#0A303E#0A303E

#0A303E is a dark, muted cyan. Relative luminance 0.025; OKLCH L 29.0% C 0.048 H 227.0°. Best body text is #FFFFFF at 13.95:1 contrast (WCAG AA passes).

Color values

HEX	#0A303E
RGB	rgb(10, 48, 62)
HSL	hsl(196, 72%, 14%)
HSV	hsv(196, 84%, 24%)
CMYK	cmyk(83.9%, 22.6%, 0%, 75.7%)
CIE-LAB	lab(18.04, -7.50, -12.63)
CIE-LCH	lch(18.04, 14.69, 239.31°)
OKLab	oklab(29.03% -0.033 -0.0354)
OKLCH	oklch(29.03% 0.048 227)
XYZ	xyz(2.0513, 2.5260, 4.9360)
Luminance	0.0253 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A303E #3E180A

analogous

#0A3E32 #0A303E #0A163E

triadic

#0A303E #3E0A30 #303E0A

tetradic

#0A303E #320A3E #3E180A #163E0A

square

#0A303E #320A3E #3E180A #163E0A

split-complementary

#0A303E #3E0A16 #3E320A

monochromatic

#04141A #04141A #0A303E #135973 #1B82A7

Accessibility & contrast

On white

13.95

#0A303E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.51

#0A303E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A303E

13.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A303E	#FFFFFF	#000000	##FFFFFF
##0A303E	1.00	13.95	1.51	13.95
#FFFFFF	13.95	1.00	21.00	1.00
#000000	1.51	21.00	1.00	21.00
##FFFFFF	13.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#292F3F

Deuteranopia (green-blind)

#212A3E

Tritanopia (blue-blind)

#003435

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #0a303e;
/* rgb */ color: rgb(10, 48, 62);
/* oklch */ color: oklch(29.0% 0.048 227.0);

Tailwind

colors: {
  custom: {
    50: '#526873',
    500: '#0a303e',
    950: '#000000',
  },
}

SCSS

$custom: #0a303e;
$custom-light: #526873;
$custom-dark: #000000;

JSON

{
  "hex": "#0a303e",
  "rgb": {
    "r": 10,
    "g": 48,
    "b": 62
  },
  "hsl": {
    "h": 196.154,
    "s": 72.222,
    "l": 14.118
  },
  "oklch": {
    "l": 0.29026,
    "c": 0.04842,
    "h": 227
  },
  "luminance": 0.02526
}

Semantic roles & 50–950 ramp

primary

#0A303E

secondary

#7B3F28

accent

#6A39EF

background

#F4F6F6

surface

#E7EBEC

border

#C3C6C7

text

#030608

muted

#787A7B

Preview Lab

Preview with #0A303E

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

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