#0B273A#0B273A

#0B273A is a dark, muted cyan. Relative luminance 0.018; OKLCH L 26.2% C 0.049 H 241.8°. Best body text is #FFFFFF at 15.38:1 contrast (WCAG AA passes).

Color values

HEX	#0B273A
RGB	rgb(11, 39, 58)
HSL	hsl(204, 68%, 14%)
HSV	hsv(204, 81%, 23%)
CMYK	cmyk(81%, 32.8%, 0%, 77.3%)
CIE-LAB	lab(14.55, -2.84, -15.26)
CIE-LCH	lch(14.55, 15.53, 259.46°)
OKLab	oklab(26.2% -0.0231 -0.0431)
OKLCH	oklch(26.2% 0.049 241.8)
XYZ	xyz(1.6270, 1.8275, 4.2692)
Luminance	0.0183 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B273A #3A1E0B

analogous

#0B3A35 #0B273A #0B0F3A

triadic

#0B273A #3A0B27 #273A0B

tetradic

#0B273A #350B3A #3A1E0B #0F3A0B

square

#0B273A #350B3A #3A1E0B #0F3A0B

split-complementary

#0B273A #3A0B0F #3A350B

monochromatic

#05111A #05111A #0B273A #154A6D #1F6CA1

Accessibility & contrast

On white

15.38

#0B273A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.37

#0B273A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B273A

15.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B273A	#FFFFFF	#000000	##FFFFFF
##0B273A	1.00	15.38	1.37	15.38
#FFFFFF	15.38	1.00	21.00	1.00
#000000	1.37	21.00	1.00	21.00
##FFFFFF	15.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E273B

Deuteranopia (green-blind)

#18233A

Tritanopia (blue-blind)

#002C2E

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #0b273a;
/* rgb */ color: rgb(11, 39, 58);
/* oklch */ color: oklch(26.2% 0.049 241.8);

Tailwind

colors: {
  custom: {
    50: '#516070',
    500: '#0b273a',
    950: '#000000',
  },
}

SCSS

$custom: #0b273a;
$custom-light: #516070;
$custom-dark: #000000;

JSON

{
  "hex": "#0b273a",
  "rgb": {
    "r": 11,
    "g": 39,
    "b": 58
  },
  "hsl": {
    "h": 204.255,
    "s": 68.116,
    "l": 13.529
  },
  "oklch": {
    "l": 0.26195,
    "c": 0.04889,
    "h": 241.8
  },
  "luminance": 0.01828
}

Semantic roles & 50–950 ramp

primary

#0B273A

secondary

#77492A

accent

#833DEB

background

#F4F5F6

surface

#E7E9EC

border

#C3C5C7

text

#020507

muted

#78797A

Preview Lab

Preview with #0B273A

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

Preview Lab → · Contrast checker → · Palette generator →