#309ABF#309ABF

#309ABF is a light, moderate cyan. Relative luminance 0.275; OKLCH L 64.3% C 0.108 H 226.0°. Best body text is #000000 at 6.50:1 contrast (WCAG AA passes).

Color values

HEX	#309ABF
RGB	rgb(48, 154, 191)
HSL	hsl(196, 60%, 47%)
HSV	hsv(196, 75%, 75%)
CMYK	cmyk(74.9%, 19.4%, 0%, 25.1%)
CIE-LAB	lab(59.43, -17.34, -27.68)
CIE-LCH	lch(59.43, 32.66, 237.94°)
OKLab	oklab(64.3% -0.075 -0.0776)
OKLCH	oklch(64.3% 0.108 226)
XYZ	xyz(22.1746, 27.4985, 53.4192)
Luminance	0.2750 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#309ABF #BF5530

analogous

#30BF9C #309ABF #3053BF

triadic

#309ABF #BF309A #9ABF30

tetradic

#309ABF #9C30BF #BF5530 #53BF30

square

#309ABF #9C30BF #BF5530 #53BF30

split-complementary

#309ABF #BF3053 #BF9C30

monochromatic

#174B5D #24738E #309ABF #57B4D5 #88CAE1

Accessibility & contrast

On white

3.23

#309ABF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.50

#309ABF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #309ABF

6.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##309ABF	#FFFFFF	#000000	##000000
##309ABF	1.00	3.23	6.50	6.50
#FFFFFF	3.23	1.00	21.00	21.00
#000000	6.50	21.00	1.00	1.00
##000000	6.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8697C1

Deuteranopia (green-blind)

#7389BF

Tritanopia (blue-blind)

#00A5A6

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #309abf;
/* rgb */ color: rgb(48, 154, 191);
/* oklch */ color: oklch(64.3% 0.108 226.0);

Tailwind

colors: {
  custom: {
    50: '#7db7d2',
    500: '#309abf',
    950: '#000000',
  },
}

SCSS

$custom: #309abf;
$custom-light: #7db7d2;
$custom-dark: #000000;

JSON

{
  "hex": "#309abf",
  "rgb": {
    "r": 48,
    "g": 154,
    "b": 191
  },
  "hsl": {
    "h": 195.524,
    "s": 59.833,
    "l": 46.863
  },
  "oklch": {
    "l": 0.64303,
    "c": 0.10794,
    "h": 226
  },
  "luminance": 0.27501
}

Semantic roles & 50–950 ramp

primary

#309ABF

secondary

#CB9380

accent

#6E45E3

background

#F8FBFC

surface

#EFF6F9

border

#CAD0D2

text

#0B1114

muted

#7C8082

Preview Lab

Preview with #309ABF

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

Preview Lab → · Contrast checker → · Palette generator →