#3FB4E2#3FB4E2

#3FB4E2 is a light, vivid cyan. Relative luminance 0.392; OKLCH L 72.4% C 0.122 H 228.5°. Best body text is #000000 at 8.84:1 contrast (WCAG AA passes).

Color values

HEX	#3FB4E2
RGB	rgb(63, 180, 226)
HSL	hsl(197, 74%, 57%)
HSV	hsv(197, 72%, 89%)
CMYK	cmyk(72.1%, 20.4%, 0%, 11.4%)
CIE-LAB	lab(68.89, -17.72, -32.45)
CIE-LCH	lch(68.89, 36.97, 241.37°)
OKLab	oklab(72.43% -0.0805 -0.0911)
OKLCH	oklch(72.43% 0.122 228.5)
XYZ	xyz(32.0931, 39.1865, 77.8091)
Luminance	0.3919 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3FB4E2 #E26D3F

analogous

#3FE2BF #3FB4E2 #3F62E2

triadic

#3FB4E2 #E23FB4 #B4E23F

tetradic

#3FB4E2 #BF3FE2 #E26D3F #62E23F

square

#3FB4E2 #BF3FE2 #E26D3F #62E23F

split-complementary

#3FB4E2 #E23F62 #E2BF3F

monochromatic

#166E91 #1E96C6 #3FB4E2 #74C9EA #A9DEF2

Accessibility & contrast

On white

2.38

#3FB4E2 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.84

#3FB4E2 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3FB4E2

8.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3FB4E2	#FFFFFF	#000000	##000000
##3FB4E2	1.00	2.38	8.84	8.84
#FFFFFF	2.38	1.00	21.00	21.00
#000000	8.84	21.00	1.00	1.00
##000000	8.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9CB1E4

Deuteranopia (green-blind)

#86A1E1

Tritanopia (blue-blind)

#00C1C3

Achromatopsia (no color)

#A8A8A8

Design tokens & code

CSS

--color: #3fb4e2;
/* rgb */ color: rgb(63, 180, 226);
/* oklch */ color: oklch(72.4% 0.122 228.5);

Tailwind

colors: {
  custom: {
    50: '#89caeb',
    500: '#3fb4e2',
    950: '#000000',
  },
}

SCSS

$custom: #3fb4e2;
$custom-light: #89caeb;
$custom-dark: #000000;

JSON

{
  "hex": "#3fb4e2",
  "rgb": {
    "r": 63,
    "g": 180,
    "b": 226
  },
  "hsl": {
    "h": 196.933,
    "s": 73.756,
    "l": 56.667
  },
  "oklch": {
    "l": 0.72426,
    "c": 0.12156,
    "h": 228.5
  },
  "luminance": 0.3919
}

Semantic roles & 50–950 ramp

primary

#3FB4E2

secondary

#E0B09D

accent

#6C37F0

background

#F9FCFE

surface

#F1F8FD

border

#CBD1D5

text

#0D1316

muted

#7E8284

Preview Lab

Preview with #3FB4E2

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

Preview Lab → · Contrast checker → · Palette generator →