#0B284E#0B284E

#0B284E is a dark, moderate cyan. Relative luminance 0.021; OKLCH L 27.9% C 0.078 H 256.6°. Best body text is #FFFFFF at 14.71:1 contrast (WCAG AA passes).

Color values

HEX	#0B284E
RGB	rgb(11, 40, 78)
HSL	hsl(214, 75%, 17%)
HSV	hsv(214, 86%, 31%)
CMYK	cmyk(85.9%, 48.7%, 0%, 69.4%)
CIE-LAB	lab(16.20, 5.24, -26.47)
CIE-LCH	lch(16.20, 26.98, 281.19°)
OKLab	oklab(27.9% -0.018 -0.0759)
OKLCH	oklch(27.9% 0.078 256.6)
XYZ	xyz(2.2714, 2.1385, 7.4993)
Luminance	0.0214 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B284E #4E310B

analogous

#0B494E #0B284E #100B4E

triadic

#0B284E #4E0B28 #284E0B

tetradic

#0B284E #4E0B49 #4E310B #0B4E10

square

#0B284E #4E0B49 #4E310B #0B4E10

split-complementary

#0B284E #4E100B #494E0B

monochromatic

#040E1B #040E1B #0B284E #134484 #1A5FB9

Accessibility & contrast

On white

14.71

#0B284E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.43

#0B284E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B284E

14.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B284E	#FFFFFF	#000000	##FFFFFF
##0B284E	1.00	14.71	1.43	14.71
#FFFFFF	14.71	1.00	21.00	1.00
#000000	1.43	21.00	1.00	21.00
##FFFFFF	14.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#142B4F

Deuteranopia (green-blind)

#07254D

Tritanopia (blue-blind)

#003137

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #0b284e;
/* rgb */ color: rgb(11, 40, 78);
/* oklch */ color: oklch(27.9% 0.078 256.6);

Tailwind

colors: {
  custom: {
    50: '#566180',
    500: '#0b284e',
    950: '#000000',
  },
}

SCSS

$custom: #0b284e;
$custom-light: #566180;
$custom-dark: #000000;

JSON

{
  "hex": "#0b284e",
  "rgb": {
    "r": 11,
    "g": 40,
    "b": 78
  },
  "hsl": {
    "h": 214.03,
    "s": 75.281,
    "l": 17.451
  },
  "oklch": {
    "l": 0.27901,
    "c": 0.07797,
    "h": 256.6
  },
  "luminance": 0.02139
}

Semantic roles & 50–950 ramp

primary

#0B284E

secondary

#8A612B

accent

#A136F2

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#03050A

muted

#78797C

Preview Lab

Preview with #0B284E

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

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