#0B0A2D#0B0A2D

#0B0A2D is a very dark, moderate blue. Relative luminance 0.005; OKLCH L 17.4% C 0.068 H 277.9°. Best body text is #FFFFFF at 19.17:1 contrast (WCAG AA passes).

Color values

HEX	#0B0A2D
RGB	rgb(11, 10, 45)
HSL	hsl(242, 64%, 11%)
HSV	hsv(242, 78%, 18%)
CMYK	cmyk(75.6%, 77.8%, 0%, 82.4%)
CIE-LAB	lab(4.31, 10.90, -22.09)
CIE-LCH	lch(4.31, 24.64, 296.26°)
OKLab	oklab(17.42% 0.0094 -0.0675)
OKLCH	oklch(17.42% 0.068 277.9)
XYZ	xyz(0.7201, 0.4776, 2.5364)
Luminance	0.0048 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B0A2D #2C2D0A

analogous

#0A1A2D #0B0A2D #1C0A2D

triadic

#0B0A2D #2D0B0A #0A2D0B

tetradic

#0B0A2D #2D0A1A #2C2D0A #0A2D1C

square

#0B0A2D #2D0A1A #2C2D0A #0A2D1C

split-complementary

#0B0A2D #2D1C0A #1A2D0A

monochromatic

#060619 #060619 #0B0A2D #17155F #232091

Accessibility & contrast

On white

19.17

#0B0A2D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.10

#0B0A2D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B0A2D

19.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B0A2D	#FFFFFF	#000000	##FFFFFF
##0B0A2D	1.00	19.17	1.10	19.17
#FFFFFF	19.17	1.00	21.00	1.00
#000000	1.10	21.00	1.00	21.00
##FFFFFF	19.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00102E

Deuteranopia (green-blind)

#000E2C

Tritanopia (blue-blind)

#00131A

Achromatopsia (no color)

#0F0F0F

Design tokens & code

CSS

--color: #0b0a2d;
/* rgb */ color: rgb(11, 10, 45);
/* oklch */ color: oklch(17.4% 0.068 277.9);

Tailwind

colors: {
  custom: {
    50: '#4d4b66',
    500: '#0b0a2d',
    950: '#000000',
  },
}

SCSS

$custom: #0b0a2d;
$custom-light: #4d4b66;
$custom-dark: #000000;

JSON

{
  "hex": "#0b0a2d",
  "rgb": {
    "r": 11,
    "g": 10,
    "b": 45
  },
  "hsl": {
    "h": 241.714,
    "s": 63.636,
    "l": 10.784
  },
  "oklch": {
    "l": 0.17419,
    "c": 0.06815,
    "h": 277.9
  },
  "luminance": 0.00478
}

Semantic roles & 50–950 ramp

primary

#0B0A2D

secondary

#686A29

accent

#E741E2

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#020106

muted

#78777A

Preview Lab

Preview with #0B0A2D

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

Preview Lab → · Contrast checker → · Palette generator →