#3FB4D5#3FB4D5

#3FB4D5 is a light, moderate cyan. Relative luminance 0.385; OKLCH L 71.9% C 0.112 H 220.5°. Best body text is #000000 at 8.70:1 contrast (WCAG AA passes).

Color values

HEX	#3FB4D5
RGB	rgb(63, 180, 213)
HSL	hsl(193, 64%, 54%)
HSV	hsv(193, 70%, 84%)
CMYK	cmyk(70.4%, 15.5%, 0%, 16.5%)
CIE-LAB	lab(68.39, -21.89, -26.10)
CIE-LCH	lch(68.39, 34.06, 230.02°)
OKLab	oklab(71.86% -0.0853 -0.0729)
OKLCH	oklch(71.86% 0.112 220.5)
XYZ	xyz(30.3764, 38.4999, 68.7682)
Luminance	0.3850 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3FB4D5 #D5603F

analogous

#3FD5AB #3FB4D5 #3F69D5

triadic

#3FB4D5 #D53FB4 #B4D53F

tetradic

#3FB4D5 #AB3FD5 #D5603F #69D53F

square

#3FB4D5 #AB3FD5 #D5603F #69D53F

split-complementary

#3FB4D5 #D53F69 #D5AB3F

monochromatic

#1C687E #2792B0 #3FB4D5 #71C8E0 #A3DBEB

Accessibility & contrast

On white

2.41

#3FB4D5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.70

#3FB4D5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3FB4D5

8.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3FB4D5	#FFFFFF	#000000	##000000
##3FB4D5	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)

#A0AFD7

Deuteranopia (green-blind)

#8BA0D5

Tritanopia (blue-blind)

#00BFBF

Achromatopsia (no color)

#A7A7A7

Design tokens & code

CSS

--color: #3fb4d5;
/* rgb */ color: rgb(63, 180, 213);
/* oklch */ color: oklch(71.9% 0.112 220.5);

Tailwind

colors: {
  custom: {
    50: '#87cae2',
    500: '#3fb4d5',
    950: '#000000',
  },
}

SCSS

$custom: #3fb4d5;
$custom-light: #87cae2;
$custom-dark: #000000;

JSON

{
  "hex": "#3fb4d5",
  "rgb": {
    "r": 63,
    "g": 180,
    "b": 213
  },
  "hsl": {
    "h": 193.2,
    "s": 64.103,
    "l": 54.118
  },
  "oklch": {
    "l": 0.71862,
    "c": 0.11222,
    "h": 220.5
  },
  "luminance": 0.38503
}

Semantic roles & 50–950 ramp

primary

#3FB4D5

secondary

#D8A698

accent

#6541E7

background

#F9FCFD

surface

#F1F8FB

border

#CBD1D4

text

#0D1315

muted

#7E8283

Preview Lab

Preview with #3FB4D5

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

Preview Lab → · Contrast checker → · Palette generator →