#0B2D3F#0B2D3F

#0B2D3F is a dark, muted cyan. Relative luminance 0.023; OKLCH L 28.2% C 0.051 H 235.9°. Best body text is #FFFFFF at 14.37:1 contrast (WCAG AA passes).

Color values

HEX	#0B2D3F
RGB	rgb(11, 45, 63)
HSL	hsl(201, 70%, 15%)
HSV	hsv(201, 83%, 25%)
CMYK	cmyk(82.5%, 28.6%, 0%, 75.3%)
CIE-LAB	lab(17.02, -4.91, -14.89)
CIE-LCH	lch(17.02, 15.68, 251.75°)
OKLab	oklab(28.24% -0.0284 -0.0419)
OKLCH	oklch(28.24% 0.051 235.9)
XYZ	xyz(1.9732, 2.3066, 5.0429)
Luminance	0.0231 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B2D3F #3F1D0B

analogous

#0B3F37 #0B2D3F #0B133F

triadic

#0B2D3F #3F0B2D #2D3F0B

tetradic

#0B2D3F #370B3F #3F1D0B #133F0B

square

#0B2D3F #370B3F #3F1D0B #133F0B

split-complementary

#0B2D3F #3F0B13 #3F370B

monochromatic

#05131A #05131A #0B2D3F #145273 #1D77A7

Accessibility & contrast

On white

14.37

#0B2D3F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.46

#0B2D3F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B2D3F

14.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B2D3F	#FFFFFF	#000000	##FFFFFF
##0B2D3F	1.00	14.37	1.46	14.37
#FFFFFF	14.37	1.00	21.00	1.00
#000000	1.46	21.00	1.00	21.00
##FFFFFF	14.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#242D40

Deuteranopia (green-blind)

#1D283F

Tritanopia (blue-blind)

#003233

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #0b2d3f;
/* rgb */ color: rgb(11, 45, 63);
/* oklch */ color: oklch(28.2% 0.051 235.9);

Tailwind

colors: {
  custom: {
    50: '#526574',
    500: '#0b2d3f',
    950: '#000000',
  },
}

SCSS

$custom: #0b2d3f;
$custom-light: #526574;
$custom-dark: #000000;

JSON

{
  "hex": "#0b2d3f",
  "rgb": {
    "r": 11,
    "g": 45,
    "b": 63
  },
  "hsl": {
    "h": 200.769,
    "s": 70.27,
    "l": 14.51
  },
  "oklch": {
    "l": 0.28242,
    "c": 0.05064,
    "h": 235.9
  },
  "luminance": 0.02307
}

Semantic roles & 50–950 ramp

primary

#0B2D3F

secondary

#7C462A

accent

#783BED

background

#F4F6F7

surface

#E7EBED

border

#C3C6C8

text

#030508

muted

#787A7B

Preview Lab

Preview with #0B2D3F

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

Preview Lab → · Contrast checker → · Palette generator →