#309C8B#309C8B

#309C8B is a light, moderate teal. Relative luminance 0.263; OKLCH L 62.8% C 0.099 H 180.2°. Best body text is #000000 at 6.25:1 contrast (WCAG AA passes).

Color values

HEX	#309C8B
RGB	rgb(48, 156, 139)
HSL	hsl(171, 53%, 40%)
HSV	hsv(171, 69%, 61%)
CMYK	cmyk(69.2%, 0%, 10.9%, 38.8%)
CIE-LAB	lab(58.29, -34.34, 0.07)
CIE-LCH	lch(58.29, 34.34, 179.89°)
OKLab	oklab(62.8% -0.0995 -0.0004)
OKLCH	oklch(62.8% 0.099 180.2)
XYZ	xyz(17.7653, 26.2674, 28.5549)
Luminance	0.2627 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#309C8B #9C3041

analogous

#309C55 #309C8B #30779C

triadic

#309C8B #8B309C #9C8B30

tetradic

#309C8B #55309C #9C3041 #779C30

square

#309C8B #55309C #9C3041 #779C30

split-complementary

#309C8B #9C3077 #9C5530

monochromatic

#133E38 #226D61 #309C8B #44C5B1 #73D4C5

Accessibility & contrast

On white

3.36

#309C8B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.25

#309C8B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #309C8B

6.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##309C8B	#FFFFFF	#000000	##000000
##309C8B	1.00	3.36	6.25	6.25
#FFFFFF	3.36	1.00	21.00	21.00
#000000	6.25	21.00	1.00	1.00
##000000	6.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#95938A

Deuteranopia (green-blind)

#86878C

Tritanopia (blue-blind)

#009F97

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #309c8b;
/* rgb */ color: rgb(48, 156, 139);
/* oklch */ color: oklch(62.8% 0.099 180.2);

Tailwind

colors: {
  custom: {
    50: '#78baac',
    500: '#309c8b',
    950: '#000000',
  },
}

SCSS

$custom: #309c8b;
$custom-light: #78baac;
$custom-dark: #000000;

JSON

{
  "hex": "#309c8b",
  "rgb": {
    "r": 48,
    "g": 156,
    "b": 139
  },
  "hsl": {
    "h": 170.556,
    "s": 52.941,
    "l": 40
  },
  "oklch": {
    "l": 0.62796,
    "c": 0.09947,
    "h": 180.2
  },
  "luminance": 0.26269
}

Semantic roles & 50–950 ramp

primary

#309C8B

secondary

#BC6C79

accent

#4B62DC

background

#F7FBFA

surface

#EEF6F4

border

#C9D0CE

text

#0A1110

muted

#7C807F

Preview Lab

Preview with #309C8B

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

Preview Lab → · Contrast checker → · Palette generator →