#309399#309399

#309399 is a mid, moderate teal. Relative luminance 0.238; OKLCH L 61.0% C 0.089 H 200.9°. Best body text is #000000 at 5.76:1 contrast (WCAG AA passes).

Color values

HEX	#309399
RGB	rgb(48, 147, 153)
HSL	hsl(183, 52%, 39%)
HSV	hsv(183, 69%, 60%)
CMYK	cmyk(68.6%, 3.9%, 0%, 40%)
CIE-LAB	lab(55.88, -25.93, -11.50)
CIE-LCH	lch(55.88, 28.36, 203.91°)
OKLab	oklab(60.98% -0.0834 -0.0319)
OKLCH	oklch(60.98% 0.089 200.9)
XYZ	xyz(17.3999, 23.7937, 33.8064)
Luminance	0.2380 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#309399 #993630

analogous

#30996B #309399 #305E99

triadic

#309399 #993093 #939930

tetradic

#309399 #6B3099 #993630 #5E9930

square

#309399 #6B3099 #993630 #5E9930

split-complementary

#309399 #99305E #996B30

monochromatic

#13393C #21666A #309399 #42BCC4 #71CDD2

Accessibility & contrast

On white

3.65

#309399 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.76

#309399 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #309399

5.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##309399	#FFFFFF	#000000	##000000
##309399	1.00	3.65	5.76	5.76
#FFFFFF	3.65	1.00	21.00	21.00
#000000	5.76	21.00	1.00	1.00
##000000	5.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#888D9A

Deuteranopia (green-blind)

#788199

Tritanopia (blue-blind)

#009995

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #309399;
/* rgb */ color: rgb(48, 147, 153);
/* oklch */ color: oklch(61.0% 0.089 200.9);

Tailwind

colors: {
  custom: {
    50: '#77b3b7',
    500: '#309399',
    950: '#000000',
  },
}

SCSS

$custom: #309399;
$custom-light: #77b3b7;
$custom-dark: #000000;

JSON

{
  "hex": "#309399",
  "rgb": {
    "r": 48,
    "g": 147,
    "b": 153
  },
  "hsl": {
    "h": 183.429,
    "s": 52.239,
    "l": 39.412
  },
  "oklch": {
    "l": 0.60981,
    "c": 0.08932,
    "h": 200.9
  },
  "luminance": 0.23796
}

Semantic roles & 50–950 ramp

primary

#309399

secondary

#BA6F6B

accent

#544CDC

background

#F7FBFB

surface

#EEF6F6

border

#C9D0D0

text

#0A1111

muted

#7C8080

Preview Lab

Preview with #309399

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

Preview Lab → · Contrast checker → · Palette generator →