#309DB2#309DB2

#309DB2 is a light, moderate teal. Relative luminance 0.280; OKLCH L 64.5% C 0.100 H 213.5°. Best body text is #000000 at 6.59:1 contrast (WCAG AA passes).

Color values

HEX	#309DB2
RGB	rgb(48, 157, 178)
HSL	hsl(190, 58%, 44%)
HSV	hsv(190, 73%, 70%)
CMYK	cmyk(73%, 11.8%, 0%, 30.2%)
CIE-LAB	lab(59.85, -23.18, -19.72)
CIE-LCH	lch(59.85, 30.43, 220.38°)
OKLab	oklab(64.47% -0.0831 -0.0549)
OKLCH	oklch(64.47% 0.1 213.5)
XYZ	xyz(21.3084, 27.9542, 46.3835)
Luminance	0.2796 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#309DB2 #B24530

analogous

#30B286 #309DB2 #305CB2

triadic

#309DB2 #B2309D #9DB230

tetradic

#309DB2 #8630B2 #B24530 #5CB230

square

#309DB2 #8630B2 #B24530 #5CB230

split-complementary

#309DB2 #B2305C #B28630

monochromatic

#164852 #237282 #309DB2 #50BBD0 #80CEDD

Accessibility & contrast

On white

3.19

#309DB2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.59

#309DB2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #309DB2

6.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##309DB2	#FFFFFF	#000000	##000000
##309DB2	1.00	3.19	6.59	6.59
#FFFFFF	3.19	1.00	21.00	21.00
#000000	6.59	21.00	1.00	1.00
##000000	6.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8D98B3

Deuteranopia (green-blind)

#7B8AB2

Tritanopia (blue-blind)

#00A5A3

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #309db2;
/* rgb */ color: rgb(48, 157, 178);
/* oklch */ color: oklch(64.5% 0.100 213.5);

Tailwind

colors: {
  custom: {
    50: '#7bbac9',
    500: '#309db2',
    950: '#000000',
  },
}

SCSS

$custom: #309db2;
$custom-light: #7bbac9;
$custom-dark: #000000;

JSON

{
  "hex": "#309db2",
  "rgb": {
    "r": 48,
    "g": 157,
    "b": 178
  },
  "hsl": {
    "h": 189.692,
    "s": 57.522,
    "l": 44.314
  },
  "oklch": {
    "l": 0.64471,
    "c": 0.09961,
    "h": 213.5
  },
  "luminance": 0.27957
}

Semantic roles & 50–950 ramp

primary

#309DB2

secondary

#C68578

accent

#6047E1

background

#F8FBFC

surface

#EFF6F8

border

#CAD0D1

text

#0B1113

muted

#7C8082

Preview Lab

Preview with #309DB2

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

Preview Lab → · Contrast checker → · Palette generator →