#0A3149#0A3149

#0A3149 is a dark, moderate cyan. Relative luminance 0.027; OKLCH L 30.0% C 0.061 H 240.7°. Best body text is #FFFFFF at 13.56:1 contrast (WCAG AA passes).

Color values

HEX	#0A3149
RGB	rgb(10, 49, 73)
HSL	hsl(203, 76%, 16%)
HSV	hsv(203, 86%, 29%)
CMYK	cmyk(86.3%, 32.9%, 0%, 71.4%)
CIE-LAB	lab(18.98, -3.56, -18.66)
CIE-LCH	lch(18.98, 19.00, 259.19°)
OKLab	oklab(29.97% -0.0296 -0.0528)
OKLCH	oklch(29.97% 0.061 240.7)
XYZ	xyz(2.4256, 2.7419, 6.7034)
Luminance	0.0274 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A3149 #49220A

analogous

#0A4942 #0A3149 #0A1249

triadic

#0A3149 #490A31 #31490A

tetradic

#0A3149 #420A49 #49220A #12490A

square

#0A3149 #420A49 #49220A #12490A

split-complementary

#0A3149 #490A12 #49420A

monochromatic

#04121B #04121B #0A3149 #11557F #1979B5

Accessibility & contrast

On white

13.56

#0A3149 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#0A3149 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A3149

13.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A3149	#FFFFFF	#000000	##FFFFFF
##0A3149	1.00	13.56	1.55	13.56
#FFFFFF	13.56	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#26314A

Deuteranopia (green-blind)

#1D2B49

Tritanopia (blue-blind)

#003739

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #0a3149;
/* rgb */ color: rgb(10, 49, 73);
/* oklch */ color: oklch(30.0% 0.061 240.7);

Tailwind

colors: {
  custom: {
    50: '#55687c',
    500: '#0a3149',
    950: '#000000',
  },
}

SCSS

$custom: #0a3149;
$custom-light: #55687c;
$custom-dark: #000000;

JSON

{
  "hex": "#0a3149",
  "rgb": {
    "r": 10,
    "g": 49,
    "b": 73
  },
  "hsl": {
    "h": 202.857,
    "s": 75.904,
    "l": 16.275
  },
  "oklch": {
    "l": 0.29969,
    "c": 0.06057,
    "h": 240.7
  },
  "luminance": 0.02742
}

Semantic roles & 50–950 ramp

primary

#0A3149

secondary

#864C29

accent

#7D35F2

background

#F5F6F7

surface

#E9EBEE

border

#C5C6C9

text

#030609

muted

#787A7B

Preview Lab

Preview with #0A3149

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

Preview Lab → · Contrast checker → · Palette generator →