#0B274E#0B274E

#0B274E is a dark, moderate cyan. Relative luminance 0.021; OKLCH L 27.6% C 0.079 H 257.6°. Best body text is #FFFFFF at 14.85:1 contrast (WCAG AA passes).

Color values

HEX	#0B274E
RGB	rgb(11, 39, 78)
HSL	hsl(215, 75%, 17%)
HSV	hsv(215, 86%, 31%)
CMYK	cmyk(85.9%, 50%, 0%, 69.4%)
CIE-LAB	lab(15.86, 5.98, -27.01)
CIE-LCH	lch(15.86, 27.66, 282.49°)
OKLab	oklab(27.64% -0.017 -0.0775)
OKLCH	oklch(27.64% 0.079 257.6)
XYZ	xyz(2.2382, 2.0720, 7.4882)
Luminance	0.0207 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B274E #4E320B

analogous

#0B494E #0B274E #100B4E

triadic

#0B274E #4E0B27 #274E0B

tetradic

#0B274E #4E0B49 #4E320B #0B4E10

square

#0B274E #4E0B49 #4E320B #0B4E10

split-complementary

#0B274E #4E100B #494E0B

monochromatic

#040D1B #040D1B #0B274E #134284 #1A5DB9

Accessibility & contrast

On white

14.85

#0B274E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.41

#0B274E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B274E

14.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B274E	#FFFFFF	#000000	##FFFFFF
##0B274E	1.00	14.85	1.41	14.85
#FFFFFF	14.85	1.00	21.00	1.00
#000000	1.41	21.00	1.00	21.00
##FFFFFF	14.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#122B4F

Deuteranopia (green-blind)

#04254D

Tritanopia (blue-blind)

#003036

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #0b274e;
/* rgb */ color: rgb(11, 39, 78);
/* oklch */ color: oklch(27.6% 0.079 257.6);

Tailwind

colors: {
  custom: {
    50: '#566080',
    500: '#0b274e',
    950: '#000000',
  },
}

SCSS

$custom: #0b274e;
$custom-light: #566080;
$custom-dark: #000000;

JSON

{
  "hex": "#0b274e",
  "rgb": {
    "r": 11,
    "g": 39,
    "b": 78
  },
  "hsl": {
    "h": 214.925,
    "s": 75.281,
    "l": 17.451
  },
  "oklch": {
    "l": 0.2764,
    "c": 0.07933,
    "h": 257.6
  },
  "luminance": 0.02072
}

Semantic roles & 50–950 ramp

primary

#0B274E

secondary

#8A622B

accent

#A336F2

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#03040A

muted

#78797C

Preview Lab

Preview with #0B274E

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

Preview Lab → · Contrast checker → · Palette generator →