#0B274A#0B274A

#0B274A is a dark, moderate cyan. Relative luminance 0.020; OKLCH L 27.3% C 0.073 H 255.8°. Best body text is #FFFFFF at 14.96:1 contrast (WCAG AA passes).

Color values

HEX	#0B274A
RGB	rgb(11, 39, 74)
HSL	hsl(213, 74%, 17%)
HSV	hsv(213, 85%, 29%)
CMYK	cmyk(85.1%, 47.3%, 0%, 71%)
CIE-LAB	lab(15.57, 4.19, -24.74)
CIE-LCH	lch(15.57, 25.09, 279.61°)
OKLab	oklab(27.33% -0.018 -0.0708)
OKLCH	oklch(27.33% 0.073 255.8)
XYZ	xyz(2.0991, 2.0164, 6.7558)
Luminance	0.0202 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B274A #4A2E0B

analogous

#0B474A #0B274A #0E0B4A

triadic

#0B274A #4A0B27 #274A0B

tetradic

#0B274A #4A0B47 #4A2E0B #0B4A0E

square

#0B274A #4A0B47 #4A2E0B #0B4A0E

split-complementary

#0B274A #4A0E0B #474A0B

monochromatic

#040E1B #040E1B #0B274A #13437F #1B5FB5

Accessibility & contrast

On white

14.96

#0B274A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.40

#0B274A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B274A

14.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B274A	#FFFFFF	#000000	##FFFFFF
##0B274A	1.00	14.96	1.40	14.96
#FFFFFF	14.96	1.00	21.00	1.00
#000000	1.40	21.00	1.00	21.00
##FFFFFF	14.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#162A4B

Deuteranopia (green-blind)

#0A2449

Tritanopia (blue-blind)

#002F34

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #0b274a;
/* rgb */ color: rgb(11, 39, 74);
/* oklch */ color: oklch(27.3% 0.073 255.8);

Tailwind

colors: {
  custom: {
    50: '#55607d',
    500: '#0b274a',
    950: '#000000',
  },
}

SCSS

$custom: #0b274a;
$custom-light: #55607d;
$custom-dark: #000000;

JSON

{
  "hex": "#0b274a",
  "rgb": {
    "r": 11,
    "g": 39,
    "b": 74
  },
  "hsl": {
    "h": 213.333,
    "s": 74.118,
    "l": 16.667
  },
  "oklch": {
    "l": 0.27325,
    "c": 0.07305,
    "h": 255.8
  },
  "luminance": 0.02017
}

Semantic roles & 50–950 ramp

primary

#0B274A

secondary

#865D2B

accent

#9E37F1

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#030409

muted

#78797B

Preview Lab

Preview with #0B274A

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

Preview Lab → · Contrast checker → · Palette generator →