#0B273D#0B273D

#0B273D is a dark, muted cyan. Relative luminance 0.019; OKLCH L 26.4% C 0.053 H 245.6°. Best body text is #FFFFFF at 15.31:1 contrast (WCAG AA passes).

Color values

HEX	#0B273D
RGB	rgb(11, 39, 61)
HSL	hsl(206, 69%, 14%)
HSV	hsv(206, 82%, 24%)
CMYK	cmyk(82%, 36.1%, 0%, 76.1%)
CIE-LAB	lab(14.73, -1.55, -17.09)
CIE-LCH	lch(14.73, 17.16, 264.82°)
OKLab	oklab(26.39% -0.0219 -0.0484)
OKLCH	oklch(26.39% 0.053 245.6)
XYZ	xyz(1.7055, 1.8589, 4.6829)
Luminance	0.0186 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B273D #3D210B

analogous

#0B3D3A #0B273D #0B0E3D

triadic

#0B273D #3D0B27 #273D0B

tetradic

#0B273D #3A0B3D #3D210B #0E3D0B

square

#0B273D #3A0B3D #3D210B #0E3D0B

split-complementary

#0B273D #3D0B0E #3D3A0B

monochromatic

#05111A #05111A #0B273D #144871 #1E69A5

Accessibility & contrast

On white

15.31

#0B273D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.37

#0B273D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B273D

15.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B273D	#FFFFFF	#000000	##FFFFFF
##0B273D	1.00	15.31	1.37	15.31
#FFFFFF	15.31	1.00	21.00	1.00
#000000	1.37	21.00	1.00	21.00
##FFFFFF	15.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D283E

Deuteranopia (green-blind)

#16233D

Tritanopia (blue-blind)

#002C2F

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #0b273d;
/* rgb */ color: rgb(11, 39, 61);
/* oklch */ color: oklch(26.4% 0.053 245.6);

Tailwind

colors: {
  custom: {
    50: '#526072',
    500: '#0b273d',
    950: '#000000',
  },
}

SCSS

$custom: #0b273d;
$custom-light: #526072;
$custom-dark: #000000;

JSON

{
  "hex": "#0b273d",
  "rgb": {
    "r": 11,
    "g": 39,
    "b": 61
  },
  "hsl": {
    "h": 206.4,
    "s": 69.444,
    "l": 14.118
  },
  "oklch": {
    "l": 0.2639,
    "c": 0.05315,
    "h": 245.6
  },
  "luminance": 0.01859
}

Semantic roles & 50–950 ramp

primary

#0B273D

secondary

#7A4D2A

accent

#893CEC

background

#F4F5F6

surface

#E7E9EC

border

#C3C5C7

text

#020508

muted

#78797B

Preview Lab

Preview with #0B273D

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

Preview Lab → · Contrast checker → · Palette generator →