#0A3F49#0A3F49

#0A3F49 is a dark, muted teal. Relative luminance 0.041; OKLCH L 34.0% C 0.055 H 213.7°. Best body text is #FFFFFF at 11.54:1 contrast (WCAG AA passes).

Color values

HEX	#0A3F49
RGB	rgb(10, 63, 73)
HSL	hsl(190, 76%, 16%)
HSV	hsv(190, 86%, 29%)
CMYK	cmyk(86.3%, 13.7%, 0%, 71.4%)
CIE-LAB	lab(24.00, -12.58, -10.89)
CIE-LCH	lch(24.00, 16.64, 220.87°)
OKLab	oklab(33.99% -0.0455 -0.0304)
OKLCH	oklch(33.99% 0.055 213.7)
XYZ	xyz(3.1048, 4.1002, 6.9298)
Luminance	0.0410 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A3F49 #49140A

analogous

#0A4934 #0A3F49 #0A2049

triadic

#0A3F49 #490A3F #3F490A

tetradic

#0A3F49 #340A49 #49140A #20490A

square

#0A3F49 #340A49 #49140A #20490A

split-complementary

#0A3F49 #490A20 #49340A

monochromatic

#04171B #04171B #0A3F49 #116D7F #199CB5

Accessibility & contrast

On white

11.54

#0A3F49 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#0A3F49 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A3F49

11.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A3F49	#FFFFFF	#000000	##FFFFFF
##0A3F49	1.00	11.54	1.82	11.54
#FFFFFF	11.54	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#383D4A

Deuteranopia (green-blind)

#2F3649

Tritanopia (blue-blind)

#004342

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #0a3f49;
/* rgb */ color: rgb(10, 63, 73);
/* oklch */ color: oklch(34.0% 0.055 213.7);

Tailwind

colors: {
  custom: {
    50: '#56747b',
    500: '#0a3f49',
    950: '#000000',
  },
}

SCSS

$custom: #0a3f49;
$custom-light: #56747b;
$custom-dark: #000000;

JSON

{
  "hex": "#0a3f49",
  "rgb": {
    "r": 10,
    "g": 63,
    "b": 73
  },
  "hsl": {
    "h": 189.524,
    "s": 75.904,
    "l": 16.275
  },
  "oklch": {
    "l": 0.33985,
    "c": 0.05468,
    "h": 213.7
  },
  "luminance": 0.04101
}

Semantic roles & 50–950 ramp

primary

#0A3F49

secondary

#863829

accent

#5335F2

background

#F5F7F7

surface

#E9EDEE

border

#C5C8C9

text

#030809

muted

#787B7B

Preview Lab

Preview with #0A3F49

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

Preview Lab → · Contrast checker → · Palette generator →