#0A2B3A#0A2B3A

#0A2B3A is a dark, muted cyan. Relative luminance 0.021; OKLCH L 27.3% C 0.047 H 231.9°. Best body text is #FFFFFF at 14.79:1 contrast (WCAG AA passes).

Color values

HEX	#0A2B3A
RGB	rgb(10, 43, 58)
HSL	hsl(199, 71%, 13%)
HSV	hsv(199, 83%, 23%)
CMYK	cmyk(82.8%, 25.9%, 0%, 77.3%)
CIE-LAB	lab(15.99, -5.80, -13.03)
CIE-LCH	lch(15.99, 14.26, 246.00°)
OKLab	oklab(27.33% -0.0287 -0.0366)
OKLCH	oklch(27.33% 0.047 231.9)
XYZ	xyz(1.7525, 2.0976, 4.3147)
Luminance	0.0210 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A2B3A #3A190A

analogous

#0A3A31 #0A2B3A #0A133A

triadic

#0A2B3A #3A0A2B #2B3A0A

tetradic

#0A2B3A #310A3A #3A190A #133A0A

square

#0A2B3A #310A3A #3A190A #133A0A

split-complementary

#0A2B3A #3A0A13 #3A310A

monochromatic

#05131A #05131A #0A2B3A #13526E #1C78A2

Accessibility & contrast

On white

14.79

#0A2B3A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.42

#0A2B3A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A2B3A

14.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A2B3A	#FFFFFF	#000000	##FFFFFF
##0A2B3A	1.00	14.79	1.42	14.79
#FFFFFF	14.79	1.00	21.00	1.00
#000000	1.42	21.00	1.00	21.00
##FFFFFF	14.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#242A3B

Deuteranopia (green-blind)

#1D263A

Tritanopia (blue-blind)

#002F30

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #0a2b3a;
/* rgb */ color: rgb(10, 43, 58);
/* oklch */ color: oklch(27.3% 0.047 231.9);

Tailwind

colors: {
  custom: {
    50: '#516470',
    500: '#0a2b3a',
    950: '#000000',
  },
}

SCSS

$custom: #0a2b3a;
$custom-light: #516470;
$custom-dark: #000000;

JSON

{
  "hex": "#0a2b3a",
  "rgb": {
    "r": 10,
    "g": 43,
    "b": 58
  },
  "hsl": {
    "h": 198.75,
    "s": 70.588,
    "l": 13.333
  },
  "oklch": {
    "l": 0.27326,
    "c": 0.04652,
    "h": 231.9
  },
  "luminance": 0.02098
}

Semantic roles & 50–950 ramp

primary

#0A2B3A

secondary

#774128

accent

#723AED

background

#F4F5F6

surface

#E7EAEC

border

#C3C6C7

text

#020507

muted

#78797A

Preview Lab

Preview with #0A2B3A

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

Preview Lab → · Contrast checker → · Palette generator →