#0B3545#0B3545

#0B3545 is a dark, muted cyan. Relative luminance 0.030; OKLCH L 30.9% C 0.053 H 228.1°. Best body text is #FFFFFF at 13.05:1 contrast (WCAG AA passes).

Color values

HEX	#0B3545
RGB	rgb(11, 53, 69)
HSL	hsl(197, 73%, 16%)
HSV	hsv(197, 84%, 27%)
CMYK	cmyk(84.1%, 23.2%, 0%, 72.9%)
CIE-LAB	lab(20.23, -7.77, -14.00)
CIE-LCH	lch(20.23, 16.01, 240.99°)
OKLab	oklab(30.9% -0.0352 -0.0393)
OKLCH	oklch(30.9% 0.053 228.1)
XYZ	xyz(2.4849, 3.0467, 6.0862)
Luminance	0.0305 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B3545 #451B0B

analogous

#0B4538 #0B3545 #0B1845

triadic

#0B3545 #450B35 #35450B

tetradic

#0B3545 #380B45 #451B0B #18450B

square

#0B3545 #380B45 #451B0B #18450B

split-complementary

#0B3545 #450B18 #45380B

monochromatic

#04141A #04141A #0B3545 #135E7A #1C86AF

Accessibility & contrast

On white

13.05

#0B3545 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#0B3545 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B3545

13.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B3545	#FFFFFF	#000000	##FFFFFF
##0B3545	1.00	13.05	1.61	13.05
#FFFFFF	13.05	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D3446

Deuteranopia (green-blind)

#252E45

Tritanopia (blue-blind)

#003A3A

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #0b3545;
/* rgb */ color: rgb(11, 53, 69);
/* oklch */ color: oklch(30.9% 0.053 228.1);

Tailwind

colors: {
  custom: {
    50: '#546c78',
    500: '#0b3545',
    950: '#000000',
  },
}

SCSS

$custom: #0b3545;
$custom-light: #546c78;
$custom-dark: #000000;

JSON

{
  "hex": "#0b3545",
  "rgb": {
    "r": 11,
    "g": 53,
    "b": 69
  },
  "hsl": {
    "h": 196.552,
    "s": 72.5,
    "l": 15.686
  },
  "oklch": {
    "l": 0.30903,
    "c": 0.0528,
    "h": 228.1
  },
  "luminance": 0.03047
}

Semantic roles & 50–950 ramp

primary

#0B3545

secondary

#81422A

accent

#6B39EF

background

#F5F6F7

surface

#E9EBED

border

#C5C6C8

text

#030609

muted

#787A7B

Preview Lab

Preview with #0B3545

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

Preview Lab → · Contrast checker → · Palette generator →