#0A3549#0A3549

#0A3549 is a dark, muted cyan. Relative luminance 0.031; OKLCH L 31.1% C 0.057 H 233.7°. Best body text is #FFFFFF at 12.98:1 contrast (WCAG AA passes).

Color values

HEX	#0A3549
RGB	rgb(10, 53, 73)
HSL	hsl(199, 76%, 16%)
HSV	hsv(199, 86%, 29%)
CMYK	cmyk(86.3%, 27.4%, 0%, 71.4%)
CIE-LAB	lab(20.41, -6.26, -16.43)
CIE-LCH	lch(20.41, 17.58, 249.13°)
OKLab	oklab(31.1% -0.0341 -0.0463)
OKLCH	oklch(31.1% 0.057 233.7)
XYZ	xyz(2.6004, 3.0915, 6.7617)
Luminance	0.0309 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A3549 #491E0A

analogous

#0A493E #0A3549 #0A1649

triadic

#0A3549 #490A35 #35490A

tetradic

#0A3549 #3E0A49 #491E0A #16490A

square

#0A3549 #3E0A49 #491E0A #16490A

split-complementary

#0A3549 #490A16 #493E0A

monochromatic

#04141B #04141B #0A3549 #115C7F #1983B5

Accessibility & contrast

On white

12.98

#0A3549 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.62

#0A3549 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A3549

12.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A3549	#FFFFFF	#000000	##FFFFFF
##0A3549	1.00	12.98	1.62	12.98
#FFFFFF	12.98	1.00	21.00	1.00
#000000	1.62	21.00	1.00	21.00
##FFFFFF	12.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B344A

Deuteranopia (green-blind)

#232F49

Tritanopia (blue-blind)

#003A3C

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #0a3549;
/* rgb */ color: rgb(10, 53, 73);
/* oklch */ color: oklch(31.1% 0.057 233.7);

Tailwind

colors: {
  custom: {
    50: '#556c7b',
    500: '#0a3549',
    950: '#000000',
  },
}

SCSS

$custom: #0a3549;
$custom-light: #556c7b;
$custom-dark: #000000;

JSON

{
  "hex": "#0a3549",
  "rgb": {
    "r": 10,
    "g": 53,
    "b": 73
  },
  "hsl": {
    "h": 199.048,
    "s": 75.904,
    "l": 16.275
  },
  "oklch": {
    "l": 0.31103,
    "c": 0.05749,
    "h": 233.7
  },
  "luminance": 0.03092
}

Semantic roles & 50–950 ramp

primary

#0A3549

secondary

#864629

accent

#7135F2

background

#F5F6F7

surface

#E9EBEE

border

#C5C6C9

text

#030609

muted

#787A7B

Preview Lab

Preview with #0A3549

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

Preview Lab → · Contrast checker → · Palette generator →