#0A2F3C#0A2F3C

#0A2F3C is a dark, muted cyan. Relative luminance 0.024; OKLCH L 28.6% C 0.047 H 225.7°. Best body text is #FFFFFF at 14.14:1 contrast (WCAG AA passes).

Color values

HEX	#0A2F3C
RGB	rgb(10, 47, 60)
HSL	hsl(196, 71%, 14%)
HSV	hsv(196, 83%, 24%)
CMYK	cmyk(83.3%, 21.7%, 0%, 76.5%)
CIE-LAB	lab(17.57, -7.65, -11.97)
CIE-LCH	lch(17.57, 14.21, 237.41°)
OKLab	oklab(28.62% -0.0327 -0.0335)
OKLCH	oklch(28.62% 0.047 225.7)
XYZ	xyz(1.9570, 2.4236, 4.6387)
Luminance	0.0242 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A2F3C #3C170A

analogous

#0A3C30 #0A2F3C #0A163C

triadic

#0A2F3C #3C0A2F #2F3C0A

tetradic

#0A2F3C #300A3C #3C170A #163C0A

square

#0A2F3C #300A3C #3C170A #163C0A

split-complementary

#0A2F3C #3C0A16 #3C300A

monochromatic

#04151A #04151A #0A2F3C #135870 #1B81A5

Accessibility & contrast

On white

14.14

#0A2F3C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.48

#0A2F3C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A2F3C

14.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A2F3C	#FFFFFF	#000000	##FFFFFF
##0A2F3C	1.00	14.14	1.48	14.14
#FFFFFF	14.14	1.00	21.00	1.00
#000000	1.48	21.00	1.00	21.00
##FFFFFF	14.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#282E3D

Deuteranopia (green-blind)

#21293C

Tritanopia (blue-blind)

#003333

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #0a2f3c;
/* rgb */ color: rgb(10, 47, 60);
/* oklch */ color: oklch(28.6% 0.047 225.7);

Tailwind

colors: {
  custom: {
    50: '#526771',
    500: '#0a2f3c',
    950: '#000000',
  },
}

SCSS

$custom: #0a2f3c;
$custom-light: #526771;
$custom-dark: #000000;

JSON

{
  "hex": "#0a2f3c",
  "rgb": {
    "r": 10,
    "g": 47,
    "b": 60
  },
  "hsl": {
    "h": 195.6,
    "s": 71.429,
    "l": 13.725
  },
  "oklch": {
    "l": 0.2862,
    "c": 0.04685,
    "h": 225.7
  },
  "luminance": 0.02424
}

Semantic roles & 50–950 ramp

primary

#0A2F3C

secondary

#793D28

accent

#693AEE

background

#F4F6F6

surface

#E7EBEC

border

#C3C6C7

text

#020607

muted

#787A7A

Preview Lab

Preview with #0A2F3C

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

Preview Lab → · Contrast checker → · Palette generator →