#0A2D3A#0A2D3A

#0A2D3A is a dark, muted cyan. Relative luminance 0.022; OKLCH L 27.9% C 0.046 H 226.9°. Best body text is #FFFFFF at 14.49:1 contrast (WCAG AA passes).

Color values

HEX	#0A2D3A
RGB	rgb(10, 45, 58)
HSL	hsl(196, 71%, 13%)
HSV	hsv(196, 83%, 23%)
CMYK	cmyk(82.8%, 22.4%, 0%, 77.3%)
CIE-LAB	lab(16.73, -7.15, -11.88)
CIE-LCH	lch(16.73, 13.87, 238.98°)
OKLab	oklab(27.92% -0.0312 -0.0333)
OKLCH	oklch(27.92% 0.046 226.9)
XYZ	xyz(1.8270, 2.2466, 4.3395)
Luminance	0.0225 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A2D3A #3A170A

analogous

#0A3A2F #0A2D3A #0A153A

triadic

#0A2D3A #3A0A2D #2D3A0A

tetradic

#0A2D3A #2F0A3A #3A170A #153A0A

square

#0A2D3A #2F0A3A #3A170A #153A0A

split-complementary

#0A2D3A #3A0A15 #3A2F0A

monochromatic

#05141A #05141A #0A2D3A #13556E #1C7EA2

Accessibility & contrast

On white

14.49

#0A2D3A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.45

#0A2D3A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A2D3A

14.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A2D3A	#FFFFFF	#000000	##FFFFFF
##0A2D3A	1.00	14.49	1.45	14.49
#FFFFFF	14.49	1.00	21.00	1.00
#000000	1.45	21.00	1.00	21.00
##FFFFFF	14.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#262C3B

Deuteranopia (green-blind)

#1F273A

Tritanopia (blue-blind)

#003131

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #0a2d3a;
/* rgb */ color: rgb(10, 45, 58);
/* oklch */ color: oklch(27.9% 0.046 226.9);

Tailwind

colors: {
  custom: {
    50: '#516570',
    500: '#0a2d3a',
    950: '#000000',
  },
}

SCSS

$custom: #0a2d3a;
$custom-light: #516570;
$custom-dark: #000000;

JSON

{
  "hex": "#0a2d3a",
  "rgb": {
    "r": 10,
    "g": 45,
    "b": 58
  },
  "hsl": {
    "h": 196.25,
    "s": 70.588,
    "l": 13.333
  },
  "oklch": {
    "l": 0.27917,
    "c": 0.0456,
    "h": 226.9
  },
  "luminance": 0.02247
}

Semantic roles & 50–950 ramp

primary

#0A2D3A

secondary

#773E28

accent

#6B3AED

background

#F4F6F6

surface

#E7EBEC

border

#C3C6C7

text

#020507

muted

#787A7A

Preview Lab

Preview with #0A2D3A

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

Preview Lab → · Contrast checker → · Palette generator →