#0B273E#0B273E

#0B273E is a dark, muted cyan. Relative luminance 0.019; OKLCH L 26.5% C 0.055 H 246.7°. Best body text is #FFFFFF at 15.28:1 contrast (WCAG AA passes).

Color values

HEX	#0B273E
RGB	rgb(11, 39, 62)
HSL	hsl(207, 70%, 14%)
HSV	hsv(207, 82%, 24%)
CMYK	cmyk(82.3%, 37.1%, 0%, 75.7%)
CIE-LAB	lab(14.79, -1.12, -17.70)
CIE-LCH	lch(14.79, 17.73, 266.39°)
OKLab	oklab(26.46% -0.0216 -0.0502)
OKLCH	oklch(26.46% 0.055 246.7)
XYZ	xyz(1.7327, 1.8698, 4.8261)
Luminance	0.0187 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B273E #3E220B

analogous

#0B3E3C #0B273E #0B0E3E

triadic

#0B273E #3E0B27 #273E0B

tetradic

#0B273E #3C0B3E #3E220B #0E3E0B

square

#0B273E #3C0B3E #3E220B #0E3E0B

split-complementary

#0B273E #3E0B0E #3E3C0B

monochromatic

#05101A #05101A #0B273E #144872 #1D68A6

Accessibility & contrast

On white

15.28

#0B273E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.37

#0B273E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B273E

15.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B273E	#FFFFFF	#000000	##FFFFFF
##0B273E	1.00	15.28	1.37	15.28
#FFFFFF	15.28	1.00	21.00	1.00
#000000	1.37	21.00	1.00	21.00
##FFFFFF	15.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D283F

Deuteranopia (green-blind)

#15233E

Tritanopia (blue-blind)

#002D2F

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #0b273e;
/* rgb */ color: rgb(11, 39, 62);
/* oklch */ color: oklch(26.5% 0.055 246.7);

Tailwind

colors: {
  custom: {
    50: '#526073',
    500: '#0b273e',
    950: '#000000',
  },
}

SCSS

$custom: #0b273e;
$custom-light: #526073;
$custom-dark: #000000;

JSON

{
  "hex": "#0b273e",
  "rgb": {
    "r": 11,
    "g": 39,
    "b": 62
  },
  "hsl": {
    "h": 207.059,
    "s": 69.863,
    "l": 14.314
  },
  "oklch": {
    "l": 0.26456,
    "c": 0.05461,
    "h": 246.7
  },
  "luminance": 0.0187
}

Semantic roles & 50–950 ramp

primary

#0B273E

secondary

#7B4E2A

accent

#8B3BED

background

#F4F5F7

surface

#E7E9ED

border

#C3C5C8

text

#020508

muted

#78797B

Preview Lab

Preview with #0B273E

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

Preview Lab → · Contrast checker → · Palette generator →