#3FA9EA#3FA9EA

#3FA9EA is a light, vivid cyan. Relative luminance 0.354; OKLCH L 70.3% C 0.135 H 240.0°. Best body text is #000000 at 8.07:1 contrast (WCAG AA passes).

Color values

HEX	#3FA9EA
RGB	rgb(63, 169, 234)
HSL	hsl(203, 80%, 58%)
HSV	hsv(203, 73%, 92%)
CMYK	cmyk(73.1%, 27.8%, 0%, 8.2%)
CIE-LAB	lab(66.04, -9.12, -41.27)
CIE-LCH	lch(66.04, 42.26, 257.54°)
OKLab	oklab(70.27% -0.0674 -0.1166)
OKLCH	oklch(70.27% 0.135 240)
XYZ	xyz(31.0833, 35.3696, 83.0148)
Luminance	0.3537 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3FA9EA #EA803F

analogous

#3FEAD5 #3FA9EA #3F53EA

triadic

#3FA9EA #EA3FA9 #A9EA3F

tetradic

#3FA9EA #D53FEA #EA803F #53EA3F

square

#3FA9EA #D53FEA #EA803F #53EA3F

split-complementary

#3FA9EA #EA3F53 #EAD53F

monochromatic

#11689D #178DD5 #3FA9EA #76C2F0 #ADDAF6

Accessibility & contrast

On white

2.60

#3FA9EA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.07

#3FA9EA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3FA9EA

8.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3FA9EA	#FFFFFF	#000000	##000000
##3FA9EA	1.00	2.60	8.07	8.07
#FFFFFF	2.60	1.00	21.00	21.00
#000000	8.07	21.00	1.00	1.00
##000000	8.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8BA9ED

Deuteranopia (green-blind)

#7399E9

Tritanopia (blue-blind)

#00B9C0

Achromatopsia (no color)

#A0A0A0

Design tokens & code

CSS

--color: #3fa9ea;
/* rgb */ color: rgb(63, 169, 234);
/* oklch */ color: oklch(70.3% 0.135 240.0);

Tailwind

colors: {
  custom: {
    50: '#89c2f1',
    500: '#3fa9ea',
    950: '#000000',
  },
}

SCSS

$custom: #3fa9ea;
$custom-light: #89c2f1;
$custom-dark: #000000;

JSON

{
  "hex": "#3fa9ea",
  "rgb": {
    "r": 63,
    "g": 169,
    "b": 234
  },
  "hsl": {
    "h": 202.807,
    "s": 80.282,
    "l": 58.235
  },
  "oklch": {
    "l": 0.70267,
    "c": 0.1347,
    "h": 240
  },
  "luminance": 0.35373
}

Semantic roles & 50–950 ramp

primary

#3FA9EA

secondary

#E4BAA0

accent

#7C31F7

background

#F9FBFE

surface

#F1F7FD

border

#CBD0D5

text

#0D1216

muted

#7E8184

Preview Lab

Preview with #3FA9EA

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

Preview Lab → · Contrast checker → · Palette generator →