#0A3E49#0A3E49

#0A3E49 is a dark, muted cyan. Relative luminance 0.040; OKLCH L 33.7% C 0.055 H 215.8°. Best body text is #FFFFFF at 11.68:1 contrast (WCAG AA passes).

Color values

HEX	#0A3E49
RGB	rgb(10, 62, 73)
HSL	hsl(190, 76%, 16%)
HSV	hsv(190, 86%, 29%)
CMYK	cmyk(86.3%, 15.1%, 0%, 71.4%)
CIE-LAB	lab(23.64, -11.97, -11.44)
CIE-LCH	lch(23.64, 16.56, 223.68°)
OKLab	oklab(33.7% -0.0443 -0.0319)
OKLCH	oklch(33.7% 0.055 215.8)
XYZ	xyz(3.0499, 3.9904, 6.9115)
Luminance	0.0399 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A3E49 #49150A

analogous

#0A4935 #0A3E49 #0A1F49

triadic

#0A3E49 #490A3E #3E490A

tetradic

#0A3E49 #350A49 #49150A #1F490A

square

#0A3E49 #350A49 #49150A #1F490A

split-complementary

#0A3E49 #490A1F #49350A

monochromatic

#04171B #04171B #0A3E49 #116C7F #1999B5

Accessibility & contrast

On white

11.68

#0A3E49 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#0A3E49 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A3E49

11.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A3E49	#FFFFFF	#000000	##FFFFFF
##0A3E49	1.00	11.68	1.80	11.68
#FFFFFF	11.68	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#363C4A

Deuteranopia (green-blind)

#2E3649

Tritanopia (blue-blind)

#004241

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #0a3e49;
/* rgb */ color: rgb(10, 62, 73);
/* oklch */ color: oklch(33.7% 0.055 215.8);

Tailwind

colors: {
  custom: {
    50: '#56737b',
    500: '#0a3e49',
    950: '#000000',
  },
}

SCSS

$custom: #0a3e49;
$custom-light: #56737b;
$custom-dark: #000000;

JSON

{
  "hex": "#0a3e49",
  "rgb": {
    "r": 10,
    "g": 62,
    "b": 73
  },
  "hsl": {
    "h": 190.476,
    "s": 75.904,
    "l": 16.275
  },
  "oklch": {
    "l": 0.33695,
    "c": 0.05462,
    "h": 215.8
  },
  "luminance": 0.03991
}

Semantic roles & 50–950 ramp

primary

#0A3E49

secondary

#863929

accent

#5635F2

background

#F5F7F7

surface

#E9EDEE

border

#C5C8C9

text

#030809

muted

#787B7B

Preview Lab

Preview with #0A3E49

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

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