#309CA8#309CA8

#309CA8 is a light, moderate teal. Relative luminance 0.272; OKLCH L 63.8% C 0.096 H 205.9°. Best body text is #000000 at 6.45:1 contrast (WCAG AA passes).

Color values

HEX	#309CA8
RGB	rgb(48, 156, 168)
HSL	hsl(186, 56%, 42%)
HSV	hsv(186, 71%, 66%)
CMYK	cmyk(71.4%, 7.1%, 0%, 34.1%)
CIE-LAB	lab(59.19, -25.83, -15.06)
CIE-LCH	lch(59.19, 29.90, 210.24°)
OKLab	oklab(63.82% -0.0863 -0.0418)
OKLCH	oklch(63.82% 0.096 205.9)
XYZ	xyz(20.1722, 27.2301, 41.2310)
Luminance	0.2723 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#309CA8 #A83C30

analogous

#30A878 #309CA8 #3060A8

triadic

#309CA8 #A8309C #9CA830

tetradic

#309CA8 #7830A8 #A83C30 #60A830

square

#309CA8 #7830A8 #A83C30 #60A830

split-complementary

#309CA8 #A83060 #A87830

monochromatic

#154449 #227078 #309CA8 #4ABECB #7ACFD9

Accessibility & contrast

On white

3.26

#309CA8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.45

#309CA8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #309CA8

6.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##309CA8	#FFFFFF	#000000	##000000
##309CA8	1.00	3.26	6.45	6.45
#FFFFFF	3.26	1.00	21.00	21.00
#000000	6.45	21.00	1.00	1.00
##000000	6.45	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8F96A9

Deuteranopia (green-blind)

#7E89A8

Tritanopia (blue-blind)

#00A39F

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #309ca8;
/* rgb */ color: rgb(48, 156, 168);
/* oklch */ color: oklch(63.8% 0.096 205.9);

Tailwind

colors: {
  custom: {
    50: '#7ab9c1',
    500: '#309ca8',
    950: '#000000',
  },
}

SCSS

$custom: #309ca8;
$custom-light: #7ab9c1;
$custom-dark: #000000;

JSON

{
  "hex": "#309ca8",
  "rgb": {
    "r": 48,
    "g": 156,
    "b": 168
  },
  "hsl": {
    "h": 186,
    "s": 55.556,
    "l": 42.353
  },
  "oklch": {
    "l": 0.63821,
    "c": 0.09589,
    "h": 205.9
  },
  "luminance": 0.27232
}

Semantic roles & 50–950 ramp

primary

#309CA8

secondary

#C17A73

accent

#5849DF

background

#F8FBFB

surface

#EFF6F7

border

#CAD0D0

text

#0A1112

muted

#7C8081

Preview Lab

Preview with #309CA8

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

Preview Lab → · Contrast checker → · Palette generator →