#309FB0#309FB0

#309FB0 is a light, moderate teal. Relative luminance 0.286; OKLCH L 64.9% C 0.099 H 209.9°. Best body text is #000000 at 6.71:1 contrast (WCAG AA passes).

Color values

HEX	#309FB0
RGB	rgb(48, 159, 176)
HSL	hsl(188, 57%, 44%)
HSV	hsv(188, 73%, 69%)
CMYK	cmyk(72.7%, 9.7%, 0%, 31%)
CIE-LAB	lab(60.39, -24.84, -17.76)
CIE-LCH	lch(60.39, 30.54, 215.56°)
OKLab	oklab(64.88% -0.0859 -0.0494)
OKLCH	oklch(64.88% 0.099 209.9)
XYZ	xyz(21.4502, 28.5567, 45.4474)
Luminance	0.2856 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#309FB0 #B04130

analogous

#30B081 #309FB0 #305FB0

triadic

#309FB0 #B0309F #9FB030

tetradic

#309FB0 #8130B0 #B04130 #5FB030

square

#309FB0 #8130B0 #B04130 #5FB030

split-complementary

#309FB0 #B0305F #B08130

monochromatic

#164850 #237480 #309FB0 #4EBECF #7ED0DC

Accessibility & contrast

On white

3.13

#309FB0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.71

#309FB0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #309FB0

6.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##309FB0	#FFFFFF	#000000	##000000
##309FB0	1.00	3.13	6.71	6.71
#FFFFFF	3.13	1.00	21.00	21.00
#000000	6.71	21.00	1.00	1.00
##000000	6.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9099B1

Deuteranopia (green-blind)

#7E8CB0

Tritanopia (blue-blind)

#00A7A4

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #309fb0;
/* rgb */ color: rgb(48, 159, 176);
/* oklch */ color: oklch(64.9% 0.099 209.9);

Tailwind

colors: {
  custom: {
    50: '#7bbbc7',
    500: '#309fb0',
    950: '#000000',
  },
}

SCSS

$custom: #309fb0;
$custom-light: #7bbbc7;
$custom-dark: #000000;

JSON

{
  "hex": "#309fb0",
  "rgb": {
    "r": 48,
    "g": 159,
    "b": 176
  },
  "hsl": {
    "h": 187.969,
    "s": 57.143,
    "l": 43.922
  },
  "oklch": {
    "l": 0.64884,
    "c": 0.09915,
    "h": 209.9
  },
  "luminance": 0.28559
}

Semantic roles & 50–950 ramp

primary

#309FB0

secondary

#C58177

accent

#5C47E0

background

#F8FBFC

surface

#EFF6F8

border

#CAD0D1

text

#0B1213

muted

#7C8182

Preview Lab

Preview with #309FB0

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

Preview Lab → · Contrast checker → · Palette generator →