#0B2B3A#0B2B3A

#0B2B3A is a dark, muted cyan. Relative luminance 0.021; OKLCH L 27.4% C 0.046 H 232.4°. Best body text is #FFFFFF at 14.78:1 contrast (WCAG AA passes).

Color values

HEX	#0B2B3A
RGB	rgb(11, 43, 58)
HSL	hsl(199, 68%, 14%)
HSV	hsv(199, 81%, 23%)
CMYK	cmyk(81%, 25.9%, 0%, 77.3%)
CIE-LAB	lab(16.02, -5.63, -12.97)
CIE-LCH	lch(16.02, 14.14, 246.56°)
OKLab	oklab(27.36% -0.028 -0.0364)
OKLCH	oklch(27.36% 0.046 232.4)
XYZ	xyz(1.7653, 2.1042, 4.3153)
Luminance	0.0210 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B2B3A #3A1A0B

analogous

#0B3A31 #0B2B3A #0B133A

triadic

#0B2B3A #3A0B2B #2B3A0B

tetradic

#0B2B3A #310B3A #3A1A0B #133A0B

square

#0B2B3A #310B3A #3A1A0B #133A0B

split-complementary

#0B2B3A #3A0B13 #3A310B

monochromatic

#05131A #05131A #0B2B3A #15516D #1F77A1

Accessibility & contrast

On white

14.78

#0B2B3A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.42

#0B2B3A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B2B3A

14.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B2B3A	#FFFFFF	#000000	##FFFFFF
##0B2B3A	1.00	14.78	1.42	14.78
#FFFFFF	14.78	1.00	21.00	1.00
#000000	1.42	21.00	1.00	21.00
##FFFFFF	14.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#242A3B

Deuteranopia (green-blind)

#1D263A

Tritanopia (blue-blind)

#002F30

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #0b2b3a;
/* rgb */ color: rgb(11, 43, 58);
/* oklch */ color: oklch(27.4% 0.046 232.4);

Tailwind

colors: {
  custom: {
    50: '#516470',
    500: '#0b2b3a',
    950: '#000000',
  },
}

SCSS

$custom: #0b2b3a;
$custom-light: #516470;
$custom-dark: #000000;

JSON

{
  "hex": "#0b2b3a",
  "rgb": {
    "r": 11,
    "g": 43,
    "b": 58
  },
  "hsl": {
    "h": 199.149,
    "s": 68.116,
    "l": 13.529
  },
  "oklch": {
    "l": 0.27363,
    "c": 0.04598,
    "h": 232.4
  },
  "luminance": 0.02104
}

Semantic roles & 50–950 ramp

primary

#0B2B3A

secondary

#77432A

accent

#743DEB

background

#F4F5F6

surface

#E7EAEC

border

#C3C6C7

text

#020507

muted

#78797A

Preview Lab

Preview with #0B2B3A

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

Preview Lab → · Contrast checker → · Palette generator →