#0B3D4A#0B3D4A

#0B3D4A is a dark, muted cyan. Relative luminance 0.039; OKLCH L 33.5% C 0.055 H 219.7°. Best body text is #FFFFFF at 11.79:1 contrast (WCAG AA passes).

Color values

HEX	#0B3D4A
RGB	rgb(11, 61, 74)
HSL	hsl(192, 74%, 17%)
HSV	hsv(192, 85%, 29%)
CMYK	cmyk(85.1%, 17.6%, 0%, 71%)
CIE-LAB	lab(23.35, -10.85, -12.55)
CIE-LCH	lch(23.35, 16.59, 229.16°)
OKLab	oklab(33.48% -0.0423 -0.0351)
OKLCH	oklch(33.48% 0.055 219.7)
XYZ	xyz(3.0423, 3.9027, 7.0702)
Luminance	0.0390 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B3D4A #4A180B

analogous

#0B4A38 #0B3D4A #0B1E4A

triadic

#0B3D4A #4A0B3D #3D4A0B

tetradic

#0B3D4A #380B4A #4A180B #1E4A0B

square

#0B3D4A #380B4A #4A180B #1E4A0B

split-complementary

#0B3D4A #4A0B1E #4A380B

monochromatic

#04161B #04161B #0B3D4A #13697F #1B95B5

Accessibility & contrast

On white

11.79

#0B3D4A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#0B3D4A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B3D4A

11.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B3D4A	#FFFFFF	#000000	##FFFFFF
##0B3D4A	1.00	11.79	1.78	11.79
#FFFFFF	11.79	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#353B4B

Deuteranopia (green-blind)

#2D354A

Tritanopia (blue-blind)

#004141

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #0b3d4a;
/* rgb */ color: rgb(11, 61, 74);
/* oklch */ color: oklch(33.5% 0.055 219.7);

Tailwind

colors: {
  custom: {
    50: '#56727c',
    500: '#0b3d4a',
    950: '#000000',
  },
}

SCSS

$custom: #0b3d4a;
$custom-light: #56727c;
$custom-dark: #000000;

JSON

{
  "hex": "#0b3d4a",
  "rgb": {
    "r": 11,
    "g": 61,
    "b": 74
  },
  "hsl": {
    "h": 192.381,
    "s": 74.118,
    "l": 16.667
  },
  "oklch": {
    "l": 0.3348,
    "c": 0.05493,
    "h": 219.7
  },
  "luminance": 0.03903
}

Semantic roles & 50–950 ramp

primary

#0B3D4A

secondary

#863D2B

accent

#5D37F1

background

#F5F6F7

surface

#E9ECEE

border

#C5C7C9

text

#030809

muted

#787B7B

Preview Lab

Preview with #0B3D4A

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

Preview Lab → · Contrast checker → · Palette generator →