#309DA8#309DA8

#309DA8 is a light, moderate teal. Relative luminance 0.276; OKLCH L 64.1% C 0.096 H 204.9°. Best body text is #000000 at 6.51:1 contrast (WCAG AA passes).

Color values

HEX	#309DA8
RGB	rgb(48, 157, 168)
HSL	hsl(186, 56%, 42%)
HSV	hsv(186, 71%, 66%)
CMYK	cmyk(71.4%, 6.5%, 0%, 34.1%)
CIE-LAB	lab(59.50, -26.34, -14.60)
CIE-LCH	lch(59.50, 30.11, 208.99°)
OKLab	oklab(64.07% -0.0873 -0.0405)
OKLCH	oklch(64.07% 0.096 204.9)
XYZ	xyz(20.3407, 27.5671, 41.2872)
Luminance	0.2757 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#309DA8 #A83B30

analogous

#30A877 #309DA8 #3061A8

triadic

#309DA8 #A8309D #9DA830

tetradic

#309DA8 #7730A8 #A83B30 #61A830

square

#309DA8 #7730A8 #A83B30 #61A830

split-complementary

#309DA8 #A83061 #A87730

monochromatic

#154449 #227178 #309DA8 #4ABFCB #7AD0D9

Accessibility & contrast

On white

3.22

#309DA8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.51

#309DA8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #309DA8

6.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##309DA8	#FFFFFF	#000000	##000000
##309DA8	1.00	3.22	6.51	6.51
#FFFFFF	3.22	1.00	21.00	21.00
#000000	6.51	21.00	1.00	1.00
##000000	6.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9097A9

Deuteranopia (green-blind)

#7F8AA8

Tritanopia (blue-blind)

#00A4A0

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #309da8;
/* rgb */ color: rgb(48, 157, 168);
/* oklch */ color: oklch(64.1% 0.096 204.9);

Tailwind

colors: {
  custom: {
    50: '#7abac1',
    500: '#309da8',
    950: '#000000',
  },
}

SCSS

$custom: #309da8;
$custom-light: #7abac1;
$custom-dark: #000000;

JSON

{
  "hex": "#309da8",
  "rgb": {
    "r": 48,
    "g": 157,
    "b": 168
  },
  "hsl": {
    "h": 185.5,
    "s": 55.556,
    "l": 42.353
  },
  "oklch": {
    "l": 0.64071,
    "c": 0.09626,
    "h": 204.9
  },
  "luminance": 0.27569
}

Semantic roles & 50–950 ramp

primary

#309DA8

secondary

#C17A73

accent

#5749DF

background

#F8FBFB

surface

#EFF6F7

border

#CAD0D0

text

#0B1112

muted

#7C8081

Preview Lab

Preview with #309DA8

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

Preview Lab → · Contrast checker → · Palette generator →