#0B2B38#0B2B38

#0B2B38 is a dark, muted cyan. Relative luminance 0.021; OKLCH L 27.2% C 0.044 H 228.6°. Best body text is #FFFFFF at 14.82:1 contrast (WCAG AA passes).

Color values

HEX	#0B2B38
RGB	rgb(11, 43, 56)
HSL	hsl(197, 67%, 13%)
HSV	hsv(197, 80%, 22%)
CMYK	cmyk(80.4%, 23.2%, 0%, 78%)
CIE-LAB	lab(15.92, -6.45, -11.74)
CIE-LCH	lch(15.92, 13.39, 241.22°)
OKLab	oklab(27.25% -0.0289 -0.0329)
OKLCH	oklch(27.25% 0.044 228.6)
XYZ	xyz(1.7154, 2.0842, 4.0525)
Luminance	0.0208 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B2B38 #38180B

analogous

#0B382E #0B2B38 #0B1438

triadic

#0B2B38 #380B2B #2B380B

tetradic

#0B2B38 #2E0B38 #38180B #14380B

square

#0B2B38 #2E0B38 #38180B #14380B

split-complementary

#0B2B38 #380B14 #382E0B

monochromatic

#05141A #05141A #0B2B38 #15526B #1F7A9E

Accessibility & contrast

On white

14.82

#0B2B38 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.42

#0B2B38 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B2B38

14.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B2B38	#FFFFFF	#000000	##FFFFFF
##0B2B38	1.00	14.82	1.42	14.82
#FFFFFF	14.82	1.00	21.00	1.00
#000000	1.42	21.00	1.00	21.00
##FFFFFF	14.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#242A39

Deuteranopia (green-blind)

#1E2638

Tritanopia (blue-blind)

#002F2F

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #0b2b38;
/* rgb */ color: rgb(11, 43, 56);
/* oklch */ color: oklch(27.2% 0.044 228.6);

Tailwind

colors: {
  custom: {
    50: '#51646e',
    500: '#0b2b38',
    950: '#000000',
  },
}

SCSS

$custom: #0b2b38;
$custom-light: #51646e;
$custom-dark: #000000;

JSON

{
  "hex": "#0b2b38",
  "rgb": {
    "r": 11,
    "g": 43,
    "b": 56
  },
  "hsl": {
    "h": 197.333,
    "s": 67.164,
    "l": 13.137
  },
  "oklch": {
    "l": 0.27248,
    "c": 0.0438,
    "h": 228.6
  },
  "luminance": 0.02084
}

Semantic roles & 50–950 ramp

primary

#0B2B38

secondary

#75402A

accent

#703EEA

background

#F4F5F6

surface

#E7EAEC

border

#C3C6C7

text

#020507

muted

#78797A

Preview Lab

Preview with #0B2B38

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

Preview Lab → · Contrast checker → · Palette generator →