#0B3340#0B3340

#0B3340 is a dark, muted cyan. Relative luminance 0.028; OKLCH L 30.0% C 0.049 H 224.0°. Best body text is #FFFFFF at 13.45:1 contrast (WCAG AA passes).

Color values

HEX	#0B3340
RGB	rgb(11, 51, 64)
HSL	hsl(195, 71%, 15%)
HSV	hsv(195, 83%, 25%)
CMYK	cmyk(82.8%, 20.3%, 0%, 74.9%)
CIE-LAB	lab(19.26, -8.49, -12.11)
CIE-LCH	lch(19.26, 14.78, 234.97°)
OKLab	oklab(30.05% -0.0351 -0.0339)
OKLCH	oklch(30.05% 0.049 224)
XYZ	xyz(2.2469, 2.8087, 5.2732)
Luminance	0.0281 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B3340 #40180B

analogous

#0B4033 #0B3340 #0B1940

triadic

#0B3340 #400B33 #33400B

tetradic

#0B3340 #330B40 #40180B #19400B

square

#0B3340 #330B40 #40180B #19400B

split-complementary

#0B3340 #400B19 #40330B

monochromatic

#04151A #04151A #0B3340 #145D74 #1D86A8

Accessibility & contrast

On white

13.45

#0B3340 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#0B3340 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B3340

13.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B3340	#FFFFFF	#000000	##FFFFFF
##0B3340	1.00	13.45	1.56	13.45
#FFFFFF	13.45	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C3241

Deuteranopia (green-blind)

#242C40

Tritanopia (blue-blind)

#003737

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #0b3340;
/* rgb */ color: rgb(11, 51, 64);
/* oklch */ color: oklch(30.0% 0.049 224.0);

Tailwind

colors: {
  custom: {
    50: '#536a74',
    500: '#0b3340',
    950: '#000000',
  },
}

SCSS

$custom: #0b3340;
$custom-light: #536a74;
$custom-dark: #000000;

JSON

{
  "hex": "#0b3340",
  "rgb": {
    "r": 11,
    "g": 51,
    "b": 64
  },
  "hsl": {
    "h": 194.717,
    "s": 70.667,
    "l": 14.706
  },
  "oklch": {
    "l": 0.30047,
    "c": 0.04882,
    "h": 224
  },
  "luminance": 0.02809
}

Semantic roles & 50–950 ramp

primary

#0B3340

secondary

#7D3E2A

accent

#663AED

background

#F5F6F7

surface

#E9EBED

border

#C5C6C8

text

#030608

muted

#787A7B

Preview Lab

Preview with #0B3340

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

Preview Lab → · Contrast checker → · Palette generator →