#0B121E#0B121E

#0B121E is a very dark, muted blue. Relative luminance 0.006; OKLCH L 18.2% C 0.027 H 260.8°. Best body text is #FFFFFF at 18.76:1 contrast (WCAG AA passes).

Color values

HEX	#0B121E
RGB	rgb(11, 18, 30)
HSL	hsl(218, 46%, 8%)
HSV	hsv(218, 63%, 12%)
CMYK	cmyk(63.3%, 40%, 0%, 88.2%)
CIE-LAB	lab(5.40, 0.85, -8.96)
CIE-LCH	lch(5.40, 9.00, 275.40°)
OKLab	oklab(18.18% -0.0043 -0.0268)
OKLCH	oklch(18.18% 0.027 260.8)
XYZ	xyz(0.5886, 0.5975, 1.3124)
Luminance	0.0060 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B121E #1E170B

analogous

#0B1B1E #0B121E #0D0B1E

triadic

#0B121E #1E0B12 #121E0B

tetradic

#0B121E #1E0B1B #1E170B #0B1E0D

square

#0B121E #1E0B1B #1E170B #0B1E0D

split-complementary

#0B121E #1E0D0B #1B1E0B

monochromatic

#080D16 #080D16 #0B121E #1B2D4B #2C4878

Accessibility & contrast

On white

18.76

#0B121E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.12

#0B121E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B121E

18.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B121E	#FFFFFF	#000000	##FFFFFF
##0B121E	1.00	18.76	1.12	18.76
#FFFFFF	18.76	1.00	21.00	1.00
#000000	1.12	21.00	1.00	21.00
##FFFFFF	18.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0E131F

Deuteranopia (green-blind)

#0B111E

Tritanopia (blue-blind)

#051516

Achromatopsia (no color)

#121212

Design tokens & code

CSS

--color: #0b121e;
/* rgb */ color: rgb(11, 18, 30);
/* oklch */ color: oklch(18.2% 0.027 260.8);

Tailwind

colors: {
  custom: {
    50: '#4b5059',
    500: '#0b121e',
    950: '#000000',
  },
}

SCSS

$custom: #0b121e;
$custom-light: #4b5059;
$custom-dark: #000000;

JSON

{
  "hex": "#0b121e",
  "rgb": {
    "r": 11,
    "g": 18,
    "b": 30
  },
  "hsl": {
    "h": 217.895,
    "s": 46.341,
    "l": 8.039
  },
  "oklch": {
    "l": 0.18175,
    "c": 0.02713,
    "h": 260.8
  },
  "luminance": 0.00597
}

Semantic roles & 50–950 ramp

primary

#0B121E

secondary

#58482D

accent

#A552D6

background

#F4F4F5

surface

#E7E7E9

border

#C3C3C5

text

#010203

muted

#777878

Preview Lab

Preview with #0B121E

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

Preview Lab → · Contrast checker → · Palette generator →