#309AB0#309AB0

#309AB0 is a light, moderate cyan. Relative luminance 0.269; OKLCH L 63.6% C 0.098 H 214.7°. Best body text is #000000 at 6.37:1 contrast (WCAG AA passes).

Color values

HEX	#309AB0
RGB	rgb(48, 154, 176)
HSL	hsl(190, 57%, 44%)
HSV	hsv(190, 73%, 69%)
CMYK	cmyk(72.7%, 12.5%, 0%, 31%)
CIE-LAB	lab(58.86, -22.28, -20.10)
CIE-LCH	lch(58.86, 30.00, 222.06°)
OKLab	oklab(63.65% -0.0809 -0.056)
OKLCH	oklch(63.65% 0.098 214.7)
XYZ	xyz(20.6077, 26.8718, 45.1666)
Luminance	0.2687 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#309AB0 #B04630

analogous

#30B086 #309AB0 #305AB0

triadic

#309AB0 #B0309A #9AB030

tetradic

#309AB0 #8630B0 #B04630 #5AB030

square

#309AB0 #8630B0 #B04630 #5AB030

split-complementary

#309AB0 #B0305A #B08630

monochromatic

#164650 #237080 #309AB0 #4EB9CF #7ECCDC

Accessibility & contrast

On white

3.29

#309AB0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.37

#309AB0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #309AB0

6.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##309AB0	#FFFFFF	#000000	##000000
##309AB0	1.00	3.29	6.37	6.37
#FFFFFF	3.29	1.00	21.00	21.00
#000000	6.37	21.00	1.00	1.00
##000000	6.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8A95B1

Deuteranopia (green-blind)

#7988B0

Tritanopia (blue-blind)

#00A2A1

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #309ab0;
/* rgb */ color: rgb(48, 154, 176);
/* oklch */ color: oklch(63.6% 0.098 214.7);

Tailwind

colors: {
  custom: {
    50: '#7bb8c7',
    500: '#309ab0',
    950: '#000000',
  },
}

SCSS

$custom: #309ab0;
$custom-light: #7bb8c7;
$custom-dark: #000000;

JSON

{
  "hex": "#309ab0",
  "rgb": {
    "r": 48,
    "g": 154,
    "b": 176
  },
  "hsl": {
    "h": 190.313,
    "s": 57.143,
    "l": 43.922
  },
  "oklch": {
    "l": 0.63648,
    "c": 0.09839,
    "h": 214.7
  },
  "luminance": 0.26874
}

Semantic roles & 50–950 ramp

primary

#309AB0

secondary

#C58477

accent

#6247E0

background

#F8FBFC

surface

#EFF6F8

border

#CAD0D1

text

#0B1113

muted

#7C8082

Preview Lab

Preview with #309AB0

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

Preview Lab → · Contrast checker → · Palette generator →