#309C99#309C99

#309C99 is a light, moderate teal. Relative luminance 0.267; OKLCH L 63.3% C 0.095 H 192.3°. Best body text is #000000 at 6.34:1 contrast (WCAG AA passes).

Color values

HEX	#309C99
RGB	rgb(48, 156, 153)
HSL	hsl(178, 53%, 40%)
HSV	hsv(178, 69%, 61%)
CMYK	cmyk(69.2%, 0%, 1.9%, 38.8%)
CIE-LAB	lab(58.70, -30.37, -7.28)
CIE-LCH	lch(58.70, 31.23, 193.48°)
OKLab	oklab(63.26% -0.0929 -0.0203)
OKLCH	oklch(63.26% 0.095 192.3)
XYZ	xyz(18.8545, 26.7030, 34.2913)
Luminance	0.2671 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#309C99 #9C3033

analogous

#309C63 #309C99 #30699C

triadic

#309C99 #99309C #9C9930

tetradic

#309C99 #63309C #9C3033 #699C30

square

#309C99 #63309C #9C3033 #699C30

split-complementary

#309C99 #9C3069 #9C6330

monochromatic

#133E3D #226D6B #309C99 #44C5C2 #73D4D1

Accessibility & contrast

On white

3.31

#309C99 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.34

#309C99 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #309C99

6.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##309C99	#FFFFFF	#000000	##000000
##309C99	1.00	3.31	6.34	6.34
#FFFFFF	3.31	1.00	21.00	21.00
#000000	6.34	21.00	1.00	1.00
##000000	6.34	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#929499

Deuteranopia (green-blind)

#82889A

Tritanopia (blue-blind)

#00A19B

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #309c99;
/* rgb */ color: rgb(48, 156, 153);
/* oklch */ color: oklch(63.3% 0.095 192.3);

Tailwind

colors: {
  custom: {
    50: '#79b9b7',
    500: '#309c99',
    950: '#000000',
  },
}

SCSS

$custom: #309c99;
$custom-light: #79b9b7;
$custom-dark: #000000;

JSON

{
  "hex": "#309c99",
  "rgb": {
    "r": 48,
    "g": 156,
    "b": 153
  },
  "hsl": {
    "h": 178.333,
    "s": 52.941,
    "l": 40
  },
  "oklch": {
    "l": 0.63264,
    "c": 0.09512,
    "h": 192.3
  },
  "luminance": 0.26705
}

Semantic roles & 50–950 ramp

primary

#309C99

secondary

#BC6C6E

accent

#4B4FDC

background

#F7FBFB

surface

#EEF6F6

border

#C9D0D0

text

#0A1111

muted

#7C8080

Preview Lab

Preview with #309C99

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

Preview Lab → · Contrast checker → · Palette generator →