#309EC4#309EC4

#309EC4 is a light, moderate cyan. Relative luminance 0.291; OKLCH L 65.5% C 0.111 H 225.9°. Best body text is #000000 at 6.81:1 contrast (WCAG AA passes).

Color values

HEX	#309EC4
RGB	rgb(48, 158, 196)
HSL	hsl(195, 61%, 48%)
HSV	hsv(195, 76%, 77%)
CMYK	cmyk(75.5%, 19.4%, 0%, 23.1%)
CIE-LAB	lab(60.84, -17.80, -28.32)
CIE-LCH	lch(60.84, 33.45, 237.85°)
OKLab	oklab(65.5% -0.077 -0.0794)
OKLCH	oklch(65.5% 0.111 225.9)
XYZ	xyz(23.4055, 29.0648, 56.5904)
Luminance	0.2907 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#309EC4 #C45630

analogous

#30C4A0 #309EC4 #3054C4

triadic

#309EC4 #C4309E #9EC430

tetradic

#309EC4 #A030C4 #C45630 #54C430

square

#309EC4 #A030C4 #C45630 #54C430

split-complementary

#309EC4 #C43054 #C4A030

monochromatic

#184F62 #247693 #309EC4 #5AB7D7 #8CCCE3

Accessibility & contrast

On white

3.08

#309EC4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.81

#309EC4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #309EC4

6.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##309EC4	#FFFFFF	#000000	##000000
##309EC4	1.00	3.08	6.81	6.81
#FFFFFF	3.08	1.00	21.00	21.00
#000000	6.81	21.00	1.00	1.00
##000000	6.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#899BC6

Deuteranopia (green-blind)

#758DC4

Tritanopia (blue-blind)

#00A9AA

Achromatopsia (no color)

#939393

Design tokens & code

CSS

--color: #309ec4;
/* rgb */ color: rgb(48, 158, 196);
/* oklch */ color: oklch(65.5% 0.111 225.9);

Tailwind

colors: {
  custom: {
    50: '#7ebad6',
    500: '#309ec4',
    950: '#000000',
  },
}

SCSS

$custom: #309ec4;
$custom-light: #7ebad6;
$custom-dark: #000000;

JSON

{
  "hex": "#309ec4",
  "rgb": {
    "r": 48,
    "g": 158,
    "b": 196
  },
  "hsl": {
    "h": 195.405,
    "s": 60.656,
    "l": 47.843
  },
  "oklch": {
    "l": 0.65495,
    "c": 0.11065,
    "h": 225.9
  },
  "luminance": 0.29068
}

Semantic roles & 50–950 ramp

primary

#309EC4

secondary

#CD9683

accent

#6D44E4

background

#F8FBFD

surface

#F0F6FA

border

#CBD0D3

text

#0B1114

muted

#7C8083

Preview Lab

Preview with #309EC4

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

Preview Lab → · Contrast checker → · Palette generator →