#309B8A#309B8A

#309B8A is a light, moderate teal. Relative luminance 0.259; OKLCH L 62.5% C 0.099 H 180.1°. Best body text is #000000 at 6.18:1 contrast (WCAG AA passes).

Color values

HEX	#309B8A
RGB	rgb(48, 155, 138)
HSL	hsl(170, 53%, 40%)
HSV	hsv(170, 69%, 61%)
CMYK	cmyk(69%, 0%, 11%, 39.2%)
CIE-LAB	lab(57.95, -34.15, 0.13)
CIE-LCH	lch(57.95, 34.15, 179.77°)
OKLab	oklab(62.51% -0.0989 -0.0002)
OKLCH	oklch(62.51% 0.099 180.1)
XYZ	xyz(17.5255, 25.9041, 28.1162)
Luminance	0.2591 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#309B8A #9B3041

analogous

#309B54 #309B8A #30779B

triadic

#309B8A #8A309B #9B8A30

tetradic

#309B8A #54309B #9B3041 #779B30

square

#309B8A #54309B #9B3041 #779B30

split-complementary

#309B8A #9B3077 #9B5430

monochromatic

#133E37 #226C60 #309B8A #43C5B0 #72D3C4

Accessibility & contrast

On white

3.40

#309B8A on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.18

#309B8A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #309B8A

6.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##309B8A	#FFFFFF	#000000	##000000
##309B8A	1.00	3.40	6.18	6.18
#FFFFFF	3.40	1.00	21.00	21.00
#000000	6.18	21.00	1.00	1.00
##000000	6.18	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#949289

Deuteranopia (green-blind)

#85878B

Tritanopia (blue-blind)

#009E96

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #309b8a;
/* rgb */ color: rgb(48, 155, 138);
/* oklch */ color: oklch(62.5% 0.099 180.1);

Tailwind

colors: {
  custom: {
    50: '#77b9ac',
    500: '#309b8a',
    950: '#000000',
  },
}

SCSS

$custom: #309b8a;
$custom-light: #77b9ac;
$custom-dark: #000000;

JSON

{
  "hex": "#309b8a",
  "rgb": {
    "r": 48,
    "g": 155,
    "b": 138
  },
  "hsl": {
    "h": 170.467,
    "s": 52.709,
    "l": 39.804
  },
  "oklch": {
    "l": 0.62507,
    "c": 0.09888,
    "h": 180.1
  },
  "luminance": 0.25906
}

Semantic roles & 50–950 ramp

primary

#309B8A

secondary

#BB6C78

accent

#4C63DC

background

#F7FBFA

surface

#EEF6F4

border

#C9D0CE

text

#0A1110

muted

#7C807F

Preview Lab

Preview with #309B8A

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

Preview Lab → · Contrast checker → · Palette generator →