#0B3B48#0B3B48

#0B3B48 is a dark, muted cyan. Relative luminance 0.037; OKLCH L 32.8% C 0.054 H 220.5°. Best body text is #FFFFFF at 12.11:1 contrast (WCAG AA passes).

Color values

HEX	#0B3B48
RGB	rgb(11, 59, 72)
HSL	hsl(193, 73%, 16%)
HSV	hsv(193, 85%, 28%)
CMYK	cmyk(84.7%, 18.1%, 0%, 71.8%)
CIE-LAB	lab(22.54, -10.39, -12.46)
CIE-LCH	lch(22.54, 16.22, 230.18°)
OKLab	oklab(32.8% -0.0409 -0.0349)
OKLCH	oklch(32.8% 0.054 220.5)
XYZ	xyz(2.8712, 3.6666, 6.6860)
Luminance	0.0367 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B3B48 #48180B

analogous

#0B4837 #0B3B48 #0B1D48

triadic

#0B3B48 #480B3B #3B480B

tetradic

#0B3B48 #370B48 #48180B #1D480B

square

#0B3B48 #370B48 #48180B #1D480B

split-complementary

#0B3B48 #480B1D #48370B

monochromatic

#04161B #04161B #0B3B48 #13677D #1B92B2

Accessibility & contrast

On white

12.11

#0B3B48 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#0B3B48 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B3B48

12.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B3B48	#FFFFFF	#000000	##FFFFFF
##0B3B48	1.00	12.11	1.73	12.11
#FFFFFF	12.11	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#333949

Deuteranopia (green-blind)

#2B3348

Tritanopia (blue-blind)

#003F3F

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #0b3b48;
/* rgb */ color: rgb(11, 59, 72);
/* oklch */ color: oklch(32.8% 0.054 220.5);

Tailwind

colors: {
  custom: {
    50: '#56717b',
    500: '#0b3b48',
    950: '#000000',
  },
}

SCSS

$custom: #0b3b48;
$custom-light: #56717b;
$custom-dark: #000000;

JSON

{
  "hex": "#0b3b48",
  "rgb": {
    "r": 11,
    "g": 59,
    "b": 72
  },
  "hsl": {
    "h": 192.787,
    "s": 73.494,
    "l": 16.275
  },
  "oklch": {
    "l": 0.32799,
    "c": 0.05373,
    "h": 220.5
  },
  "luminance": 0.03667
}

Semantic roles & 50–950 ramp

primary

#0B3B48

secondary

#843E2A

accent

#5F38F0

background

#F5F6F7

surface

#E9ECED

border

#C5C7C8

text

#030709

muted

#787A7B

Preview Lab

Preview with #0B3B48

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

Preview Lab → · Contrast checker → · Palette generator →