#0B344E#0B344E

#0B344E is a dark, moderate cyan. Relative luminance 0.031; OKLCH L 31.2% C 0.064 H 241.6°. Best body text is #FFFFFF at 13.00:1 contrast (WCAG AA passes).

Color values

HEX	#0B344E
RGB	rgb(11, 52, 78)
HSL	hsl(203, 75%, 17%)
HSV	hsv(203, 86%, 31%)
CMYK	cmyk(85.9%, 33.3%, 0%, 69.4%)
CIE-LAB	lab(20.35, -3.36, -19.88)
CIE-LCH	lch(20.35, 20.16, 260.42°)
OKLab	oklab(31.15% -0.0305 -0.0563)
OKLCH	oklch(31.15% 0.064 241.6)
XYZ	xyz(2.7406, 3.0769, 7.6557)
Luminance	0.0308 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B344E #4E250B

analogous

#0B4E47 #0B344E #0B124E

triadic

#0B344E #4E0B34 #344E0B

tetradic

#0B344E #470B4E #4E250B #124E0B

square

#0B344E #470B4E #4E250B #124E0B

split-complementary

#0B344E #4E0B12 #4E470B

monochromatic

#04121B #04121B #0B344E #135884 #1A7CB9

Accessibility & contrast

On white

13.00

#0B344E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.62

#0B344E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B344E

13.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B344E	#FFFFFF	#000000	##FFFFFF
##0B344E	1.00	13.00	1.62	13.00
#FFFFFF	13.00	1.00	21.00	1.00
#000000	1.62	21.00	1.00	21.00
##FFFFFF	13.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#28344F

Deuteranopia (green-blind)

#1F2E4E

Tritanopia (blue-blind)

#003A3D

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #0b344e;
/* rgb */ color: rgb(11, 52, 78);
/* oklch */ color: oklch(31.2% 0.064 241.6);

Tailwind

colors: {
  custom: {
    50: '#566b7f',
    500: '#0b344e',
    950: '#000000',
  },
}

SCSS

$custom: #0b344e;
$custom-light: #566b7f;
$custom-dark: #000000;

JSON

{
  "hex": "#0b344e",
  "rgb": {
    "r": 11,
    "g": 52,
    "b": 78
  },
  "hsl": {
    "h": 203.284,
    "s": 75.281,
    "l": 17.451
  },
  "oklch": {
    "l": 0.31154,
    "c": 0.06404,
    "h": 241.6
  },
  "luminance": 0.03077
}

Semantic roles & 50–950 ramp

primary

#0B344E

secondary

#8A502B

accent

#7F36F2

background

#F5F6F7

surface

#E9EBEE

border

#C5C6C9

text

#03060A

muted

#787A7C

Preview Lab

Preview with #0B344E

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

Preview Lab → · Contrast checker → · Palette generator →