#0B123D#0B123D

#0B123D is a very dark, moderate blue. Relative luminance 0.008; OKLCH L 20.9% C 0.082 H 270.4°. Best body text is #FFFFFF at 17.98:1 contrast (WCAG AA passes).

Color values

HEX	#0B123D
RGB	rgb(11, 18, 61)
HSL	hsl(232, 69%, 14%)
HSV	hsv(232, 82%, 24%)
CMYK	cmyk(82%, 70.5%, 0%, 76.1%)
CIE-LAB	lab(7.59, 14.61, -28.54)
CIE-LCH	lch(7.59, 32.06, 297.11°)
OKLab	oklab(20.91% 0.0006 -0.0824)
OKLCH	oklch(20.91% 0.082 270.4)
XYZ	xyz(1.1963, 0.8406, 4.5132)
Luminance	0.0084 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B123D #3D360B

analogous

#0B2B3D #0B123D #1D0B3D

triadic

#0B123D #3D0B12 #123D0B

tetradic

#0B123D #3D0B2B #3D360B #0B3D1D

square

#0B123D #3D0B2B #3D360B #0B3D1D

split-complementary

#0B123D #3D1D0B #2B3D0B

monochromatic

#05081A #05081A #0B123D #142171 #1E31A5

Accessibility & contrast

On white

17.98

#0B123D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.17

#0B123D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B123D

17.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B123D	#FFFFFF	#000000	##FFFFFF
##0B123D	1.00	17.98	1.17	17.98
#FFFFFF	17.98	1.00	21.00	1.00
#000000	1.17	21.00	1.00	21.00
##FFFFFF	17.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00193E

Deuteranopia (green-blind)

#00143C

Tritanopia (blue-blind)

#001D25

Achromatopsia (no color)

#171717

Design tokens & code

CSS

--color: #0b123d;
/* rgb */ color: rgb(11, 18, 61);
/* oklch */ color: oklch(20.9% 0.082 270.4);

Tailwind

colors: {
  custom: {
    50: '#534f73',
    500: '#0b123d',
    950: '#000000',
  },
}

SCSS

$custom: #0b123d;
$custom-light: #534f73;
$custom-dark: #000000;

JSON

{
  "hex": "#0b123d",
  "rgb": {
    "r": 11,
    "g": 18,
    "b": 61
  },
  "hsl": {
    "h": 231.6,
    "s": 69.444,
    "l": 14.118
  },
  "oklch": {
    "l": 0.20907,
    "c": 0.08243,
    "h": 270.4
  },
  "luminance": 0.00841
}

Semantic roles & 50–950 ramp

primary

#0B123D

secondary

#7A6F2A

accent

#D43CEC

background

#F4F4F7

surface

#E8E7ED

border

#C4C3C8

text

#030208

muted

#78787B

Preview Lab

Preview with #0B123D

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

Preview Lab → · Contrast checker → · Palette generator →