#0A3449#0A3449

#0A3449 is a dark, muted cyan. Relative luminance 0.030; OKLCH L 30.8% C 0.058 H 235.5°. Best body text is #FFFFFF at 13.12:1 contrast (WCAG AA passes).

Color values

HEX	#0A3449
RGB	rgb(10, 52, 73)
HSL	hsl(200, 76%, 16%)
HSV	hsv(200, 86%, 29%)
CMYK	cmyk(86.3%, 28.8%, 0%, 71.4%)
CIE-LAB	lab(20.05, -5.60, -16.99)
CIE-LCH	lch(20.05, 17.89, 251.77°)
OKLab	oklab(30.82% -0.0329 -0.0479)
OKLCH	oklch(30.82% 0.058 235.5)
XYZ	xyz(2.5553, 3.0012, 6.7467)
Luminance	0.0300 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A3449 #491F0A

analogous

#0A493F #0A3449 #0A1549

triadic

#0A3449 #490A34 #34490A

tetradic

#0A3449 #3F0A49 #491F0A #15490A

square

#0A3449 #3F0A49 #491F0A #15490A

split-complementary

#0A3449 #490A15 #493F0A

monochromatic

#04131B #04131B #0A3449 #115A7F #1981B5

Accessibility & contrast

On white

13.12

#0A3449 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.60

#0A3449 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A3449

13.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A3449	#FFFFFF	#000000	##FFFFFF
##0A3449	1.00	13.12	1.60	13.12
#FFFFFF	13.12	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A344A

Deuteranopia (green-blind)

#212E49

Tritanopia (blue-blind)

#00393B

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #0a3449;
/* rgb */ color: rgb(10, 52, 73);
/* oklch */ color: oklch(30.8% 0.058 235.5);

Tailwind

colors: {
  custom: {
    50: '#556b7c',
    500: '#0a3449',
    950: '#000000',
  },
}

SCSS

$custom: #0a3449;
$custom-light: #556b7c;
$custom-dark: #000000;

JSON

{
  "hex": "#0a3449",
  "rgb": {
    "r": 10,
    "g": 52,
    "b": 73
  },
  "hsl": {
    "h": 200,
    "s": 75.904,
    "l": 16.275
  },
  "oklch": {
    "l": 0.30819,
    "c": 0.05817,
    "h": 235.5
  },
  "luminance": 0.03002
}

Semantic roles & 50–950 ramp

primary

#0A3449

secondary

#864829

accent

#7435F2

background

#F5F6F7

surface

#E9EBEE

border

#C5C6C9

text

#030609

muted

#787A7B

Preview Lab

Preview with #0A3449

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

Preview Lab → · Contrast checker → · Palette generator →