#0A353F#0A353F

#0A353F is a dark, muted cyan. Relative luminance 0.030; OKLCH L 30.6% C 0.048 H 217.0°. Best body text is #FFFFFF at 13.17:1 contrast (WCAG AA passes).

Color values

HEX	#0A353F
RGB	rgb(10, 53, 63)
HSL	hsl(191, 73%, 14%)
HSV	hsv(191, 84%, 25%)
CMYK	cmyk(84.1%, 15.9%, 0%, 75.3%)
CIE-LAB	lab(19.92, -10.31, -10.41)
CIE-LCH	lch(19.92, 14.66, 225.29°)
OKLab	oklab(30.55% -0.0386 -0.0291)
OKLCH	oklch(30.55% 0.048 217)
XYZ	xyz(2.2951, 2.9693, 5.1538)
Luminance	0.0297 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A353F #3F140A

analogous

#0A3F2F #0A353F #0A1B3F

triadic

#0A353F #3F0A35 #353F0A

tetradic

#0A353F #2F0A3F #3F140A #1B3F0A

square

#0A353F #2F0A3F #3F140A #1B3F0A

split-complementary

#0A353F #3F0A1B #3F2F0A

monochromatic

#04161A #04161A #0A353F #126174 #1B8EA9

Accessibility & contrast

On white

13.17

#0A353F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.59

#0A353F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A353F

13.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A353F	#FFFFFF	#000000	##FFFFFF
##0A353F	1.00	13.17	1.59	13.17
#FFFFFF	13.17	1.00	21.00	1.00
#000000	1.59	21.00	1.00	21.00
##FFFFFF	13.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E3340

Deuteranopia (green-blind)

#272E3F

Tritanopia (blue-blind)

#003938

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #0a353f;
/* rgb */ color: rgb(10, 53, 63);
/* oklch */ color: oklch(30.6% 0.048 217.0);

Tailwind

colors: {
  custom: {
    50: '#536c74',
    500: '#0a353f',
    950: '#000000',
  },
}

SCSS

$custom: #0a353f;
$custom-light: #536c74;
$custom-dark: #000000;

JSON

{
  "hex": "#0a353f",
  "rgb": {
    "r": 10,
    "g": 53,
    "b": 63
  },
  "hsl": {
    "h": 191.321,
    "s": 72.603,
    "l": 14.314
  },
  "oklch": {
    "l": 0.30554,
    "c": 0.04829,
    "h": 217
  },
  "luminance": 0.0297
}

Semantic roles & 50–950 ramp

primary

#0A353F

secondary

#7C3829

accent

#5B38EF

background

#F5F6F7

surface

#E8EBED

border

#C4C6C8

text

#030708

muted

#787A7B

Preview Lab

Preview with #0A353F

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

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