#0B3A45#0B3A45

#0B3A45 is a dark, muted cyan. Relative luminance 0.035; OKLCH L 32.4% C 0.052 H 217.3°. Best body text is #FFFFFF at 12.31:1 contrast (WCAG AA passes).

Color values

HEX	#0B3A45
RGB	rgb(11, 58, 69)
HSL	hsl(191, 73%, 16%)
HSV	hsv(191, 84%, 27%)
CMYK	cmyk(84.1%, 15.9%, 0%, 72.9%)
CIE-LAB	lab(22.04, -10.94, -11.22)
CIE-LCH	lch(22.04, 15.67, 225.72°)
OKLab	oklab(32.36% -0.0411 -0.0313)
OKLCH	oklch(32.36% 0.052 217.3)
XYZ	xyz(2.7248, 3.5266, 6.1662)
Luminance	0.0353 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B3A45 #45160B

analogous

#0B4533 #0B3A45 #0B1D45

triadic

#0B3A45 #450B3A #3A450B

tetradic

#0B3A45 #330B45 #45160B #1D450B

square

#0B3A45 #330B45 #45160B #1D450B

split-complementary

#0B3A45 #450B1D #45330B

monochromatic

#04161A #04161A #0B3A45 #13667A #1C93AF

Accessibility & contrast

On white

12.31

#0B3A45 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#0B3A45 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B3A45

12.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B3A45	#FFFFFF	#000000	##FFFFFF
##0B3A45	1.00	12.31	1.71	12.31
#FFFFFF	12.31	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#333846

Deuteranopia (green-blind)

#2B3245

Tritanopia (blue-blind)

#003E3D

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #0b3a45;
/* rgb */ color: rgb(11, 58, 69);
/* oklch */ color: oklch(32.4% 0.052 217.3);

Tailwind

colors: {
  custom: {
    50: '#557078',
    500: '#0b3a45',
    950: '#000000',
  },
}

SCSS

$custom: #0b3a45;
$custom-light: #557078;
$custom-dark: #000000;

JSON

{
  "hex": "#0b3a45",
  "rgb": {
    "r": 11,
    "g": 58,
    "b": 69
  },
  "hsl": {
    "h": 191.379,
    "s": 72.5,
    "l": 15.686
  },
  "oklch": {
    "l": 0.32355,
    "c": 0.05169,
    "h": 217.3
  },
  "luminance": 0.03527
}

Semantic roles & 50–950 ramp

primary

#0B3A45

secondary

#813B2A

accent

#5B39EF

background

#F5F6F7

surface

#E9ECED

border

#C5C7C8

text

#030709

muted

#787A7B

Preview Lab

Preview with #0B3A45

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

Preview Lab → · Contrast checker → · Palette generator →