#309BB0#309BB0

#309BB0 is a light, moderate teal. Relative luminance 0.272; OKLCH L 63.9% C 0.098 H 213.7°. Best body text is #000000 at 6.44:1 contrast (WCAG AA passes).

Color values

HEX	#309BB0
RGB	rgb(48, 155, 176)
HSL	hsl(190, 57%, 44%)
HSV	hsv(190, 73%, 69%)
CMYK	cmyk(72.7%, 11.9%, 0%, 31%)
CIE-LAB	lab(59.16, -22.79, -19.63)
CIE-LCH	lch(59.16, 30.08, 220.74°)
OKLab	oklab(63.9% -0.0819 -0.0547)
OKLCH	oklch(63.9% 0.098 213.7)
XYZ	xyz(20.7734, 27.2032, 45.2218)
Luminance	0.2721 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#309BB0 #B04530

analogous

#30B085 #309BB0 #305BB0

triadic

#309BB0 #B0309B #9BB030

tetradic

#309BB0 #8530B0 #B04530 #5BB030

square

#309BB0 #8530B0 #B04530 #5BB030

split-complementary

#309BB0 #B0305B #B08530

monochromatic

#164650 #237180 #309BB0 #4EBACF #7ECDDC

Accessibility & contrast

On white

3.26

#309BB0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.44

#309BB0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #309BB0

6.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##309BB0	#FFFFFF	#000000	##000000
##309BB0	1.00	3.26	6.44	6.44
#FFFFFF	3.26	1.00	21.00	21.00
#000000	6.44	21.00	1.00	1.00
##000000	6.44	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8C96B1

Deuteranopia (green-blind)

#7A89B0

Tritanopia (blue-blind)

#00A3A1

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #309bb0;
/* rgb */ color: rgb(48, 155, 176);
/* oklch */ color: oklch(63.9% 0.098 213.7);

Tailwind

colors: {
  custom: {
    50: '#7bb8c7',
    500: '#309bb0',
    950: '#000000',
  },
}

SCSS

$custom: #309bb0;
$custom-light: #7bb8c7;
$custom-dark: #000000;

JSON

{
  "hex": "#309bb0",
  "rgb": {
    "r": 48,
    "g": 155,
    "b": 176
  },
  "hsl": {
    "h": 189.844,
    "s": 57.143,
    "l": 43.922
  },
  "oklch": {
    "l": 0.63895,
    "c": 0.09848,
    "h": 213.7
  },
  "luminance": 0.27206
}

Semantic roles & 50–950 ramp

primary

#309BB0

secondary

#C58477

accent

#6147E0

background

#F8FBFC

surface

#EFF6F8

border

#CAD0D1

text

#0B1113

muted

#7C8082

Preview Lab

Preview with #309BB0

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

Preview Lab → · Contrast checker → · Palette generator →