#0B284D#0B284D

#0B284D is a dark, moderate cyan. Relative luminance 0.021; OKLCH L 27.8% C 0.076 H 256.2°. Best body text is #FFFFFF at 14.74:1 contrast (WCAG AA passes).

Color values

HEX	#0B284D
RGB	rgb(11, 40, 77)
HSL	hsl(214, 75%, 17%)
HSV	hsv(214, 86%, 30%)
CMYK	cmyk(85.7%, 48.1%, 0%, 69.8%)
CIE-LAB	lab(16.13, 4.79, -25.90)
CIE-LCH	lch(16.13, 26.34, 280.48°)
OKLab	oklab(27.82% -0.0182 -0.0742)
OKLCH	oklch(27.82% 0.076 256.2)
XYZ	xyz(2.2359, 2.1243, 7.3119)
Luminance	0.0213 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B284D #4D300B

analogous

#0B494D #0B284D #0F0B4D

triadic

#0B284D #4D0B28 #284D0B

tetradic

#0B284D #4D0B49 #4D300B #0B4D0F

square

#0B284D #4D0B49 #4D300B #0B4D0F

split-complementary

#0B284D #4D0F0B #494D0B

monochromatic

#040E1B #040E1B #0B284D #134483 #1A60B8

Accessibility & contrast

On white

14.74

#0B284D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.43

#0B284D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B284D

14.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B284D	#FFFFFF	#000000	##FFFFFF
##0B284D	1.00	14.74	1.43	14.74
#FFFFFF	14.74	1.00	21.00	1.00
#000000	1.43	21.00	1.00	21.00
##FFFFFF	14.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#152B4E

Deuteranopia (green-blind)

#08254C

Tritanopia (blue-blind)

#003136

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #0b284d;
/* rgb */ color: rgb(11, 40, 77);
/* oklch */ color: oklch(27.8% 0.076 256.2);

Tailwind

colors: {
  custom: {
    50: '#56617f',
    500: '#0b284d',
    950: '#000000',
  },
}

SCSS

$custom: #0b284d;
$custom-light: #56617f;
$custom-dark: #000000;

JSON

{
  "hex": "#0b284d",
  "rgb": {
    "r": 11,
    "g": 40,
    "b": 77
  },
  "hsl": {
    "h": 213.636,
    "s": 75,
    "l": 17.255
  },
  "oklch": {
    "l": 0.27823,
    "c": 0.07641,
    "h": 256.2
  },
  "luminance": 0.02125
}

Semantic roles & 50–950 ramp

primary

#0B284D

secondary

#89602B

accent

#9F36F2

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#03050A

muted

#78797C

Preview Lab

Preview with #0B284D

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

Preview Lab → · Contrast checker → · Palette generator →