#0B1D2D#0B1D2D

#0B1D2D is a very dark, muted cyan. Relative luminance 0.011; OKLCH L 22.4% C 0.039 H 247.4°. Best body text is #FFFFFF at 17.10:1 contrast (WCAG AA passes).

Color values

HEX	#0B1D2D
RGB	rgb(11, 29, 45)
HSL	hsl(208, 61%, 11%)
HSV	hsv(208, 76%, 18%)
CMYK	cmyk(75.6%, 35.6%, 0%, 82.4%)
CIE-LAB	lab(10.10, -1.11, -12.93)
CIE-LCH	lch(10.10, 12.98, 265.07°)
OKLab	oklab(22.43% -0.0152 -0.0364)
OKLCH	oklch(22.43% 0.039 247.4)
XYZ	xyz(1.0509, 1.1392, 2.6466)
Luminance	0.0114 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B1D2D #2D1B0B

analogous

#0B2D2C #0B1D2D #0B0C2D

triadic

#0B1D2D #2D0B1D #1D2D0B

tetradic

#0B1D2D #2C0B2D #2D1B0B #0C2D0B

square

#0B1D2D #2C0B2D #2D1B0B #0C2D0B

split-complementary

#0B1D2D #2D0B0C #2D2C0B

monochromatic

#061019 #061019 #0B1D2D #173D5E #235C8F

Accessibility & contrast

On white

17.10

#0B1D2D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.23

#0B1D2D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B1D2D

17.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B1D2D	#FFFFFF	#000000	##FFFFFF
##0B1D2D	1.00	17.10	1.23	17.10
#FFFFFF	17.10	1.00	21.00	1.00
#000000	1.23	21.00	1.00	21.00
##FFFFFF	17.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#161E2E

Deuteranopia (green-blind)

#111A2D

Tritanopia (blue-blind)

#002123

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #0b1d2d;
/* rgb */ color: rgb(11, 29, 45);
/* oklch */ color: oklch(22.4% 0.039 247.4);

Tailwind

colors: {
  custom: {
    50: '#4e5866',
    500: '#0b1d2d',
    950: '#000000',
  },
}

SCSS

$custom: #0b1d2d;
$custom-light: #4e5866;
$custom-dark: #000000;

JSON

{
  "hex": "#0b1d2d",
  "rgb": {
    "r": 11,
    "g": 29,
    "b": 45
  },
  "hsl": {
    "h": 208.235,
    "s": 60.714,
    "l": 10.98
  },
  "oklch": {
    "l": 0.22432,
    "c": 0.03947,
    "h": 247.4
  },
  "luminance": 0.01139
}

Semantic roles & 50–950 ramp

primary

#0B1D2D

secondary

#69482A

accent

#8F44E4

background

#F4F5F6

surface

#E7E9EB

border

#C3C5C6

text

#020305

muted

#78787A

Preview Lab

Preview with #0B1D2D

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

Preview Lab → · Contrast checker → · Palette generator →