#3FB2E4#3FB2E4

#3FB2E4 is a light, vivid cyan. Relative luminance 0.385; OKLCH L 72.1% C 0.124 H 231.1°. Best body text is #000000 at 8.70:1 contrast (WCAG AA passes).

Color values

HEX	#3FB2E4
RGB	rgb(63, 178, 228)
HSL	hsl(198, 75%, 57%)
HSV	hsv(198, 72%, 89%)
CMYK	cmyk(72.4%, 21.9%, 0%, 10.6%)
CIE-LAB	lab(68.38, -16.00, -34.32)
CIE-LCH	lch(68.38, 37.87, 245.00°)
OKLab	oklab(72.05% -0.0779 -0.0964)
OKLCH	oklch(72.05% 0.124 231.1)
XYZ	xyz(31.9683, 38.4953, 79.1292)
Luminance	0.3850 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3FB2E4 #E4713F

analogous

#3FE4C4 #3FB2E4 #3F60E4

triadic

#3FB2E4 #E43FB2 #B2E43F

tetradic

#3FB2E4 #C43FE4 #E4713F #60E43F

square

#3FB2E4 #C43FE4 #E4713F #60E43F

split-complementary

#3FB2E4 #E43F60 #E4C43F

monochromatic

#156D94 #1C95C9 #3FB2E4 #75C8EC #AADDF3

Accessibility & contrast

On white

2.41

#3FB2E4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.70

#3FB2E4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3FB2E4

8.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3FB2E4	#FFFFFF	#000000	##000000
##3FB2E4	1.00	2.41	8.70	8.70
#FFFFFF	2.41	1.00	21.00	21.00
#000000	8.70	21.00	1.00	1.00
##000000	8.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#99B0E6

Deuteranopia (green-blind)

#82A0E3

Tritanopia (blue-blind)

#00C0C3

Achromatopsia (no color)

#A7A7A7

Design tokens & code

CSS

--color: #3fb2e4;
/* rgb */ color: rgb(63, 178, 228);
/* oklch */ color: oklch(72.1% 0.124 231.1);

Tailwind

colors: {
  custom: {
    50: '#89c9ec',
    500: '#3fb2e4',
    950: '#000000',
  },
}

SCSS

$custom: #3fb2e4;
$custom-light: #89c9ec;
$custom-dark: #000000;

JSON

{
  "hex": "#3fb2e4",
  "rgb": {
    "r": 63,
    "g": 178,
    "b": 228
  },
  "hsl": {
    "h": 198.182,
    "s": 75.342,
    "l": 57.059
  },
  "oklch": {
    "l": 0.72052,
    "c": 0.12398,
    "h": 231.1
  },
  "luminance": 0.38499
}

Semantic roles & 50–950 ramp

primary

#3FB2E4

secondary

#E1B29E

accent

#6F36F2

background

#F9FCFE

surface

#F1F8FD

border

#CBD1D5

text

#0D1316

muted

#7E8284

Preview Lab

Preview with #3FB2E4

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

Preview Lab → · Contrast checker → · Palette generator →