#309DB0#309DB0

#309DB0 is a light, moderate teal. Relative luminance 0.279; OKLCH L 64.4% C 0.099 H 211.8°. Best body text is #000000 at 6.58:1 contrast (WCAG AA passes).

Color values

HEX	#309DB0
RGB	rgb(48, 157, 176)
HSL	hsl(189, 57%, 44%)
HSV	hsv(189, 73%, 69%)
CMYK	cmyk(72.7%, 10.8%, 0%, 31%)
CIE-LAB	lab(59.78, -23.82, -18.70)
CIE-LCH	lch(59.78, 30.28, 218.12°)
OKLab	oklab(64.39% -0.0839 -0.052)
OKLCH	oklch(64.39% 0.099 211.8)
XYZ	xyz(21.1090, 27.8744, 45.3337)
Luminance	0.2788 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#309DB0 #B04330

analogous

#30B083 #309DB0 #305DB0

triadic

#309DB0 #B0309D #9DB030

tetradic

#309DB0 #8330B0 #B04330 #5DB030

square

#309DB0 #8330B0 #B04330 #5DB030

split-complementary

#309DB0 #B0305D #B08330

monochromatic

#164750 #237280 #309DB0 #4EBCCF #7ECEDC

Accessibility & contrast

On white

3.19

#309DB0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.58

#309DB0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #309DB0

6.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##309DB0	#FFFFFF	#000000	##000000
##309DB0	1.00	3.19	6.58	6.58
#FFFFFF	3.19	1.00	21.00	21.00
#000000	6.58	21.00	1.00	1.00
##000000	6.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8E97B1

Deuteranopia (green-blind)

#7C8AB0

Tritanopia (blue-blind)

#00A5A3

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #309db0;
/* rgb */ color: rgb(48, 157, 176);
/* oklch */ color: oklch(64.4% 0.099 211.8);

Tailwind

colors: {
  custom: {
    50: '#7bbac7',
    500: '#309db0',
    950: '#000000',
  },
}

SCSS

$custom: #309db0;
$custom-light: #7bbac7;
$custom-dark: #000000;

JSON

{
  "hex": "#309db0",
  "rgb": {
    "r": 48,
    "g": 157,
    "b": 176
  },
  "hsl": {
    "h": 188.906,
    "s": 57.143,
    "l": 43.922
  },
  "oklch": {
    "l": 0.64389,
    "c": 0.09875,
    "h": 211.8
  },
  "luminance": 0.27877
}

Semantic roles & 50–950 ramp

primary

#309DB0

secondary

#C58377

accent

#5E47E0

background

#F8FBFC

surface

#EFF6F8

border

#CAD0D1

text

#0B1113

muted

#7C8082

Preview Lab

Preview with #309DB0

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

Preview Lab → · Contrast checker → · Palette generator →