#0B3240#0B3240

#0B3240 is a dark, muted cyan. Relative luminance 0.027; OKLCH L 29.8% C 0.049 H 226.3°. Best body text is #FFFFFF at 13.60:1 contrast (WCAG AA passes).

Color values

HEX	#0B3240
RGB	rgb(11, 50, 64)
HSL	hsl(196, 71%, 15%)
HSV	hsv(196, 83%, 25%)
CMYK	cmyk(82.8%, 21.9%, 0%, 74.9%)
CIE-LAB	lab(18.90, -7.84, -12.67)
CIE-LCH	lch(18.90, 14.90, 238.25°)
OKLab	oklab(29.76% -0.0339 -0.0355)
OKLCH	oklch(29.76% 0.049 226.3)
XYZ	xyz(2.2036, 2.7223, 5.2588)
Luminance	0.0272 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B3240 #40190B

analogous

#0B4034 #0B3240 #0B1840

triadic

#0B3240 #400B32 #32400B

tetradic

#0B3240 #340B40 #40190B #18400B

square

#0B3240 #340B40 #40190B #18400B

split-complementary

#0B3240 #400B18 #40340B

monochromatic

#04141A #04141A #0B3240 #145B74 #1D84A8

Accessibility & contrast

On white

13.60

#0B3240 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#0B3240 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B3240

13.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B3240	#FFFFFF	#000000	##FFFFFF
##0B3240	1.00	13.60	1.54	13.60
#FFFFFF	13.60	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A3141

Deuteranopia (green-blind)

#232C40

Tritanopia (blue-blind)

#003637

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #0b3240;
/* rgb */ color: rgb(11, 50, 64);
/* oklch */ color: oklch(29.8% 0.049 226.3);

Tailwind

colors: {
  custom: {
    50: '#536974',
    500: '#0b3240',
    950: '#000000',
  },
}

SCSS

$custom: #0b3240;
$custom-light: #536974;
$custom-dark: #000000;

JSON

{
  "hex": "#0b3240",
  "rgb": {
    "r": 11,
    "g": 50,
    "b": 64
  },
  "hsl": {
    "h": 195.849,
    "s": 70.667,
    "l": 14.706
  },
  "oklch": {
    "l": 0.29755,
    "c": 0.04911,
    "h": 226.3
  },
  "luminance": 0.02723
}

Semantic roles & 50–950 ramp

primary

#0B3240

secondary

#7D402A

accent

#6A3AED

background

#F5F6F7

surface

#E8EBED

border

#C4C6C8

text

#030608

muted

#787A7B

Preview Lab

Preview with #0B3240

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

Preview Lab → · Contrast checker → · Palette generator →