#309BAC#309BAC

#309BAC is a light, moderate teal. Relative luminance 0.271; OKLCH L 63.7% C 0.097 H 210.3°. Best body text is #000000 at 6.41:1 contrast (WCAG AA passes).

Color values

HEX	#309BAC
RGB	rgb(48, 155, 172)
HSL	hsl(188, 56%, 43%)
HSV	hsv(188, 72%, 67%)
CMYK	cmyk(72.1%, 9.9%, 0%, 32.5%)
CIE-LAB	lab(59.02, -24.07, -17.58)
CIE-LCH	lch(59.02, 29.81, 216.15°)
OKLab	oklab(63.73% -0.0836 -0.0489)
OKLCH	oklch(63.73% 0.097 210.3)
XYZ	xyz(20.3835, 27.0472, 43.1681)
Luminance	0.2705 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#309BAC #AC4130

analogous

#30AC7F #309BAC #305DAC

triadic

#309BAC #AC309B #9BAC30

tetradic

#309BAC #7F30AC #AC4130 #5DAC30

square

#309BAC #7F30AC #AC4130 #5DAC30

split-complementary

#309BAC #AC305D #AC7F30

monochromatic

#15454C #23707C #309BAC #4CBBCD #7CCDDA

Accessibility & contrast

On white

3.28

#309BAC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.41

#309BAC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #309BAC

6.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##309BAC	#FFFFFF	#000000	##000000
##309BAC	1.00	3.28	6.41	6.41
#FFFFFF	3.28	1.00	21.00	21.00
#000000	6.41	21.00	1.00	1.00
##000000	6.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8D95AD

Deuteranopia (green-blind)

#7B89AC

Tritanopia (blue-blind)

#00A2A0

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #309bac;
/* rgb */ color: rgb(48, 155, 172);
/* oklch */ color: oklch(63.7% 0.097 210.3);

Tailwind

colors: {
  custom: {
    50: '#7ab8c4',
    500: '#309bac',
    950: '#000000',
  },
}

SCSS

$custom: #309bac;
$custom-light: #7ab8c4;
$custom-dark: #000000;

JSON

{
  "hex": "#309bac",
  "rgb": {
    "r": 48,
    "g": 155,
    "b": 172
  },
  "hsl": {
    "h": 188.226,
    "s": 56.364,
    "l": 43.137
  },
  "oklch": {
    "l": 0.63732,
    "c": 0.09683,
    "h": 210.3
  },
  "luminance": 0.2705
}

Semantic roles & 50–950 ramp

primary

#309BAC

secondary

#C38075

accent

#5D48E0

background

#F8FBFC

surface

#EFF6F8

border

#CAD0D1

text

#0B1112

muted

#7C8081

Preview Lab

Preview with #309BAC

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

Preview Lab → · Contrast checker → · Palette generator →