#309AA4#309AA4

#309AA4 is a light, moderate teal. Relative luminance 0.264; OKLCH L 63.2% C 0.094 H 204.2°. Best body text is #000000 at 6.28:1 contrast (WCAG AA passes).

Color values

HEX	#309AA4
RGB	rgb(48, 154, 164)
HSL	hsl(185, 55%, 42%)
HSV	hsv(185, 71%, 64%)
CMYK	cmyk(70.7%, 6.1%, 0%, 35.7%)
CIE-LAB	lab(58.43, -26.07, -13.93)
CIE-LCH	lch(58.43, 29.56, 208.12°)
OKLab	oklab(63.17% -0.0859 -0.0387)
OKLCH	oklch(63.17% 0.094 204.2)
XYZ	xyz(19.4724, 26.4177, 39.1876)
Luminance	0.2642 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#309AA4 #A43A30

analogous

#30A474 #309AA4 #3060A4

triadic

#309AA4 #A4309A #9AA430

tetradic

#309AA4 #7430A4 #A43A30 #60A430

square

#309AA4 #7430A4 #A43A30 #60A430

split-complementary

#309AA4 #A43060 #A47430

monochromatic

#144145 #226E75 #309AA4 #48BEC9 #77CFD7

Accessibility & contrast

On white

3.34

#309AA4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.28

#309AA4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #309AA4

6.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##309AA4	#FFFFFF	#000000	##000000
##309AA4	1.00	3.34	6.28	6.28
#FFFFFF	3.34	1.00	21.00	21.00
#000000	6.28	21.00	1.00	1.00
##000000	6.28	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8E94A5

Deuteranopia (green-blind)

#7D87A4

Tritanopia (blue-blind)

#00A09D

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #309aa4;
/* rgb */ color: rgb(48, 154, 164);
/* oklch */ color: oklch(63.2% 0.094 204.2);

Tailwind

colors: {
  custom: {
    50: '#79b8bf',
    500: '#309aa4',
    950: '#000000',
  },
}

SCSS

$custom: #309aa4;
$custom-light: #79b8bf;
$custom-dark: #000000;

JSON

{
  "hex": "#309aa4",
  "rgb": {
    "r": 48,
    "g": 154,
    "b": 164
  },
  "hsl": {
    "h": 185.172,
    "s": 54.717,
    "l": 41.569
  },
  "oklch": {
    "l": 0.63166,
    "c": 0.09424,
    "h": 204.2
  },
  "luminance": 0.2642
}

Semantic roles & 50–950 ramp

primary

#309AA4

secondary

#BF7770

accent

#574ADE

background

#F8FBFB

surface

#EFF6F6

border

#CAD0D0

text

#0A1112

muted

#7C8081

Preview Lab

Preview with #309AA4

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

Preview Lab → · Contrast checker → · Palette generator →