#0A3F3A#0A3F3A

#0A3F3A is a dark, muted teal. Relative luminance 0.039; OKLCH L 33.3% C 0.054 H 185.5°. Best body text is #FFFFFF at 11.76:1 contrast (WCAG AA passes).

Color values

HEX	#0A3F3A
RGB	rgb(10, 63, 58)
HSL	hsl(174, 73%, 14%)
HSV	hsv(174, 84%, 25%)
CMYK	cmyk(84.1%, 0%, 7.9%, 75.3%)
CIE-LAB	lab(23.42, -18.00, -1.79)
CIE-LCH	lch(23.42, 18.09, 185.67°)
OKLab	oklab(33.32% -0.0533 -0.0051)
OKLCH	oklch(33.32% 0.054 185.5)
XYZ	xyz(2.6660, 3.9247, 4.6192)
Luminance	0.0393 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A3F3A #3F0A0F

analogous

#0A3F20 #0A3F3A #0A2A3F

triadic

#0A3F3A #3A0A3F #3F3A0A

tetradic

#0A3F3A #200A3F #3F0A0F #2A3F0A

square

#0A3F3A #200A3F #3F0A0F #2A3F0A

split-complementary

#0A3F3A #3F0A2A #3F200A

monochromatic

#041A18 #041A18 #0A3F3A #12746B #1BA99B

Accessibility & contrast

On white

11.76

#0A3F3A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#0A3F3A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A3F3A

11.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A3F3A	#FFFFFF	#000000	##FFFFFF
##0A3F3A	1.00	11.76	1.79	11.76
#FFFFFF	11.76	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B3B3A

Deuteranopia (green-blind)

#34363B

Tritanopia (blue-blind)

#00413D

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #0a3f3a;
/* rgb */ color: rgb(10, 63, 58);
/* oklch */ color: oklch(33.3% 0.054 185.5);

Tailwind

colors: {
  custom: {
    50: '#547470',
    500: '#0a3f3a',
    950: '#000000',
  },
}

SCSS

$custom: #0a3f3a;
$custom-light: #547470;
$custom-dark: #000000;

JSON

{
  "hex": "#0a3f3a",
  "rgb": {
    "r": 10,
    "g": 63,
    "b": 58
  },
  "hsl": {
    "h": 174.34,
    "s": 72.603,
    "l": 14.314
  },
  "oklch": {
    "l": 0.33324,
    "c": 0.05351,
    "h": 185.5
  },
  "luminance": 0.03925
}

Semantic roles & 50–950 ramp

primary

#0A3F3A

secondary

#7C2930

accent

#384AEF

background

#F5F7F6

surface

#E9EDEC

border

#C5C8C7

text

#030807

muted

#787B7A

Preview Lab

Preview with #0A3F3A

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

Preview Lab → · Contrast checker → · Palette generator →