#0B274B#0B274B

#0B274B is a dark, moderate cyan. Relative luminance 0.020; OKLCH L 27.4% C 0.075 H 256.3°. Best body text is #FFFFFF at 14.94:1 contrast (WCAG AA passes).

Color values

HEX	#0B274B
RGB	rgb(11, 39, 75)
HSL	hsl(214, 74%, 17%)
HSV	hsv(214, 85%, 29%)
CMYK	cmyk(85.3%, 48%, 0%, 70.6%)
CIE-LAB	lab(15.64, 4.64, -25.31)
CIE-LCH	lch(15.64, 25.73, 280.39°)
OKLab	oklab(27.4% -0.0177 -0.0725)
OKLCH	oklch(27.4% 0.075 256.3)
XYZ	xyz(2.1331, 2.0299, 6.9346)
Luminance	0.0203 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B274B #4B2F0B

analogous

#0B474B #0B274B #0F0B4B

triadic

#0B274B #4B0B27 #274B0B

tetradic

#0B274B #4B0B47 #4B2F0B #0B4B0F

square

#0B274B #4B0B47 #4B2F0B #0B4B0F

split-complementary

#0B274B #4B0F0B #474B0B

monochromatic

#040E1B #040E1B #0B274B #134380 #1B5FB6

Accessibility & contrast

On white

14.94

#0B274B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.41

#0B274B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B274B

14.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B274B	#FFFFFF	#000000	##FFFFFF
##0B274B	1.00	14.94	1.41	14.94
#FFFFFF	14.94	1.00	21.00	1.00
#000000	1.41	21.00	1.00	21.00
##FFFFFF	14.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#152A4C

Deuteranopia (green-blind)

#09244A

Tritanopia (blue-blind)

#003035

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #0b274b;
/* rgb */ color: rgb(11, 39, 75);
/* oklch */ color: oklch(27.4% 0.075 256.3);

Tailwind

colors: {
  custom: {
    50: '#55607d',
    500: '#0b274b',
    950: '#000000',
  },
}

SCSS

$custom: #0b274b;
$custom-light: #55607d;
$custom-dark: #000000;

JSON

{
  "hex": "#0b274b",
  "rgb": {
    "r": 11,
    "g": 39,
    "b": 75
  },
  "hsl": {
    "h": 213.75,
    "s": 74.419,
    "l": 16.863
  },
  "oklch": {
    "l": 0.27403,
    "c": 0.07463,
    "h": 256.3
  },
  "luminance": 0.0203
}

Semantic roles & 50–950 ramp

primary

#0B274B

secondary

#875F2B

accent

#A037F1

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#03040A

muted

#78797C

Preview Lab

Preview with #0B274B

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

Preview Lab → · Contrast checker → · Palette generator →