#0A3A3D#0A3A3D

#0A3A3D is a dark, muted teal. Relative luminance 0.034; OKLCH L 31.9% C 0.049 H 201.3°. Best body text is #FFFFFF at 12.46:1 contrast (WCAG AA passes).

Color values

HEX	#0A3A3D
RGB	rgb(10, 58, 61)
HSL	hsl(184, 72%, 14%)
HSV	hsv(184, 84%, 24%)
CMYK	cmyk(83.6%, 4.9%, 0%, 76.1%)
CIE-LAB	lab(21.68, -14.11, -6.39)
CIE-LCH	lch(21.68, 15.49, 204.37°)
OKLab	oklab(31.95% -0.0456 -0.0177)
OKLCH	oklch(31.95% 0.049 201.3)
XYZ	xyz(2.4802, 3.4273, 4.9448)
Luminance	0.0343 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A3A3D #3D0D0A

analogous

#0A3D27 #0A3A3D #0A213D

triadic

#0A3A3D #3D0A3A #3A3D0A

tetradic

#0A3A3D #270A3D #3D0D0A #213D0A

square

#0A3A3D #270A3D #3D0D0A #213D0A

split-complementary

#0A3A3D #3D0A21 #3D270A

monochromatic

#04191A #04191A #0A3A3D #136C72 #1B9EA6

Accessibility & contrast

On white

12.46

#0A3A3D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#0A3A3D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A3A3D

12.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A3A3D	#FFFFFF	#000000	##FFFFFF
##0A3A3D	1.00	12.46	1.69	12.46
#FFFFFF	12.46	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#35373D

Deuteranopia (green-blind)

#2E323D

Tritanopia (blue-blind)

#003D3B

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #0a3a3d;
/* rgb */ color: rgb(10, 58, 61);
/* oklch */ color: oklch(31.9% 0.049 201.3);

Tailwind

colors: {
  custom: {
    50: '#537072',
    500: '#0a3a3d',
    950: '#000000',
  },
}

SCSS

$custom: #0a3a3d;
$custom-light: #537072;
$custom-dark: #000000;

JSON

{
  "hex": "#0a3a3d",
  "rgb": {
    "r": 10,
    "g": 58,
    "b": 61
  },
  "hsl": {
    "h": 183.529,
    "s": 71.831,
    "l": 13.922
  },
  "oklch": {
    "l": 0.31946,
    "c": 0.04893,
    "h": 201.3
  },
  "luminance": 0.03428
}

Semantic roles & 50–950 ramp

primary

#0A3A3D

secondary

#7A2D28

accent

#4439EF

background

#F5F6F6

surface

#E9ECEC

border

#C5C7C7

text

#030708

muted

#787A7B

Preview Lab

Preview with #0A3A3D

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

Preview Lab → · Contrast checker → · Palette generator →