#0F305A#0F305A

#0F305A is a dark, moderate cyan. Relative luminance 0.030; OKLCH L 31.0% C 0.085 H 256.1°. Best body text is #FFFFFF at 13.20:1 contrast (WCAG AA passes).

Color values

HEX	#0F305A
RGB	rgb(15, 48, 90)
HSL	hsl(214, 71%, 21%)
HSV	hsv(214, 83%, 35%)
CMYK	cmyk(83.3%, 46.7%, 0%, 64.7%)
CIE-LAB	lab(19.86, 5.18, -28.65)
CIE-LCH	lch(19.86, 29.11, 280.24°)
OKLab	oklab(31.05% -0.0203 -0.082)
OKLCH	oklch(31.05% 0.085 256.1)
XYZ	xyz(3.0987, 2.9533, 10.0776)
Luminance	0.0295 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F305A #5A390F

analogous

#0F555A #0F305A #130F5A

triadic

#0F305A #5A0F30 #305A0F

tetradic

#0F305A #5A0F55 #5A390F #0F5A13

square

#0F305A #5A0F55 #5A390F #0F5A13

split-complementary

#0F305A #5A130F #555A0F

monochromatic

#040E1A #061426 #0F305A #184C8E #2068C3

Accessibility & contrast

On white

13.20

#0F305A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.59

#0F305A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F305A

13.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F305A	#FFFFFF	#000000	##FFFFFF
##0F305A	1.00	13.20	1.59	13.20
#FFFFFF	13.20	1.00	21.00	1.00
#000000	1.59	21.00	1.00	21.00
##FFFFFF	13.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B345C

Deuteranopia (green-blind)

#0D2D59

Tritanopia (blue-blind)

#003A40

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #0f305a;
/* rgb */ color: rgb(15, 48, 90);
/* oklch */ color: oklch(31.0% 0.085 256.1);

Tailwind

colors: {
  custom: {
    50: '#5a6789',
    500: '#0f305a',
    950: '#000000',
  },
}

SCSS

$custom: #0f305a;
$custom-light: #5a6789;
$custom-dark: #000000;

JSON

{
  "hex": "#0f305a",
  "rgb": {
    "r": 15,
    "g": 48,
    "b": 90
  },
  "hsl": {
    "h": 213.6,
    "s": 71.429,
    "l": 20.588
  },
  "oklch": {
    "l": 0.31047,
    "c": 0.08451,
    "h": 256.1
  },
  "luminance": 0.02954
}

Semantic roles & 50–950 ramp

primary

#0F305A

secondary

#946831

accent

#9F3AEE

background

#F5F6F8

surface

#E9EBF0

border

#C5C6CB

text

#04060B

muted

#797A7C

Preview Lab

Preview with #0F305A

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

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