#3FB4DA#3FB4DA

#3FB4DA is a light, moderate cyan. Relative luminance 0.388; OKLCH L 72.1% C 0.116 H 223.7°. Best body text is #000000 at 8.75:1 contrast (WCAG AA passes).

Color values

HEX	#3FB4DA
RGB	rgb(63, 180, 218)
HSL	hsl(195, 68%, 55%)
HSV	hsv(195, 71%, 85%)
CMYK	cmyk(71.1%, 17.4%, 0%, 14.5%)
CIE-LAB	lab(68.58, -20.30, -28.55)
CIE-LCH	lch(68.58, 35.03, 234.59°)
OKLab	oklab(72.08% -0.0834 -0.0799)
OKLCH	oklch(72.08% 0.116 223.7)
XYZ	xyz(31.0209, 38.7577, 72.1622)
Luminance	0.3876 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3FB4DA #DA653F

analogous

#3FDAB3 #3FB4DA #3F66DA

triadic

#3FB4DA #DA3FB4 #B4DA3F

tetradic

#3FB4DA #B33FDA #DA653F #66DA3F

square

#3FB4DA #B33FDA #DA653F #66DA3F

split-complementary

#3FB4DA #DA3F66 #DAB33F

monochromatic

#1A6B85 #2494B8 #3FB4DA #72C8E4 #A6DCEE

Accessibility & contrast

On white

2.40

#3FB4DA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.75

#3FB4DA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3FB4DA

8.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3FB4DA	#FFFFFF	#000000	##000000
##3FB4DA	1.00	2.40	8.75	8.75
#FFFFFF	2.40	1.00	21.00	21.00
#000000	8.75	21.00	1.00	1.00
##000000	8.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9FB0DC

Deuteranopia (green-blind)

#89A1DA

Tritanopia (blue-blind)

#00C0C0

Achromatopsia (no color)

#A7A7A7

Design tokens & code

CSS

--color: #3fb4da;
/* rgb */ color: rgb(63, 180, 218);
/* oklch */ color: oklch(72.1% 0.116 223.7);

Tailwind

colors: {
  custom: {
    50: '#88cae5',
    500: '#3fb4da',
    950: '#000000',
  },
}

SCSS

$custom: #3fb4da;
$custom-light: #88cae5;
$custom-dark: #000000;

JSON

{
  "hex": "#3fb4da",
  "rgb": {
    "r": 63,
    "g": 180,
    "b": 218
  },
  "hsl": {
    "h": 194.71,
    "s": 67.686,
    "l": 55.098
  },
  "oklch": {
    "l": 0.72075,
    "c": 0.11552,
    "h": 223.7
  },
  "luminance": 0.38761
}

Semantic roles & 50–950 ramp

primary

#3FB4DA

secondary

#DBAA9A

accent

#683DEB

background

#F9FCFE

surface

#F1F8FC

border

#CBD1D5

text

#0D1315

muted

#7E8284

Preview Lab

Preview with #3FB4DA

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

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