#0B284F#0B284F

#0B284F is a dark, moderate cyan. Relative luminance 0.022; OKLCH L 28.0% C 0.080 H 257.1°. Best body text is #FFFFFF at 14.68:1 contrast (WCAG AA passes).

Color values

HEX	#0B284F
RGB	rgb(11, 40, 79)
HSL	hsl(214, 76%, 18%)
HSV	hsv(214, 86%, 31%)
CMYK	cmyk(86.1%, 49.4%, 0%, 69%)
CIE-LAB	lab(16.27, 5.68, -27.03)
CIE-LCH	lch(16.27, 27.62, 281.87°)
OKLab	oklab(27.98% -0.0178 -0.0775)
OKLCH	oklch(27.98% 0.08 257.1)
XYZ	xyz(2.3076, 2.1530, 7.6896)
Luminance	0.0215 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B284F #4F320B

analogous

#0B4A4F #0B284F #100B4F

triadic

#0B284F #4F0B28 #284F0B

tetradic

#0B284F #4F0B4A #4F320B #0B4F10

square

#0B284F #4F0B4A #4F320B #0B4F10

split-complementary

#0B284F #4F100B #4A4F0B

monochromatic

#040E1B #040E1B #0B284F #124385 #1A5EBA

Accessibility & contrast

On white

14.68

#0B284F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.43

#0B284F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B284F

14.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B284F	#FFFFFF	#000000	##FFFFFF
##0B284F	1.00	14.68	1.43	14.68
#FFFFFF	14.68	1.00	21.00	1.00
#000000	1.43	21.00	1.00	21.00
##FFFFFF	14.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#142C50

Deuteranopia (green-blind)

#05254E

Tritanopia (blue-blind)

#003137

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #0b284f;
/* rgb */ color: rgb(11, 40, 79);
/* oklch */ color: oklch(28.0% 0.080 257.1);

Tailwind

colors: {
  custom: {
    50: '#566180',
    500: '#0b284f',
    950: '#000000',
  },
}

SCSS

$custom: #0b284f;
$custom-light: #566180;
$custom-dark: #000000;

JSON

{
  "hex": "#0b284f",
  "rgb": {
    "r": 11,
    "g": 40,
    "b": 79
  },
  "hsl": {
    "h": 214.412,
    "s": 75.556,
    "l": 17.647
  },
  "oklch": {
    "l": 0.27981,
    "c": 0.07954,
    "h": 257.1
  },
  "luminance": 0.02153
}

Semantic roles & 50–950 ramp

primary

#0B284F

secondary

#8B622B

accent

#A236F2

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#03050A

muted

#78797C

Preview Lab

Preview with #0B284F

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

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