#3FC3DE#3FC3DE

#3FC3DE is a light, moderate cyan. Relative luminance 0.454; OKLCH L 75.8% C 0.117 H 214.4°. Best body text is #000000 at 10.07:1 contrast (WCAG AA passes).

Color values

HEX	#3FC3DE
RGB	rgb(63, 195, 222)
HSL	hsl(190, 71%, 56%)
HSV	hsv(190, 72%, 87%)
CMYK	cmyk(71.6%, 12.2%, 0%, 12.9%)
CIE-LAB	lab(73.13, -26.66, -23.76)
CIE-LCH	lch(73.13, 35.71, 221.71°)
OKLab	oklab(75.78% -0.0965 -0.0662)
OKLCH	oklch(75.78% 0.117 214.4)
XYZ	xyz(34.7442, 45.3568, 76.0167)
Luminance	0.4536 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3FC3DE #DE5A3F

analogous

#3FDEAA #3FC3DE #3F73DE

triadic

#3FC3DE #DE3FC3 #C3DE3F

tetradic

#3FC3DE #AA3FDE #DE5A3F #73DE3F

square

#3FC3DE #AA3FDE #DE5A3F #73DE3F

split-complementary

#3FC3DE #DE3F73 #DEAA3F

monochromatic

#18778B #21A4BF #3FC3DE #73D3E7 #A7E4F0

Accessibility & contrast

On white

2.08

#3FC3DE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.07

#3FC3DE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3FC3DE

10.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3FC3DE	#FFFFFF	#000000	##000000
##3FC3DE	1.00	2.08	10.07	10.07
#FFFFFF	2.08	1.00	21.00	21.00
#000000	10.07	21.00	1.00	1.00
##000000	10.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B0BDE0

Deuteranopia (green-blind)

#9AADDE

Tritanopia (blue-blind)

#00CDCB

Achromatopsia (no color)

#B4B4B4

Design tokens & code

CSS

--color: #3fc3de;
/* rgb */ color: rgb(63, 195, 222);
/* oklch */ color: oklch(75.8% 0.117 214.4);

Tailwind

colors: {
  custom: {
    50: '#89d5e8',
    500: '#3fc3de',
    950: '#000000',
  },
}

SCSS

$custom: #3fc3de;
$custom-light: #89d5e8;
$custom-dark: #000000;

JSON

{
  "hex": "#3fc3de",
  "rgb": {
    "r": 63,
    "g": 195,
    "b": 222
  },
  "hsl": {
    "h": 190.189,
    "s": 70.667,
    "l": 55.882
  },
  "oklch": {
    "l": 0.75778,
    "c": 0.11705,
    "h": 214.4
  },
  "luminance": 0.45361
}

Semantic roles & 50–950 ramp

primary

#3FC3DE

secondary

#DDA79B

accent

#593AED

background

#F9FDFE

surface

#F1FAFC

border

#CBD3D5

text

#0D1416

muted

#7E8384

Preview Lab

Preview with #3FC3DE

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

Preview Lab → · Contrast checker → · Palette generator →