E	1.00	17.25	1.22	17.25
#FFFFFF	17.25	1.00	21.00	1.00
#000000	1.22	21.00	1.00	21.00
##FFFFFF	17.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001E50

Deuteranopia (green-blind)

#00184D

Tritanopia (blue-blind)

#00232E

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #0b134e;
/* rgb */ color: rgb(11, 19, 78);
/* oklch */ color: oklch(23.0% 0.107 269.3);

Tailwind

colors: {
  custom: {
    50: '#585080',
    500: '#0b134e',
    950: '#000000',
  },
}

SCSS

$custom: #0b134e;
$custom-light: #585080;
$custom-dark: #000000;

JSON

{
  "hex": "#0b134e",
  "rgb": {
    "r": 11,
    "g": 19,
    "b": 78
  },
  "hsl": {
    "h": 232.836,
    "s": 75.281,
    "l": 17.451
  },
  "oklch": {
    "l": 0.23008,
    "c": 0.10726,
    "h": 269.3
  },
  "luminance": 0.01087
}

Semantic roles & 50–950 ramp

primary

#0B134E

secondary

#8A7F2B

accent

#DB36F2

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#04020A

muted

#79787C

Preview Lab

Preview with #0B134E

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

Preview Lab → · Contrast checker → · Palette generator →