#309DA4#309DA4

#309DA4 is a light, moderate teal. Relative luminance 0.274; OKLCH L 63.9% C 0.096 H 201.3°. Best body text is #000000 at 6.48:1 contrast (WCAG AA passes).

Color values

HEX	#309DA4
RGB	rgb(48, 157, 164)
HSL	hsl(184, 55%, 42%)
HSV	hsv(184, 71%, 64%)
CMYK	cmyk(70.7%, 4.3%, 0%, 35.7%)
CIE-LAB	lab(59.36, -27.57, -12.53)
CIE-LCH	lch(59.36, 30.28, 204.45°)
OKLab	oklab(63.92% -0.089 -0.0348)
OKLCH	oklch(63.92% 0.096 201.3)
XYZ	xyz(19.9738, 27.4203, 39.3547)
Luminance	0.2742 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#309DA4 #A43730

analogous

#30A471 #309DA4 #3063A4

triadic

#309DA4 #A4309D #9DA430

tetradic

#309DA4 #7130A4 #A43730 #63A430

square

#309DA4 #7130A4 #A43730 #63A430

split-complementary

#309DA4 #A43063 #A47130

monochromatic

#144245 #227075 #309DA4 #48C2C9 #77D1D7

Accessibility & contrast

On white

3.24

#309DA4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.48

#309DA4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #309DA4

6.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##309DA4	#FFFFFF	#000000	##000000
##309DA4	1.00	3.24	6.48	6.48
#FFFFFF	3.24	1.00	21.00	21.00
#000000	6.48	21.00	1.00	1.00
##000000	6.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9196A5

Deuteranopia (green-blind)

#808AA5

Tritanopia (blue-blind)

#00A39F

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #309da4;
/* rgb */ color: rgb(48, 157, 164);
/* oklch */ color: oklch(63.9% 0.096 201.3);

Tailwind

colors: {
  custom: {
    50: '#7ababf',
    500: '#309da4',
    950: '#000000',
  },
}

SCSS

$custom: #309da4;
$custom-light: #7ababf;
$custom-dark: #000000;

JSON

{
  "hex": "#309da4",
  "rgb": {
    "r": 48,
    "g": 157,
    "b": 164
  },
  "hsl": {
    "h": 183.621,
    "s": 54.717,
    "l": 41.569
  },
  "oklch": {
    "l": 0.63918,
    "c": 0.0956,
    "h": 201.3
  },
  "luminance": 0.27423
}

Semantic roles & 50–950 ramp

primary

#309DA4

secondary

#BF7570

accent

#534ADE

background

#F8FBFB

surface

#EFF6F6

border

#CAD0D0

text

#0A1112

muted

#7C8081

Preview Lab

Preview with #309DA4

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

Preview Lab → · Contrast checker → · Palette generator →