#0A2B38#0A2B38

#0A2B38 is a dark, muted cyan. Relative luminance 0.021; OKLCH L 27.2% C 0.044 H 228.1°. Best body text is #FFFFFF at 14.83:1 contrast (WCAG AA passes).

Color values

HEX	#0A2B38
RGB	rgb(10, 43, 56)
HSL	hsl(197, 70%, 13%)
HSV	hsv(197, 82%, 22%)
CMYK	cmyk(82.1%, 23.2%, 0%, 78%)
CIE-LAB	lab(15.89, -6.63, -11.79)
CIE-LCH	lch(15.89, 13.53, 240.66°)
OKLab	oklab(27.21% -0.0296 -0.033)
OKLCH	oklch(27.21% 0.044 228.1)
XYZ	xyz(1.7026, 2.0776, 4.0519)
Luminance	0.0208 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A2B38 #38170A

analogous

#0A382E #0A2B38 #0A1438

triadic

#0A2B38 #380A2B #2B380A

tetradic

#0A2B38 #2E0A38 #38170A #14380A

square

#0A2B38 #2E0A38 #38170A #14380A

split-complementary

#0A2B38 #380A14 #382E0A

monochromatic

#05141A #05141A #0A2B38 #13536C #1D7BA0

Accessibility & contrast

On white

14.83

#0A2B38 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.42

#0A2B38 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A2B38

14.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A2B38	#FFFFFF	#000000	##FFFFFF
##0A2B38	1.00	14.83	1.42	14.83
#FFFFFF	14.83	1.00	21.00	1.00
#000000	1.42	21.00	1.00	21.00
##FFFFFF	14.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#242A39

Deuteranopia (green-blind)

#1E2638

Tritanopia (blue-blind)

#002F2F

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #0a2b38;
/* rgb */ color: rgb(10, 43, 56);
/* oklch */ color: oklch(27.2% 0.044 228.1);

Tailwind

colors: {
  custom: {
    50: '#51646e',
    500: '#0a2b38',
    950: '#000000',
  },
}

SCSS

$custom: #0a2b38;
$custom-light: #51646e;
$custom-dark: #000000;

JSON

{
  "hex": "#0a2b38",
  "rgb": {
    "r": 10,
    "g": 43,
    "b": 56
  },
  "hsl": {
    "h": 196.957,
    "s": 69.697,
    "l": 12.941
  },
  "oklch": {
    "l": 0.27211,
    "c": 0.04437,
    "h": 228.1
  },
  "luminance": 0.02078
}

Semantic roles & 50–950 ramp

primary

#0A2B38

secondary

#753E28

accent

#6D3BED

background

#F4F5F6

surface

#E7EAEC

border

#C3C6C7

text

#020507

muted

#78797A

Preview Lab

Preview with #0A2B38

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

Preview Lab → · Contrast checker → · Palette generator →