#0B0A2F#0B0A2F

#0B0A2F is a very dark, moderate blue. Relative luminance 0.005; OKLCH L 17.6% C 0.071 H 277.3°. Best body text is #FFFFFF at 19.12:1 contrast (WCAG AA passes).

Color values

HEX	#0B0A2F
RGB	rgb(11, 10, 47)
HSL	hsl(242, 65%, 11%)
HSV	hsv(242, 79%, 18%)
CMYK	cmyk(76.6%, 78.7%, 0%, 81.6%)
CIE-LAB	lab(4.46, 11.90, -23.37)
CIE-LCH	lch(4.46, 26.22, 296.99°)
OKLab	oklab(17.64% 0.0091 -0.0709)
OKLCH	oklch(17.64% 0.071 277.3)
XYZ	xyz(0.7595, 0.4934, 2.7440)
Luminance	0.0049 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B0A2F #2E2F0A

analogous

#0A1B2F #0B0A2F #1D0A2F

triadic

#0B0A2F #2F0B0A #0A2F0B

tetradic

#0B0A2F #2F0A1B #2E2F0A #0A2F1D

square

#0B0A2F #2F0A1B #2E2F0A #0A2F1D

split-complementary

#0B0A2F #2F1D0A #1B2F0A

monochromatic

#060519 #060519 #0B0A2F #171561 #231F94

Accessibility & contrast

On white

19.12

#0B0A2F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.10

#0B0A2F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B0A2F

19.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B0A2F	#FFFFFF	#000000	##FFFFFF
##0B0A2F	1.00	19.12	1.10	19.12
#FFFFFF	19.12	1.00	21.00	1.00
#000000	1.10	21.00	1.00	21.00
##FFFFFF	19.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001130

Deuteranopia (green-blind)

#000E2E

Tritanopia (blue-blind)

#00141B

Achromatopsia (no color)

#0F0F0F

Design tokens & code

CSS

--color: #0b0a2f;
/* rgb */ color: rgb(11, 10, 47);
/* oklch */ color: oklch(17.6% 0.071 277.3);

Tailwind

colors: {
  custom: {
    50: '#4e4b68',
    500: '#0b0a2f',
    950: '#000000',
  },
}

SCSS

$custom: #0b0a2f;
$custom-light: #4e4b68;
$custom-dark: #000000;

JSON

{
  "hex": "#0b0a2f",
  "rgb": {
    "r": 11,
    "g": 10,
    "b": 47
  },
  "hsl": {
    "h": 241.622,
    "s": 64.912,
    "l": 11.176
  },
  "oklch": {
    "l": 0.1764,
    "c": 0.07146,
    "h": 277.3
  },
  "luminance": 0.00493
}

Semantic roles & 50–950 ramp

primary

#0B0A2F

secondary

#6A6C29

accent

#E840E3

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#020106

muted

#78777A

Preview Lab

Preview with #0B0A2F

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

Preview Lab → · Contrast checker → · Palette generator →