#0B2F3B#0B2F3B

#0B2F3B is a dark, muted cyan. Relative luminance 0.024; OKLCH L 28.6% C 0.045 H 224.2°. Best body text is #FFFFFF at 14.15:1 contrast (WCAG AA passes).

Color values

HEX	#0B2F3B
RGB	rgb(11, 47, 59)
HSL	hsl(195, 69%, 14%)
HSV	hsv(195, 81%, 23%)
CMYK	cmyk(81.4%, 20.3%, 0%, 76.9%)
CIE-LAB	lab(17.55, -7.89, -11.31)
CIE-LCH	lch(17.55, 13.79, 235.10°)
OKLab	oklab(28.6% -0.0326 -0.0316)
OKLCH	oklch(28.6% 0.045 224.2)
XYZ	xyz(1.9436, 2.4197, 4.5014)
Luminance	0.0242 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B2F3B #3B170B

analogous

#0B3B2F #0B2F3B #0B173B

triadic

#0B2F3B #3B0B2F #2F3B0B

tetradic

#0B2F3B #2F0B3B #3B170B #173B0B

square

#0B2F3B #2F0B3B #3B170B #173B0B

split-complementary

#0B2F3B #3B0B17 #3B2F0B

monochromatic

#05151A #05151A #0B2F3B #15586F #1E81A2

Accessibility & contrast

On white

14.15

#0B2F3B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.48

#0B2F3B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B2F3B

14.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B2F3B	#FFFFFF	#000000	##FFFFFF
##0B2F3B	1.00	14.15	1.48	14.15
#FFFFFF	14.15	1.00	21.00	1.00
#000000	1.48	21.00	1.00	21.00
##FFFFFF	14.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#282E3C

Deuteranopia (green-blind)

#22293B

Tritanopia (blue-blind)

#003333

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #0b2f3b;
/* rgb */ color: rgb(11, 47, 59);
/* oklch */ color: oklch(28.6% 0.045 224.2);

Tailwind

colors: {
  custom: {
    50: '#526771',
    500: '#0b2f3b',
    950: '#000000',
  },
}

SCSS

$custom: #0b2f3b;
$custom-light: #526771;
$custom-dark: #000000;

JSON

{
  "hex": "#0b2f3b",
  "rgb": {
    "r": 11,
    "g": 47,
    "b": 59
  },
  "hsl": {
    "h": 195,
    "s": 68.571,
    "l": 13.725
  },
  "oklch": {
    "l": 0.28599,
    "c": 0.0454,
    "h": 224.2
  },
  "luminance": 0.0242
}

Semantic roles & 50–950 ramp

primary

#0B2F3B

secondary

#783D2A

accent

#683CEB

background

#F4F6F6

surface

#E7EBEC

border

#C3C6C7

text

#020607

muted

#787A7A

Preview Lab

Preview with #0B2F3B

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

Preview Lab → · Contrast checker → · Palette generator →