#0B3C4A#0B3C4A

#0B3C4A is a dark, muted cyan. Relative luminance 0.038; OKLCH L 33.2% C 0.055 H 221.7°. Best body text is #FFFFFF at 11.94:1 contrast (WCAG AA passes).

Color values

HEX	#0B3C4A
RGB	rgb(11, 60, 74)
HSL	hsl(193, 74%, 17%)
HSV	hsv(193, 85%, 29%)
CMYK	cmyk(85.1%, 18.9%, 0%, 71%)
CIE-LAB	lab(22.99, -10.22, -13.10)
CIE-LCH	lch(22.99, 16.62, 232.03°)
OKLab	oklab(33.19% -0.0411 -0.0367)
OKLCH	oklch(33.19% 0.055 221.7)
XYZ	xyz(2.9894, 3.7969, 7.0526)
Luminance	0.0380 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B3C4A #4A190B

analogous

#0B4A39 #0B3C4A #0B1D4A

triadic

#0B3C4A #4A0B3C #3C4A0B

tetradic

#0B3C4A #390B4A #4A190B #1D4A0B

square

#0B3C4A #390B4A #4A190B #1D4A0B

split-complementary

#0B3C4A #4A0B1D #4A390B

monochromatic

#04161B #04161B #0B3C4A #13677F #1B92B5

Accessibility & contrast

On white

11.94

#0B3C4A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#0B3C4A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B3C4A

11.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B3C4A	#FFFFFF	#000000	##FFFFFF
##0B3C4A	1.00	11.94	1.76	11.94
#FFFFFF	11.94	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#343A4B

Deuteranopia (green-blind)

#2B344A

Tritanopia (blue-blind)

#004041

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #0b3c4a;
/* rgb */ color: rgb(11, 60, 74);
/* oklch */ color: oklch(33.2% 0.055 221.7);

Tailwind

colors: {
  custom: {
    50: '#56717c',
    500: '#0b3c4a',
    950: '#000000',
  },
}

SCSS

$custom: #0b3c4a;
$custom-light: #56717c;
$custom-dark: #000000;

JSON

{
  "hex": "#0b3c4a",
  "rgb": {
    "r": 11,
    "g": 60,
    "b": 74
  },
  "hsl": {
    "h": 193.333,
    "s": 74.118,
    "l": 16.667
  },
  "oklch": {
    "l": 0.33192,
    "c": 0.05509,
    "h": 221.7
  },
  "luminance": 0.03797
}

Semantic roles & 50–950 ramp

primary

#0B3C4A

secondary

#863F2B

accent

#6037F1

background

#F5F6F7

surface

#E9ECEE

border

#C5C7C9

text

#030709

muted

#787A7B

Preview Lab

Preview with #0B3C4A

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

Preview Lab → · Contrast checker → · Palette generator →