#0A3F45#0A3F45

#0A3F45 is a dark, muted teal. Relative luminance 0.040; OKLCH L 33.8% C 0.053 H 206.5°. Best body text is #FFFFFF at 11.60:1 contrast (WCAG AA passes).

Color values

HEX	#0A3F45
RGB	rgb(10, 63, 69)
HSL	hsl(186, 75%, 15%)
HSV	hsv(186, 86%, 27%)
CMYK	cmyk(85.5%, 8.7%, 0%, 72.9%)
CIE-LAB	lab(23.83, -14.09, -8.49)
CIE-LCH	lch(23.83, 16.45, 211.06°)
OKLab	oklab(33.79% -0.0474 -0.0236)
OKLCH	oklch(33.79% 0.053 206.5)
XYZ	xyz(2.9764, 4.0489, 6.2537)
Luminance	0.0405 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A3F45 #45100A

analogous

#0A452D #0A3F45 #0A2145

triadic

#0A3F45 #450A3F #3F450A

tetradic

#0A3F45 #2D0A45 #45100A #21450A

square

#0A3F45 #2D0A45 #45100A #21450A

split-complementary

#0A3F45 #450A21 #452D0A

monochromatic

#04181B #04181B #0A3F45 #12707A #19A1B0

Accessibility & contrast

On white

11.60

#0A3F45 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#0A3F45 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A3F45

11.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A3F45	#FFFFFF	#000000	##FFFFFF
##0A3F45	1.00	11.60	1.81	11.60
#FFFFFF	11.60	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#393C45

Deuteranopia (green-blind)

#313645

Tritanopia (blue-blind)

#004241

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #0a3f45;
/* rgb */ color: rgb(10, 63, 69);
/* oklch */ color: oklch(33.8% 0.053 206.5);

Tailwind

colors: {
  custom: {
    50: '#557478',
    500: '#0a3f45',
    950: '#000000',
  },
}

SCSS

$custom: #0a3f45;
$custom-light: #557478;
$custom-dark: #000000;

JSON

{
  "hex": "#0a3f45",
  "rgb": {
    "r": 10,
    "g": 63,
    "b": 69
  },
  "hsl": {
    "h": 186.102,
    "s": 74.684,
    "l": 15.49
  },
  "oklch": {
    "l": 0.33794,
    "c": 0.05299,
    "h": 206.5
  },
  "luminance": 0.04049
}

Semantic roles & 50–950 ramp

primary

#0A3F45

secondary

#823229

accent

#4936F1

background

#F5F7F7

surface

#E9EDED

border

#C5C8C8

text

#030809

muted

#787B7B

Preview Lab

Preview with #0A3F45

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

Preview Lab → · Contrast checker → · Palette generator →