#3FBBD5#3FBBD5

#3FBBD5 is a light, moderate cyan. Relative luminance 0.414; OKLCH L 73.5% C 0.112 H 214.7°. Best body text is #000000 at 9.28:1 contrast (WCAG AA passes).

Color values

HEX	#3FBBD5
RGB	rgb(63, 187, 213)
HSL	hsl(190, 64%, 54%)
HSV	hsv(190, 70%, 84%)
CMYK	cmyk(70.4%, 12.2%, 0%, 16.5%)
CIE-LAB	lab(70.45, -25.44, -22.94)
CIE-LCH	lch(70.45, 34.26, 222.04°)
OKLab	oklab(73.52% -0.0922 -0.0639)
OKLCH	oklch(73.52% 0.112 214.7)
XYZ	xyz(31.8254, 41.3978, 69.2512)
Luminance	0.4140 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3FBBD5 #D5593F

analogous

#3FD5A4 #3FBBD5 #3F70D5

triadic

#3FBBD5 #D53FBB #BBD53F

tetradic

#3FBBD5 #A43FD5 #D5593F #70D53F

square

#3FBBD5 #A43FD5 #D5593F #70D53F

split-complementary

#3FBBD5 #D53F70 #D5A43F

monochromatic

#1C6D7E #2798B0 #3FBBD5 #71CDE0 #A3DFEB

Accessibility & contrast

On white

2.26

#3FBBD5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.28

#3FBBD5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3FBBD5

9.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3FBBD5	#FFFFFF	#000000	##000000
##3FBBD5	1.00	2.26	9.28	9.28
#FFFFFF	2.26	1.00	21.00	21.00
#000000	9.28	21.00	1.00	1.00
##000000	9.28	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A9B5D6

Deuteranopia (green-blind)

#94A6D5

Tritanopia (blue-blind)

#00C5C3

Achromatopsia (no color)

#ACACAC

Design tokens & code

CSS

--color: #3fbbd5;
/* rgb */ color: rgb(63, 187, 213);
/* oklch */ color: oklch(73.5% 0.112 214.7);

Tailwind

colors: {
  custom: {
    50: '#88cfe2',
    500: '#3fbbd5',
    950: '#000000',
  },
}

SCSS

$custom: #3fbbd5;
$custom-light: #88cfe2;
$custom-dark: #000000;

JSON

{
  "hex": "#3fbbd5",
  "rgb": {
    "r": 63,
    "g": 187,
    "b": 213
  },
  "hsl": {
    "h": 190.4,
    "s": 64.103,
    "l": 54.118
  },
  "oklch": {
    "l": 0.73522,
    "c": 0.11221,
    "h": 214.7
  },
  "luminance": 0.41402
}

Semantic roles & 50–950 ramp

primary

#3FBBD5

secondary

#D8A398

accent

#5E41E7

background

#F9FCFD

surface

#F1F9FB

border

#CBD2D4

text

#0D1415

muted

#7E8283

Preview Lab

Preview with #3FBBD5

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

Preview Lab → · Contrast checker → · Palette generator →