#0B3A48#0B3A48

#0B3A48 is a dark, muted cyan. Relative luminance 0.036; OKLCH L 32.5% C 0.054 H 222.5°. Best body text is #FFFFFF at 12.26:1 contrast (WCAG AA passes).

Color values

HEX	#0B3A48
RGB	rgb(11, 58, 72)
HSL	hsl(194, 73%, 16%)
HSV	hsv(194, 85%, 28%)
CMYK	cmyk(84.7%, 19.4%, 0%, 71.8%)
CIE-LAB	lab(22.18, -9.76, -13.01)
CIE-LCH	lch(22.18, 16.27, 233.13°)
OKLab	oklab(32.51% -0.0397 -0.0364)
OKLCH	oklch(32.51% 0.054 222.5)
XYZ	xyz(2.8203, 3.5648, 6.6691)
Luminance	0.0357 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B3A48 #48190B

analogous

#0B4838 #0B3A48 #0B1C48

triadic

#0B3A48 #480B3A #3A480B

tetradic

#0B3A48 #380B48 #48190B #1C480B

square

#0B3A48 #380B48 #48190B #1C480B

split-complementary

#0B3A48 #480B1C #48380B

monochromatic

#04151B #04151B #0B3A48 #13657D #1B90B2

Accessibility & contrast

On white

12.26

#0B3A48 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#0B3A48 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B3A48

12.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B3A48	#FFFFFF	#000000	##FFFFFF
##0B3A48	1.00	12.26	1.71	12.26
#FFFFFF	12.26	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#323849

Deuteranopia (green-blind)

#2A3248

Tritanopia (blue-blind)

#003E3F

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #0b3a48;
/* rgb */ color: rgb(11, 58, 72);
/* oklch */ color: oklch(32.5% 0.054 222.5);

Tailwind

colors: {
  custom: {
    50: '#55707b',
    500: '#0b3a48',
    950: '#000000',
  },
}

SCSS

$custom: #0b3a48;
$custom-light: #55707b;
$custom-dark: #000000;

JSON

{
  "hex": "#0b3a48",
  "rgb": {
    "r": 11,
    "g": 58,
    "b": 72
  },
  "hsl": {
    "h": 193.77,
    "s": 73.494,
    "l": 16.275
  },
  "oklch": {
    "l": 0.3251,
    "c": 0.0539,
    "h": 222.5
  },
  "luminance": 0.03565
}

Semantic roles & 50–950 ramp

primary

#0B3A48

secondary

#843F2A

accent

#6238F0

background

#F5F6F7

surface

#E9ECED

border

#C5C7C8

text

#030709

muted

#787A7B

Preview Lab

Preview with #0B3A48

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

Preview Lab → · Contrast checker → · Palette generator →