#309D99#309D99

#309D99 is a light, moderate teal. Relative luminance 0.270; OKLCH L 63.5% C 0.096 H 191.4°. Best body text is #000000 at 6.41:1 contrast (WCAG AA passes).

Color values

HEX	#309D99
RGB	rgb(48, 157, 153)
HSL	hsl(178, 53%, 40%)
HSV	hsv(178, 69%, 62%)
CMYK	cmyk(69.4%, 0%, 2.5%, 38.4%)
CIE-LAB	lab(59.01, -30.85, -6.82)
CIE-LCH	lch(59.01, 31.60, 192.46°)
OKLab	oklab(63.52% -0.094 -0.019)
OKLCH	oklch(63.52% 0.096 191.4)
XYZ	xyz(19.0230, 27.0400, 34.3475)
Luminance	0.2704 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#309D99 #9D3034

analogous

#309D62 #309D99 #306B9D

triadic

#309D99 #99309D #9D9930

tetradic

#309D99 #62309D #9D3034 #6B9D30

square

#309D99 #62309D #9D3034 #6B9D30

split-complementary

#309D99 #9D306B #9D6230

monochromatic

#133F3E #226E6B #309D99 #44C6C1 #73D4D1

Accessibility & contrast

On white

3.28

#309D99 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.41

#309D99 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #309D99

6.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##309D99	#FFFFFF	#000000	##000000
##309D99	1.00	3.28	6.41	6.41
#FFFFFF	3.28	1.00	21.00	21.00
#000000	6.41	21.00	1.00	1.00
##000000	6.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#949599

Deuteranopia (green-blind)

#83899A

Tritanopia (blue-blind)

#00A19B

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #309d99;
/* rgb */ color: rgb(48, 157, 153);
/* oklch */ color: oklch(63.5% 0.096 191.4);

Tailwind

colors: {
  custom: {
    50: '#79bab7',
    500: '#309d99',
    950: '#000000',
  },
}

SCSS

$custom: #309d99;
$custom-light: #79bab7;
$custom-dark: #000000;

JSON

{
  "hex": "#309d99",
  "rgb": {
    "r": 48,
    "g": 157,
    "b": 153
  },
  "hsl": {
    "h": 177.798,
    "s": 53.171,
    "l": 40.196
  },
  "oklch": {
    "l": 0.63518,
    "c": 0.09588,
    "h": 191.4
  },
  "luminance": 0.27042
}

Semantic roles & 50–950 ramp

primary

#309D99

secondary

#BC6D70

accent

#4B51DD

background

#F7FBFB

surface

#EEF6F6

border

#C9D0D0

text

#0A1211

muted

#7C8180

Preview Lab

Preview with #309D99

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

Preview Lab → · Contrast checker → · Palette generator →