#0B3C4E#0B3C4E

#0B3C4E is a dark, muted cyan. Relative luminance 0.039; OKLCH L 33.4% C 0.059 H 227.8°. Best body text is #FFFFFF at 11.86:1 contrast (WCAG AA passes).

Color values

HEX	#0B3C4E
RGB	rgb(11, 60, 78)
HSL	hsl(196, 75%, 17%)
HSV	hsv(196, 86%, 31%)
CMYK	cmyk(85.9%, 23.1%, 0%, 69.4%)
CIE-LAB	lab(23.18, -8.63, -15.46)
CIE-LCH	lch(23.18, 17.71, 240.83°)
OKLab	oklab(33.41% -0.0393 -0.0434)
OKLCH	oklch(33.41% 0.059 227.8)
XYZ	xyz(3.1285, 3.8525, 7.7850)
Luminance	0.0385 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B3C4E #4E1D0B

analogous

#0B4E3E #0B3C4E #0B1B4E

triadic

#0B3C4E #4E0B3C #3C4E0B

tetradic

#0B3C4E #3E0B4E #4E1D0B #1B4E0B

square

#0B3C4E #3E0B4E #4E1D0B #1B4E0B

split-complementary

#0B3C4E #4E0B1B #4E3E0B

monochromatic

#04151B #04151B #0B3C4E #136584 #1A8FB9

Accessibility & contrast

On white

11.86

#0B3C4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#0B3C4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B3C4E

11.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B3C4E	#FFFFFF	#000000	##FFFFFF
##0B3C4E	1.00	11.86	1.77	11.86
#FFFFFF	11.86	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#323B4F

Deuteranopia (green-blind)

#2A344E

Tritanopia (blue-blind)

#004142

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #0b3c4e;
/* rgb */ color: rgb(11, 60, 78);
/* oklch */ color: oklch(33.4% 0.059 227.8);

Tailwind

colors: {
  custom: {
    50: '#57717f',
    500: '#0b3c4e',
    950: '#000000',
  },
}

SCSS

$custom: #0b3c4e;
$custom-light: #57717f;
$custom-dark: #000000;

JSON

{
  "hex": "#0b3c4e",
  "rgb": {
    "r": 11,
    "g": 60,
    "b": 78
  },
  "hsl": {
    "h": 196.119,
    "s": 75.281,
    "l": 17.451
  },
  "oklch": {
    "l": 0.33407,
    "c": 0.0586,
    "h": 227.8
  },
  "luminance": 0.03853
}

Semantic roles & 50–950 ramp

primary

#0B3C4E

secondary

#8A442B

accent

#6836F2

background

#F5F6F7

surface

#E9ECEE

border

#C5C7C9

text

#04070A

muted

#797A7C

Preview Lab

Preview with #0B3C4E

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

Preview Lab → · Contrast checker → · Palette generator →