#0B133C#0B133C

#0B133C is a very dark, moderate blue. Relative luminance 0.009; OKLCH L 21.0% C 0.079 H 269.8°. Best body text is #FFFFFF at 17.91:1 contrast (WCAG AA passes).

Color values

HEX	#0B133C
RGB	rgb(11, 19, 60)
HSL	hsl(230, 69%, 14%)
HSV	hsv(230, 82%, 24%)
CMYK	cmyk(81.7%, 68.3%, 0%, 76.5%)
CIE-LAB	lab(7.80, 13.41, -27.49)
CIE-LCH	lch(7.80, 30.59, 296.01°)
OKLab	oklab(21.03% -0.0003 -0.0793)
OKLCH	oklch(21.03% 0.079 269.8)
XYZ	xyz(1.1862, 0.8630, 4.3782)
Luminance	0.0086 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B133C #3C340B

analogous

#0B2C3C #0B133C #1C0B3C

triadic

#0B133C #3C0B13 #133C0B

tetradic

#0B133C #3C0B2C #3C340B #0B3C1C

square

#0B133C #3C0B2C #3C340B #0B3C1C

split-complementary

#0B133C #3C1C0B #2C3C0B

monochromatic

#05081A #05081A #0B133C #142370 #1E34A3

Accessibility & contrast

On white

17.91

#0B133C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.17

#0B133C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B133C

17.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B133C	#FFFFFF	#000000	##FFFFFF
##0B133C	1.00	17.91	1.17	17.91
#FFFFFF	17.91	1.00	21.00	1.00
#000000	1.17	21.00	1.00	21.00
##FFFFFF	17.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00193D

Deuteranopia (green-blind)

#00153B

Tritanopia (blue-blind)

#001D25

Achromatopsia (no color)

#171717

Design tokens & code

CSS

--color: #0b133c;
/* rgb */ color: rgb(11, 19, 60);
/* oklch */ color: oklch(21.0% 0.079 269.8);

Tailwind

colors: {
  custom: {
    50: '#525072',
    500: '#0b133c',
    950: '#000000',
  },
}

SCSS

$custom: #0b133c;
$custom-light: #525072;
$custom-dark: #000000;

JSON

{
  "hex": "#0b133c",
  "rgb": {
    "r": 11,
    "g": 19,
    "b": 60
  },
  "hsl": {
    "h": 230.204,
    "s": 69.014,
    "l": 13.922
  },
  "oklch": {
    "l": 0.21031,
    "c": 0.07931,
    "h": 269.8
  },
  "luminance": 0.00863
}

Semantic roles & 50–950 ramp

primary

#0B133C

secondary

#796C2A

accent

#CF3CEC

background

#F4F4F6

surface

#E7E7EC

border

#C3C3C7

text

#030208

muted

#78787B

Preview Lab

Preview with #0B133C

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

Preview Lab → · Contrast checker → · Palette generator →