#0B2F3F#0B2F3F

#0B2F3F is a dark, muted cyan. Relative luminance 0.025; OKLCH L 28.8% C 0.049 H 231.5°. Best body text is #FFFFFF at 14.07:1 contrast (WCAG AA passes).

Color values

HEX	#0B2F3F
RGB	rgb(11, 47, 63)
HSL	hsl(198, 70%, 15%)
HSV	hsv(198, 83%, 25%)
CMYK	cmyk(82.5%, 25.4%, 0%, 75.3%)
CIE-LAB	lab(17.75, -6.26, -13.76)
CIE-LCH	lch(17.75, 15.12, 245.53°)
OKLab	oklab(28.82% -0.0308 -0.0387)
OKLCH	oklch(28.82% 0.049 231.5)
XYZ	xyz(2.0514, 2.4628, 5.0689)
Luminance	0.0246 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B2F3F #3F1B0B

analogous

#0B3F35 #0B2F3F #0B153F

triadic

#0B2F3F #3F0B2F #2F3F0B

tetradic

#0B2F3F #350B3F #3F1B0B #153F0B

square

#0B2F3F #350B3F #3F1B0B #153F0B

split-complementary

#0B2F3F #3F0B15 #3F350B

monochromatic

#05131A #05131A #0B2F3F #145673 #1D7DA7

Accessibility & contrast

On white

14.07

#0B2F3F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.49

#0B2F3F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B2F3F

14.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B2F3F	#FFFFFF	#000000	##FFFFFF
##0B2F3F	1.00	14.07	1.49	14.07
#FFFFFF	14.07	1.00	21.00	1.00
#000000	1.49	21.00	1.00	21.00
##FFFFFF	14.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#272E40

Deuteranopia (green-blind)

#20293F

Tritanopia (blue-blind)

#003334

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #0b2f3f;
/* rgb */ color: rgb(11, 47, 63);
/* oklch */ color: oklch(28.8% 0.049 231.5);

Tailwind

colors: {
  custom: {
    50: '#536774',
    500: '#0b2f3f',
    950: '#000000',
  },
}

SCSS

$custom: #0b2f3f;
$custom-light: #536774;
$custom-dark: #000000;

JSON

{
  "hex": "#0b2f3f",
  "rgb": {
    "r": 11,
    "g": 47,
    "b": 63
  },
  "hsl": {
    "h": 198.462,
    "s": 70.27,
    "l": 14.51
  },
  "oklch": {
    "l": 0.28823,
    "c": 0.0494,
    "h": 231.5
  },
  "luminance": 0.02463
}

Semantic roles & 50–950 ramp

primary

#0B2F3F

secondary

#7C432A

accent

#723BED

background

#F4F6F7

surface

#E7EBED

border

#C3C6C8

text

#030608

muted

#787A7B

Preview Lab

Preview with #0B2F3F

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

Preview Lab → · Contrast checker → · Palette generator →