#309B82#309B82

#309B82 is a light, moderate teal. Relative luminance 0.257; OKLCH L 62.3% C 0.103 H 173.9°. Best body text is #000000 at 6.14:1 contrast (WCAG AA passes).

Color values

HEX	#309B82
RGB	rgb(48, 155, 130)
HSL	hsl(166, 53%, 40%)
HSV	hsv(166, 69%, 61%)
CMYK	cmyk(69%, 0%, 16.1%, 39.2%)
CIE-LAB	lab(57.73, -36.28, 4.37)
CIE-LCH	lch(57.73, 36.54, 173.13°)
OKLab	oklab(62.26% -0.1027 0.011)
OKLCH	oklch(62.26% 0.103 173.9)
XYZ	xyz(16.9675, 25.6809, 25.1774)
Luminance	0.2568 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#309B82 #9B3049

analogous

#309B4C #309B82 #307F9B

triadic

#309B82 #82309B #9B8230

tetradic

#309B82 #4C309B #9B3049 #7F9B30

square

#309B82 #4C309B #9B3049 #7F9B30

split-complementary

#309B82 #9B307F #9B4C30

monochromatic

#133E34 #226C5B #309B82 #43C5A7 #72D3BD

Accessibility & contrast

On white

3.42

#309B82 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.14

#309B82 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #309B82

6.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##309B82	#FFFFFF	#000000	##000000
##309B82	1.00	3.42	6.14	6.14
#FFFFFF	3.42	1.00	21.00	21.00
#000000	6.14	21.00	1.00	1.00
##000000	6.14	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#969181

Deuteranopia (green-blind)

#878684

Tritanopia (blue-blind)

#009D94

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #309b82;
/* rgb */ color: rgb(48, 155, 130);
/* oklch */ color: oklch(62.3% 0.103 173.9);

Tailwind

colors: {
  custom: {
    50: '#77b9a6',
    500: '#309b82',
    950: '#000000',
  },
}

SCSS

$custom: #309b82;
$custom-light: #77b9a6;
$custom-dark: #000000;

JSON

{
  "hex": "#309b82",
  "rgb": {
    "r": 48,
    "g": 155,
    "b": 130
  },
  "hsl": {
    "h": 165.981,
    "s": 52.709,
    "l": 39.804
  },
  "oklch": {
    "l": 0.62262,
    "c": 0.10332,
    "h": 173.9
  },
  "luminance": 0.25683
}

Semantic roles & 50–950 ramp

primary

#309B82

secondary

#BB6C7E

accent

#4C6DDC

background

#F7FBFA

surface

#EEF6F4

border

#C9D0CE

text

#0A110F

muted

#7C807F

Preview Lab

Preview with #309B82

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

Preview Lab → · Contrast checker → · Palette generator →