#0B0A3D#0B0A3D

#0B0A3D is a very dark, moderate blue. Relative luminance 0.006; OKLCH L 19.3% C 0.093 H 274.1°. Best body text is #FFFFFF at 18.67:1 contrast (WCAG AA passes).

Color values

HEX	#0B0A3D
RGB	rgb(11, 10, 61)
HSL	hsl(241, 72%, 14%)
HSV	hsv(241, 84%, 24%)
CMYK	cmyk(82%, 83.6%, 0%, 76.1%)
CIE-LAB	lab(5.65, 19.41, -31.71)
CIE-LCH	lch(5.65, 37.18, 301.46°)
OKLab	oklab(19.3% 0.0067 -0.0931)
OKLCH	oklch(19.3% 0.093 274.1)
XYZ	xyz(1.0886, 0.6250, 4.4773)
Luminance	0.0063 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B0A3D #3C3D0A

analogous

#0A233D #0B0A3D #250A3D

triadic

#0B0A3D #3D0B0A #0A3D0B

tetradic

#0B0A3D #3D0A23 #3C3D0A #0A3D25

square

#0B0A3D #3D0A23 #3C3D0A #0A3D25

split-complementary

#0B0A3D #3D250A #233D0A

monochromatic

#05041A #05041A #0B0A3D #141372 #1E1BA6

Accessibility & contrast

On white

18.67

#0B0A3D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.13

#0B0A3D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B0A3D

18.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B0A3D	#FFFFFF	#000000	##FFFFFF
##0B0A3D	1.00	18.67	1.13	18.67
#FFFFFF	18.67	1.00	21.00	1.00
#000000	1.13	21.00	1.00	21.00
##FFFFFF	18.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00153E

Deuteranopia (green-blind)

#00103C

Tritanopia (blue-blind)

#001922

Achromatopsia (no color)

#121212

Design tokens & code

CSS

--color: #0b0a3d;
/* rgb */ color: rgb(11, 10, 61);
/* oklch */ color: oklch(19.3% 0.093 274.1);

Tailwind

colors: {
  custom: {
    50: '#534a73',
    500: '#0b0a3d',
    950: '#000000',
  },
}

SCSS

$custom: #0b0a3d;
$custom-light: #534a73;
$custom-dark: #000000;

JSON

{
  "hex": "#0b0a3d",
  "rgb": {
    "r": 11,
    "g": 10,
    "b": 61
  },
  "hsl": {
    "h": 241.176,
    "s": 71.831,
    "l": 13.922
  },
  "oklch": {
    "l": 0.19297,
    "c": 0.09334,
    "h": 274.1
  },
  "luminance": 0.00625
}

Semantic roles & 50–950 ramp

primary

#0B0A3D

secondary

#797A28

accent

#EF39EB

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#030108

muted

#78777B

Preview Lab

Preview with #0B0A3D

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

Preview Lab → · Contrast checker → · Palette generator →