#0B333B#0B333B

#0B333B is a dark, muted cyan. Relative luminance 0.028; OKLCH L 29.8% C 0.045 H 213.8°. Best body text is #FFFFFF at 13.54:1 contrast (WCAG AA passes).

Color values

HEX	#0B333B
RGB	rgb(11, 51, 59)
HSL	hsl(190, 69%, 14%)
HSV	hsv(190, 81%, 23%)
CMYK	cmyk(81.4%, 13.6%, 0%, 76.9%)
CIE-LAB	lab(19.03, -10.45, -9.04)
CIE-LCH	lch(19.03, 13.82, 220.85°)
OKLab	oklab(29.79% -0.0375 -0.0252)
OKLCH	oklch(29.79% 0.045 213.8)
XYZ	xyz(2.1109, 2.7543, 4.5572)
Luminance	0.0276 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B333B #3B130B

analogous

#0B3B2B #0B333B #0B1B3B

triadic

#0B333B #3B0B33 #333B0B

tetradic

#0B333B #2B0B3B #3B130B #1B3B0B

square

#0B333B #2B0B3B #3B130B #1B3B0B

split-complementary

#0B333B #3B0B1B #3B2B0B

monochromatic

#05161A #05161A #0B333B #15606F #1E8CA2

Accessibility & contrast

On white

13.54

#0B333B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#0B333B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B333B

13.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B333B	#FFFFFF	#000000	##FFFFFF
##0B333B	1.00	13.54	1.55	13.54
#FFFFFF	13.54	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D313B

Deuteranopia (green-blind)

#262C3B

Tritanopia (blue-blind)

#003635

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #0b333b;
/* rgb */ color: rgb(11, 51, 59);
/* oklch */ color: oklch(29.8% 0.045 213.8);

Tailwind

colors: {
  custom: {
    50: '#526a70',
    500: '#0b333b',
    950: '#000000',
  },
}

SCSS

$custom: #0b333b;
$custom-light: #526a70;
$custom-dark: #000000;

JSON

{
  "hex": "#0b333b",
  "rgb": {
    "r": 11,
    "g": 51,
    "b": 59
  },
  "hsl": {
    "h": 190,
    "s": 68.571,
    "l": 13.725
  },
  "oklch": {
    "l": 0.29787,
    "c": 0.04519,
    "h": 213.8
  },
  "luminance": 0.02755
}

Semantic roles & 50–950 ramp

primary

#0B333B

secondary

#78372A

accent

#5A3CEB

background

#F4F6F6

surface

#E7EBEC

border

#C3C6C7

text

#030607

muted

#787A7A

Preview Lab

Preview with #0B333B

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

Preview Lab → · Contrast checker → · Palette generator →