#0B0C2F#0B0C2F

#0B0C2F is a very dark, moderate blue. Relative luminance 0.005; OKLCH L 18.1% C 0.068 H 275.9°. Best body text is #FFFFFF at 18.96:1 contrast (WCAG AA passes).

Color values

HEX	#0B0C2F
RGB	rgb(11, 12, 47)
HSL	hsl(238, 62%, 11%)
HSV	hsv(238, 77%, 18%)
CMYK	cmyk(76.6%, 74.5%, 0%, 81.6%)
CIE-LAB	lab(4.87, 11.05, -22.71)
CIE-LCH	lch(4.87, 25.25, 295.96°)
OKLab	oklab(18.07% 0.007 -0.068)
OKLCH	oklch(18.07% 0.068 275.9)
XYZ	xyz(0.7824, 0.5393, 2.7516)
Luminance	0.0054 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 4.28

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B0C2F #2F2E0B

analogous

#0B1E2F #0B0C2F #1C0B2F

triadic

#0B0C2F #2F0B0C #0C2F0B

tetradic

#0B0C2F #2F0B1E #2F2E0B #0B2F1C

square

#0B0C2F #2F0B1E #2F2E0B #0B2F1C

split-complementary

#0B0C2F #2F1C0B #1E2F0B

monochromatic

#060619 #060619 #0B0C2F #171961 #222592

Accessibility & contrast

On white

18.96

#0B0C2F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.11

#0B0C2F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B0C2F

18.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B0C2F	#FFFFFF	#000000	##FFFFFF
##0B0C2F	1.00	18.96	1.11	18.96
#FFFFFF	18.96	1.00	21.00	1.00
#000000	1.11	21.00	1.00	21.00
##FFFFFF	18.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001230

Deuteranopia (green-blind)

#000F2E

Tritanopia (blue-blind)

#00151B

Achromatopsia (no color)

#111111

Design tokens & code

CSS

--color: #0b0c2f;
/* rgb */ color: rgb(11, 12, 47);
/* oklch */ color: oklch(18.1% 0.068 275.9);

Tailwind

colors: {
  custom: {
    50: '#4e4c68',
    500: '#0b0c2f',
    950: '#000000',
  },
}

SCSS

$custom: #0b0c2f;
$custom-light: #4e4c68;
$custom-dark: #000000;

JSON

{
  "hex": "#0b0c2f",
  "rgb": {
    "r": 11,
    "g": 12,
    "b": 47
  },
  "hsl": {
    "h": 238.333,
    "s": 62.069,
    "l": 11.373
  },
  "oklch": {
    "l": 0.18074,
    "c": 0.06837,
    "h": 275.9
  },
  "luminance": 0.00539
}

Semantic roles & 50–950 ramp

primary

#0B0C2F

secondary

#6B6A2A

accent

#E143E5

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#020106

muted

#78777A

Preview Lab

Preview with #0B0C2F

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

Preview Lab → · Contrast checker → · Palette generator →