#0A2B3C#0A2B3C

#0A2B3C is a dark, muted cyan. Relative luminance 0.021; OKLCH L 27.4% C 0.049 H 235.3°. Best body text is #FFFFFF at 14.75:1 contrast (WCAG AA passes).

Color values

HEX	#0A2B3C
RGB	rgb(10, 43, 60)
HSL	hsl(200, 71%, 14%)
HSV	hsv(200, 83%, 24%)
CMYK	cmyk(83.3%, 28.3%, 0%, 76.5%)
CIE-LAB	lab(16.10, -4.96, -14.26)
CIE-LCH	lch(16.10, 15.10, 250.80°)
OKLab	oklab(27.45% -0.0278 -0.0401)
OKLCH	oklch(27.45% 0.049 235.3)
XYZ	xyz(1.8043, 2.1183, 4.5879)
Luminance	0.0212 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A2B3C #3C1B0A

analogous

#0A3C34 #0A2B3C #0A123C

triadic

#0A2B3C #3C0A2B #2B3C0A

tetradic

#0A2B3C #340A3C #3C1B0A #123C0A

square

#0A2B3C #340A3C #3C1B0A #123C0A

split-complementary

#0A2B3C #3C0A12 #3C340A

monochromatic

#04131A #04131A #0A2B3C #135170 #1B76A5

Accessibility & contrast

On white

14.75

#0A2B3C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.42

#0A2B3C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A2B3C

14.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A2B3C	#FFFFFF	#000000	##FFFFFF
##0A2B3C	1.00	14.75	1.42	14.75
#FFFFFF	14.75	1.00	21.00	1.00
#000000	1.42	21.00	1.00	21.00
##FFFFFF	14.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#232B3D

Deuteranopia (green-blind)

#1C263C

Tritanopia (blue-blind)

#002F31

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #0a2b3c;
/* rgb */ color: rgb(10, 43, 60);
/* oklch */ color: oklch(27.4% 0.049 235.3);

Tailwind

colors: {
  custom: {
    50: '#516471',
    500: '#0a2b3c',
    950: '#000000',
  },
}

SCSS

$custom: #0a2b3c;
$custom-light: #516471;
$custom-dark: #000000;

JSON

{
  "hex": "#0a2b3c",
  "rgb": {
    "r": 10,
    "g": 43,
    "b": 60
  },
  "hsl": {
    "h": 200.4,
    "s": 71.429,
    "l": 13.725
  },
  "oklch": {
    "l": 0.27445,
    "c": 0.04885,
    "h": 235.3
  },
  "luminance": 0.02119
}

Semantic roles & 50–950 ramp

primary

#0A2B3C

secondary

#794428

accent

#773AEE

background

#F4F5F6

surface

#E7EAEC

border

#C3C6C7

text

#020507

muted

#78797A

Preview Lab

Preview with #0A2B3C

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

Preview Lab → · Contrast checker → · Palette generator →