#0B2A3A#0B2A3A

#0B2A3A is a dark, muted cyan. Relative luminance 0.020; OKLCH L 27.1% C 0.047 H 234.9°. Best body text is #FFFFFF at 14.93:1 contrast (WCAG AA passes).

Color values

HEX	#0B2A3A
RGB	rgb(11, 42, 58)
HSL	hsl(200, 68%, 14%)
HSV	hsv(200, 81%, 23%)
CMYK	cmyk(81%, 27.6%, 0%, 77.3%)
CIE-LAB	lab(15.66, -4.94, -13.55)
CIE-LCH	lch(15.66, 14.42, 249.96°)
OKLab	oklab(27.07% -0.0268 -0.0381)
OKLCH	oklch(27.07% 0.047 234.9)
XYZ	xyz(1.7294, 2.0324, 4.3033)
Luminance	0.0203 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B2A3A #3A1B0B

analogous

#0B3A32 #0B2A3A #0B123A

triadic

#0B2A3A #3A0B2A #2A3A0B

tetradic

#0B2A3A #320B3A #3A1B0B #123A0B

square

#0B2A3A #320B3A #3A1B0B #123A0B

split-complementary

#0B2A3A #3A0B12 #3A320B

monochromatic

#05131A #05131A #0B2A3A #154F6D #1F75A1

Accessibility & contrast

On white

14.93

#0B2A3A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.41

#0B2A3A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B2A3A

14.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B2A3A	#FFFFFF	#000000	##FFFFFF
##0B2A3A	1.00	14.93	1.41	14.93
#FFFFFF	14.93	1.00	21.00	1.00
#000000	1.41	21.00	1.00	21.00
##FFFFFF	14.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#222A3B

Deuteranopia (green-blind)

#1C253A

Tritanopia (blue-blind)

#002E2F

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #0b2a3a;
/* rgb */ color: rgb(11, 42, 58);
/* oklch */ color: oklch(27.1% 0.047 234.9);

Tailwind

colors: {
  custom: {
    50: '#516370',
    500: '#0b2a3a',
    950: '#000000',
  },
}

SCSS

$custom: #0b2a3a;
$custom-light: #516370;
$custom-dark: #000000;

JSON

{
  "hex": "#0b2a3a",
  "rgb": {
    "r": 11,
    "g": 42,
    "b": 58
  },
  "hsl": {
    "h": 200.426,
    "s": 68.116,
    "l": 13.529
  },
  "oklch": {
    "l": 0.27069,
    "c": 0.04657,
    "h": 234.9
  },
  "luminance": 0.02033
}

Semantic roles & 50–950 ramp

primary

#0B2A3A

secondary

#77442A

accent

#783DEB

background

#F4F5F6

surface

#E7EAEC

border

#C3C6C7

text

#020507

muted

#78797A

Preview Lab

Preview with #0B2A3A

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

Preview Lab → · Contrast checker → · Palette generator →