#3FB3E0#3FB3E0

#3FB3E0 is a light, vivid cyan. Relative luminance 0.387; OKLCH L 72.1% C 0.120 H 228.1°. Best body text is #000000 at 8.74:1 contrast (WCAG AA passes).

Color values

HEX	#3FB3E0
RGB	rgb(63, 179, 224)
HSL	hsl(197, 72%, 56%)
HSV	hsv(197, 72%, 88%)
CMYK	cmyk(71.9%, 20.1%, 0%, 12.2%)
CIE-LAB	lab(68.52, -17.84, -31.93)
CIE-LCH	lch(68.52, 36.58, 240.81°)
OKLab	oklab(72.1% -0.0803 -0.0896)
OKLCH	oklch(72.1% 0.12 228.1)
XYZ	xyz(31.6191, 38.6751, 76.3052)
Luminance	0.3868 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3FB3E0 #E06C3F

analogous

#3FE0BD #3FB3E0 #3F63E0

triadic

#3FB3E0 #E03FB3 #B3E03F

tetradic

#3FB3E0 #BD3FE0 #E06C3F #63E03F

square

#3FB3E0 #BD3FE0 #E06C3F #63E03F

split-complementary

#3FB3E0 #E03F63 #E0BD3F

monochromatic

#176D8E #1F95C2 #3FB3E0 #74C8E9 #A8DDF1

Accessibility & contrast

On white

2.40

#3FB3E0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.74

#3FB3E0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3FB3E0

8.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3FB3E0	#FFFFFF	#000000	##000000
##3FB3E0	1.00	2.40	8.74	8.74
#FFFFFF	2.40	1.00	21.00	21.00
#000000	8.74	21.00	1.00	1.00
##000000	8.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9BB0E2

Deuteranopia (green-blind)

#85A0DF

Tritanopia (blue-blind)

#00C0C2

Achromatopsia (no color)

#A7A7A7

Design tokens & code

CSS

--color: #3fb3e0;
/* rgb */ color: rgb(63, 179, 224);
/* oklch */ color: oklch(72.1% 0.120 228.1);

Tailwind

colors: {
  custom: {
    50: '#88c9e9',
    500: '#3fb3e0',
    950: '#000000',
  },
}

SCSS

$custom: #3fb3e0;
$custom-light: #88c9e9;
$custom-dark: #000000;

JSON

{
  "hex": "#3fb3e0",
  "rgb": {
    "r": 63,
    "g": 179,
    "b": 224
  },
  "hsl": {
    "h": 196.77,
    "s": 72.197,
    "l": 56.275
  },
  "oklch": {
    "l": 0.72103,
    "c": 0.12028,
    "h": 228.1
  },
  "luminance": 0.38679
}

Semantic roles & 50–950 ramp

primary

#3FB3E0

secondary

#DFAF9C

accent

#6C39EF

background

#F9FCFE

surface

#F1F8FD

border

#CBD1D5

text

#0D1316

muted

#7E8284

Preview Lab

Preview with #3FB3E0

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

Preview Lab → · Contrast checker → · Palette generator →