#0A3E40#0A3E40

#0A3E40 is a dark, muted teal. Relative luminance 0.039; OKLCH L 33.3% C 0.052 H 198.9°. Best body text is #FFFFFF at 11.82:1 contrast (WCAG AA passes).

Color values

HEX	#0A3E40
RGB	rgb(10, 62, 64)
HSL	hsl(182, 73%, 15%)
HSV	hsv(182, 84%, 25%)
CMYK	cmyk(84.4%, 3.1%, 0%, 74.9%)
CIE-LAB	lab(23.27, -15.34, -6.01)
CIE-LCH	lch(23.27, 16.48, 201.39°)
OKLab	oklab(33.27% -0.0488 -0.0167)
OKLCH	oklch(33.27% 0.052 198.9)
XYZ	xyz(2.7728, 3.8796, 5.4522)
Luminance	0.0388 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A3E40 #400C0A

analogous

#0A4027 #0A3E40 #0A2340

triadic

#0A3E40 #400A3E #3E400A

tetradic

#0A3E40 #270A40 #400C0A #23400A

square

#0A3E40 #270A40 #400C0A #23400A

split-complementary

#0A3E40 #400A23 #40270A

monochromatic

#041A1A #041A1A #0A3E40 #127175 #1BA5AA

Accessibility & contrast

On white

11.82

#0A3E40 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#0A3E40 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A3E40

11.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A3E40	#FFFFFF	#000000	##FFFFFF
##0A3E40	1.00	11.82	1.78	11.82
#FFFFFF	11.82	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#393B40

Deuteranopia (green-blind)

#313540

Tritanopia (blue-blind)

#00413E

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #0a3e40;
/* rgb */ color: rgb(10, 62, 64);
/* oklch */ color: oklch(33.3% 0.052 198.9);

Tailwind

colors: {
  custom: {
    50: '#547374',
    500: '#0a3e40',
    950: '#000000',
  },
}

SCSS

$custom: #0a3e40;
$custom-light: #547374;
$custom-dark: #000000;

JSON

{
  "hex": "#0a3e40",
  "rgb": {
    "r": 10,
    "g": 62,
    "b": 64
  },
  "hsl": {
    "h": 182.222,
    "s": 72.973,
    "l": 14.51
  },
  "oklch": {
    "l": 0.33273,
    "c": 0.05161,
    "h": 198.9
  },
  "luminance": 0.0388
}

Semantic roles & 50–950 ramp

primary

#0A3E40

secondary

#7D2C29

accent

#3F38F0

background

#F5F7F7

surface

#E9EDED

border

#C5C8C8

text

#030808

muted

#787B7B

Preview Lab

Preview with #0A3E40

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

Preview Lab → · Contrast checker → · Palette generator →