#0A2F3A#0A2F3A

#0A2F3A is a dark, muted cyan. Relative luminance 0.024; OKLCH L 28.5% C 0.045 H 221.7°. Best body text is #FFFFFF at 14.18:1 contrast (WCAG AA passes).

Color values

HEX	#0A2F3A
RGB	rgb(10, 47, 58)
HSL	hsl(194, 71%, 13%)
HSV	hsv(194, 83%, 23%)
CMYK	cmyk(82.8%, 19%, 0%, 77.3%)
CIE-LAB	lab(17.47, -8.46, -10.74)
CIE-LCH	lch(17.47, 13.67, 231.77°)
OKLab	oklab(28.51% -0.0336 -0.03)
OKLCH	oklch(28.51% 0.045 221.7)
XYZ	xyz(1.9051, 2.4028, 4.3656)
Luminance	0.0240 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A2F3A #3A150A

analogous

#0A3A2D #0A2F3A #0A173A

triadic

#0A2F3A #3A0A2F #2F3A0A

tetradic

#0A2F3A #2D0A3A #3A150A #173A0A

square

#0A2F3A #2D0A3A #3A150A #173A0A

split-complementary

#0A2F3A #3A0A17 #3A2D0A

monochromatic

#05151A #05151A #0A2F3A #13596E #1C84A2

Accessibility & contrast

On white

14.18

#0A2F3A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.48

#0A2F3A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A2F3A

14.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A2F3A	#FFFFFF	#000000	##FFFFFF
##0A2F3A	1.00	14.18	1.48	14.18
#FFFFFF	14.18	1.00	21.00	1.00
#000000	1.48	21.00	1.00	21.00
##FFFFFF	14.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#292E3B

Deuteranopia (green-blind)

#22293A

Tritanopia (blue-blind)

#003233

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #0a2f3a;
/* rgb */ color: rgb(10, 47, 58);
/* oklch */ color: oklch(28.5% 0.045 221.7);

Tailwind

colors: {
  custom: {
    50: '#516770',
    500: '#0a2f3a',
    950: '#000000',
  },
}

SCSS

$custom: #0a2f3a;
$custom-light: #516770;
$custom-dark: #000000;

JSON

{
  "hex": "#0a2f3a",
  "rgb": {
    "r": 10,
    "g": 47,
    "b": 58
  },
  "hsl": {
    "h": 193.75,
    "s": 70.588,
    "l": 13.333
  },
  "oklch": {
    "l": 0.28512,
    "c": 0.04509,
    "h": 221.7
  },
  "luminance": 0.02403
}

Semantic roles & 50–950 ramp

primary

#0A2F3A

secondary

#773B28

accent

#633AED

background

#F4F6F6

surface

#E7EBEC

border

#C3C6C7

text

#020607

muted

#787A7A

Preview Lab

Preview with #0A2F3A

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

Preview Lab → · Contrast checker → · Palette generator →