#309CB0#309CB0

#309CB0 is a light, moderate teal. Relative luminance 0.275; OKLCH L 64.1% C 0.099 H 212.8°. Best body text is #000000 at 6.51:1 contrast (WCAG AA passes).

Color values

HEX	#309CB0
RGB	rgb(48, 156, 176)
HSL	hsl(189, 57%, 44%)
HSV	hsv(189, 73%, 69%)
CMYK	cmyk(72.7%, 11.4%, 0%, 31%)
CIE-LAB	lab(59.47, -23.31, -19.16)
CIE-LCH	lch(59.47, 30.18, 219.42°)
OKLab	oklab(64.14% -0.0829 -0.0534)
OKLCH	oklch(64.14% 0.099 212.8)
XYZ	xyz(20.9405, 27.5374, 45.2775)
Luminance	0.2754 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#309CB0 #B04430

analogous

#30B084 #309CB0 #305CB0

triadic

#309CB0 #B0309C #9CB030

tetradic

#309CB0 #8430B0 #B04430 #5CB030

square

#309CB0 #8430B0 #B04430 #5CB030

split-complementary

#309CB0 #B0305C #B08430

monochromatic

#164750 #237180 #309CB0 #4EBBCF #7ECDDC

Accessibility & contrast

On white

3.23

#309CB0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.51

#309CB0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #309CB0

6.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##309CB0	#FFFFFF	#000000	##000000
##309CB0	1.00	3.23	6.51	6.51
#FFFFFF	3.23	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)

#8D97B1

Deuteranopia (green-blind)

#7B8AB0

Tritanopia (blue-blind)

#00A4A2

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #309cb0;
/* rgb */ color: rgb(48, 156, 176);
/* oklch */ color: oklch(64.1% 0.099 212.8);

Tailwind

colors: {
  custom: {
    50: '#7bb9c7',
    500: '#309cb0',
    950: '#000000',
  },
}

SCSS

$custom: #309cb0;
$custom-light: #7bb9c7;
$custom-dark: #000000;

JSON

{
  "hex": "#309cb0",
  "rgb": {
    "r": 48,
    "g": 156,
    "b": 176
  },
  "hsl": {
    "h": 189.375,
    "s": 57.143,
    "l": 43.922
  },
  "oklch": {
    "l": 0.64142,
    "c": 0.0986,
    "h": 212.8
  },
  "luminance": 0.2754
}

Semantic roles & 50–950 ramp

primary

#309CB0

secondary

#C58377

accent

#5F47E0

background

#F8FBFC

surface

#EFF6F8

border

#CAD0D1

text

#0B1113

muted

#7C8082

Preview Lab

Preview with #309CB0

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

Preview Lab → · Contrast checker → · Palette generator →