#309FE2#309FE2

#309FE2 is a light, vivid cyan. Relative luminance 0.309; OKLCH L 67.2% C 0.138 H 240.7°. Best body text is #000000 at 7.18:1 contrast (WCAG AA passes).

Color values

HEX	#309FE2
RGB	rgb(48, 159, 226)
HSL	hsl(203, 75%, 54%)
HSV	hsv(203, 79%, 89%)
CMYK	cmyk(78.8%, 29.6%, 0%, 11.4%)
CIE-LAB	lab(62.43, -8.02, -42.54)
CIE-LCH	lch(62.43, 43.29, 259.32°)
OKLab	oklab(67.19% -0.0678 -0.1205)
OKLCH	oklch(67.19% 0.138 240.7)
XYZ	xyz(27.3391, 30.9123, 76.4625)
Luminance	0.3092 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#309FE2 #E27330

analogous

#30E2CC #309FE2 #3046E2

triadic

#309FE2 #E2309F #9FE230

tetradic

#309FE2 #CC30E2 #E27330 #46E230

square

#309FE2 #CC30E2 #E27330 #46E230

split-complementary

#309FE2 #E23046 #E2CC30

monochromatic

#135A85 #1A7EBB #309FE2 #66B8EA #9BD1F1

Accessibility & contrast

On white

2.92

#309FE2 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.18

#309FE2 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #309FE2

7.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##309FE2	#FFFFFF	#000000	##000000
##309FE2	1.00	2.92	7.18	7.18
#FFFFFF	2.92	1.00	21.00	21.00
#000000	7.18	21.00	1.00	1.00
##000000	7.18	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7FA0E5

Deuteranopia (green-blind)

#6790E1

Tritanopia (blue-blind)

#00B0B7

Achromatopsia (no color)

#979797

Design tokens & code

CSS

--color: #309fe2;
/* rgb */ color: rgb(48, 159, 226);
/* oklch */ color: oklch(67.2% 0.138 240.7);

Tailwind

colors: {
  custom: {
    50: '#83bbeb',
    500: '#309fe2',
    950: '#000000',
  },
}

SCSS

$custom: #309fe2;
$custom-light: #83bbeb;
$custom-dark: #000000;

JSON

{
  "hex": "#309fe2",
  "rgb": {
    "r": 48,
    "g": 159,
    "b": 226
  },
  "hsl": {
    "h": 202.584,
    "s": 75.424,
    "l": 53.725
  },
  "oklch": {
    "l": 0.67194,
    "c": 0.13827,
    "h": 240.7
  },
  "luminance": 0.30916
}

Semantic roles & 50–950 ramp

primary

#309FE2

secondary

#DDAD91

accent

#7D36F2

background

#F8FBFE

surface

#F0F6FD

border

#CBD0D5

text

#0C1116

muted

#7D8084

Preview Lab

Preview with #309FE2

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

Preview Lab → · Contrast checker → · Palette generator →