#309D8B#309D8B

#309D8B is a light, moderate teal. Relative luminance 0.266; OKLCH L 63.1% C 0.101 H 179.5°. Best body text is #000000 at 6.32:1 contrast (WCAG AA passes).

Color values

HEX	#309D8B
RGB	rgb(48, 157, 139)
HSL	hsl(170, 53%, 40%)
HSV	hsv(170, 69%, 62%)
CMYK	cmyk(69.4%, 0%, 11.5%, 38.4%)
CIE-LAB	lab(58.61, -34.80, 0.53)
CIE-LCH	lch(58.61, 34.80, 179.13°)
OKLab	oklab(63.05% -0.1005 0.0008)
OKLCH	oklch(63.05% 0.101 179.5)
XYZ	xyz(17.9338, 26.6044, 28.6111)
Luminance	0.2661 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#309D8B #9D3042

analogous

#309D55 #309D8B #30789D

triadic

#309D8B #8B309D #9D8B30

tetradic

#309D8B #55309D #9D3042 #789D30

square

#309D8B #55309D #9D3042 #789D30

split-complementary

#309D8B #9D3078 #9D5530

monochromatic

#133F38 #226E62 #309D8B #44C6B1 #73D4C4

Accessibility & contrast

On white

3.32

#309D8B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.32

#309D8B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #309D8B

6.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##309D8B	#FFFFFF	#000000	##000000
##309D8B	1.00	3.32	6.32	6.32
#FFFFFF	3.32	1.00	21.00	21.00
#000000	6.32	21.00	1.00	1.00
##000000	6.32	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#96948A

Deuteranopia (green-blind)

#87888C

Tritanopia (blue-blind)

#00A097

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #309d8b;
/* rgb */ color: rgb(48, 157, 139);
/* oklch */ color: oklch(63.1% 0.101 179.5);

Tailwind

colors: {
  custom: {
    50: '#78baac',
    500: '#309d8b',
    950: '#000000',
  },
}

SCSS

$custom: #309d8b;
$custom-light: #78baac;
$custom-dark: #000000;

JSON

{
  "hex": "#309d8b",
  "rgb": {
    "r": 48,
    "g": 157,
    "b": 139
  },
  "hsl": {
    "h": 170.092,
    "s": 53.171,
    "l": 40.196
  },
  "oklch": {
    "l": 0.63054,
    "c": 0.10053,
    "h": 179.5
  },
  "luminance": 0.26606
}

Semantic roles & 50–950 ramp

primary

#309D8B

secondary

#BC6D7A

accent

#4B63DD

background

#F7FBFA

surface

#EEF6F4

border

#C9D0CE

text

#0A1210

muted

#7C817F

Preview Lab

Preview with #309D8B

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

Preview Lab → · Contrast checker → · Palette generator →