#0B3640#0B3640

#0B3640 is a dark, muted cyan. Relative luminance 0.031; OKLCH L 30.9% C 0.048 H 216.9°. Best body text is #FFFFFF at 13.00:1 contrast (WCAG AA passes).

Color values

HEX	#0B3640
RGB	rgb(11, 54, 64)
HSL	hsl(191, 71%, 15%)
HSV	hsv(191, 83%, 25%)
CMYK	cmyk(82.8%, 15.6%, 0%, 74.9%)
CIE-LAB	lab(20.36, -10.40, -10.42)
CIE-LCH	lch(20.36, 14.72, 225.07°)
OKLab	oklab(30.93% -0.0387 -0.0291)
OKLCH	oklch(30.93% 0.048 216.9)
XYZ	xyz(2.3822, 3.0794, 5.3183)
Luminance	0.0308 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B3640 #40150B

analogous

#0B4030 #0B3640 #0B1B40

triadic

#0B3640 #400B36 #36400B

tetradic

#0B3640 #300B40 #40150B #1B400B

square

#0B3640 #300B40 #40150B #1B400B

split-complementary

#0B3640 #400B1B #40300B

monochromatic

#04161A #04161A #0B3640 #146274 #1D8EA8

Accessibility & contrast

On white

13.00

#0B3640 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.62

#0B3640 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B3640

13.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B3640	#FFFFFF	#000000	##FFFFFF
##0B3640	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)

#2F3441

Deuteranopia (green-blind)

#282F40

Tritanopia (blue-blind)

#003A39

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #0b3640;
/* rgb */ color: rgb(11, 54, 64);
/* oklch */ color: oklch(30.9% 0.048 216.9);

Tailwind

colors: {
  custom: {
    50: '#546d74',
    500: '#0b3640',
    950: '#000000',
  },
}

SCSS

$custom: #0b3640;
$custom-light: #546d74;
$custom-dark: #000000;

JSON

{
  "hex": "#0b3640",
  "rgb": {
    "r": 11,
    "g": 54,
    "b": 64
  },
  "hsl": {
    "h": 191.321,
    "s": 70.667,
    "l": 14.706
  },
  "oklch": {
    "l": 0.30929,
    "c": 0.04844,
    "h": 216.9
  },
  "luminance": 0.0308
}

Semantic roles & 50–950 ramp

primary

#0B3640

secondary

#7D3A2A

accent

#5C3AED

background

#F5F6F7

surface

#E9EBED

border

#C5C6C8

text

#030708

muted

#787A7B

Preview Lab

Preview with #0B3640

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

Preview Lab → · Contrast checker → · Palette generator →