#0B3B4A#0B3B4A

#0B3B4A is a dark, muted cyan. Relative luminance 0.037; OKLCH L 32.9% C 0.055 H 223.8°. Best body text is #FFFFFF at 12.08:1 contrast (WCAG AA passes).

Color values

HEX	#0B3B4A
RGB	rgb(11, 59, 74)
HSL	hsl(194, 74%, 17%)
HSV	hsv(194, 85%, 29%)
CMYK	cmyk(85.1%, 20.3%, 0%, 71%)
CIE-LAB	lab(22.63, -9.60, -13.65)
CIE-LCH	lch(22.63, 16.69, 234.89°)
OKLab	oklab(32.91% -0.04 -0.0383)
OKLCH	oklch(32.91% 0.055 223.8)
XYZ	xyz(2.9375, 3.6931, 7.0353)
Luminance	0.0369 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B3B4A #4A1A0B

analogous

#0B4A3A #0B3B4A #0B1C4A

triadic

#0B3B4A #4A0B3B #3B4A0B

tetradic

#0B3B4A #3A0B4A #4A1A0B #1C4A0B

square

#0B3B4A #3A0B4A #4A1A0B #1C4A0B

split-complementary

#0B3B4A #4A0B1C #4A3A0B

monochromatic

#04151B #04151B #0B3B4A #13657F #1B90B5

Accessibility & contrast

On white

12.08

#0B3B4A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#0B3B4A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B3B4A

12.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B3B4A	#FFFFFF	#000000	##FFFFFF
##0B3B4A	1.00	12.08	1.74	12.08
#FFFFFF	12.08	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#33394B

Deuteranopia (green-blind)

#2A334A

Tritanopia (blue-blind)

#004040

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #0b3b4a;
/* rgb */ color: rgb(11, 59, 74);
/* oklch */ color: oklch(32.9% 0.055 223.8);

Tailwind

colors: {
  custom: {
    50: '#56717c',
    500: '#0b3b4a',
    950: '#000000',
  },
}

SCSS

$custom: #0b3b4a;
$custom-light: #56717c;
$custom-dark: #000000;

JSON

{
  "hex": "#0b3b4a",
  "rgb": {
    "r": 11,
    "g": 59,
    "b": 74
  },
  "hsl": {
    "h": 194.286,
    "s": 74.118,
    "l": 16.667
  },
  "oklch": {
    "l": 0.32905,
    "c": 0.05532,
    "h": 223.8
  },
  "luminance": 0.03693
}

Semantic roles & 50–950 ramp

primary

#0B3B4A

secondary

#86402B

accent

#6337F1

background

#F5F6F7

surface

#E9ECEE

border

#C5C7C9

text

#030709

muted

#787A7B

Preview Lab

Preview with #0B3B4A

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

Preview Lab → · Contrast checker → · Palette generator →