#0B133D#0B133D

#0B133D is a very dark, moderate blue. Relative luminance 0.009; OKLCH L 21.1% C 0.081 H 269.8°. Best body text is #FFFFFF at 17.88:1 contrast (WCAG AA passes).

Color values

HEX	#0B133D
RGB	rgb(11, 19, 61)
HSL	hsl(230, 69%, 14%)
HSV	hsv(230, 82%, 24%)
CMYK	cmyk(82%, 68.9%, 0%, 76.1%)
CIE-LAB	lab(7.89, 13.86, -28.05)
CIE-LCH	lch(7.89, 31.29, 296.29°)
OKLab	oklab(21.13% -0.0003 -0.0809)
OKLCH	oklch(21.13% 0.081 269.8)
XYZ	xyz(1.2129, 0.8737, 4.5187)
Luminance	0.0087 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 3.62

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B133D #3D350B

analogous

#0B2C3D #0B133D #1C0B3D

triadic

#0B133D #3D0B13 #133D0B

tetradic

#0B133D #3D0B2C #3D350B #0B3D1C

square

#0B133D #3D0B2C #3D350B #0B3D1C

split-complementary

#0B133D #3D1C0B #2C3D0B

monochromatic

#05081A #05081A #0B133D #142371 #1E33A5

Accessibility & contrast

On white

17.88

#0B133D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.17

#0B133D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B133D

17.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B133D	#FFFFFF	#000000	##FFFFFF
##0B133D	1.00	17.88	1.17	17.88
#FFFFFF	17.88	1.00	21.00	1.00
#000000	1.17	21.00	1.00	21.00
##FFFFFF	17.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001A3E

Deuteranopia (green-blind)

#00153C

Tritanopia (blue-blind)

#001E25

Achromatopsia (no color)

#171717

Design tokens & code

CSS

--color: #0b133d;
/* rgb */ color: rgb(11, 19, 61);
/* oklch */ color: oklch(21.1% 0.081 269.8);

Tailwind

colors: {
  custom: {
    50: '#535073',
    500: '#0b133d',
    950: '#000000',
  },
}

SCSS

$custom: #0b133d;
$custom-light: #535073;
$custom-dark: #000000;

JSON

{
  "hex": "#0b133d",
  "rgb": {
    "r": 11,
    "g": 19,
    "b": 61
  },
  "hsl": {
    "h": 230.4,
    "s": 69.444,
    "l": 14.118
  },
  "oklch": {
    "l": 0.21134,
    "c": 0.08095,
    "h": 269.8
  },
  "luminance": 0.00874
}

Semantic roles & 50–950 ramp

primary

#0B133D

secondary

#7A6D2A

accent

#D03CEC

background

#F4F4F7

surface

#E8E7ED

border

#C4C3C8

text

#030208

muted

#78787B

Preview Lab

Preview with #0B133D

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

Preview Lab → · Contrast checker → · Palette generator →