#309AC3#309AC3

#309AC3 is a light, moderate cyan. Relative luminance 0.277; OKLCH L 64.5% C 0.111 H 228.6°. Best body text is #000000 at 6.54:1 contrast (WCAG AA passes).

Color values

HEX	#309AC3
RGB	rgb(48, 154, 195)
HSL	hsl(197, 60%, 48%)
HSV	hsv(197, 75%, 76%)
CMYK	cmyk(75.4%, 21%, 0%, 23.5%)
CIE-LAB	lab(59.60, -15.99, -29.68)
CIE-LCH	lch(59.60, 33.71, 241.69°)
OKLab	oklab(64.49% -0.0735 -0.0834)
OKLCH	oklch(64.49% 0.111 228.6)
XYZ	xyz(22.6208, 27.6770, 55.7692)
Luminance	0.2768 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#309AC3 #C35930

analogous

#30C3A3 #309AC3 #3050C3

triadic

#309AC3 #C3309A #9AC330

tetradic

#309AC3 #A330C3 #C35930 #50C330

square

#309AC3 #A330C3 #C35930 #50C330

split-complementary

#309AC3 #C33050 #C3A330

monochromatic

#184C61 #247392 #309AC3 #5AB4D6 #8BCAE2

Accessibility & contrast

On white

3.21

#309AC3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.54

#309AC3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #309AC3

6.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##309AC3	#FFFFFF	#000000	##000000
##309AC3	1.00	3.21	6.54	6.54
#FFFFFF	3.21	1.00	21.00	21.00
#000000	6.54	21.00	1.00	1.00
##000000	6.54	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8597C5

Deuteranopia (green-blind)

#7189C2

Tritanopia (blue-blind)

#00A6A8

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #309ac3;
/* rgb */ color: rgb(48, 154, 195);
/* oklch */ color: oklch(64.5% 0.111 228.6);

Tailwind

colors: {
  custom: {
    50: '#7eb7d5',
    500: '#309ac3',
    950: '#000000',
  },
}

SCSS

$custom: #309ac3;
$custom-light: #7eb7d5;
$custom-dark: #000000;

JSON

{
  "hex": "#309ac3",
  "rgb": {
    "r": 48,
    "g": 154,
    "b": 195
  },
  "hsl": {
    "h": 196.735,
    "s": 60.494,
    "l": 47.647
  },
  "oklch": {
    "l": 0.64487,
    "c": 0.11116,
    "h": 228.6
  },
  "luminance": 0.2768
}

Semantic roles & 50–950 ramp

primary

#309AC3

secondary

#CC9782

accent

#7144E4

background

#F8FBFD

surface

#EFF6FA

border

#CAD0D3

text

#0B1114

muted

#7C8083

Preview Lab

Preview with #309AC3

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

Preview Lab → · Contrast checker → · Palette generator →