#3BB5DA#3BB5DA

#3BB5DA is a light, moderate cyan. Relative luminance 0.390; OKLCH L 72.2% C 0.117 H 222.5°. Best body text is #000000 at 8.81:1 contrast (WCAG AA passes).

Color values

HEX	#3BB5DA
RGB	rgb(59, 181, 218)
HSL	hsl(194, 68%, 54%)
HSV	hsv(194, 73%, 85%)
CMYK	cmyk(72.9%, 17%, 0%, 14.5%)
CIE-LAB	lab(68.78, -21.33, -28.25)
CIE-LCH	lch(68.78, 35.40, 232.95°)
OKLab	oklab(72.21% -0.0862 -0.079)
OKLCH	oklch(72.21% 0.117 222.5)
XYZ	xyz(30.9772, 39.0359, 72.2181)
Luminance	0.3904 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3BB5DA #DA603B

analogous

#3BDAAF #3BB5DA #3B66DA

triadic

#3BB5DA #DA3BB5 #B5DA3B

tetradic

#3BB5DA #AF3BDA #DA603B #66DA3B

square

#3BB5DA #AF3BDA #DA603B #66DA3B

split-complementary

#3BB5DA #DA3B66 #DAAF3B

monochromatic

#196A82 #2293B6 #3BB5DA #6EC8E4 #A2DCED

Accessibility & contrast

On white

2.38

#3BB5DA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.81

#3BB5DA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3BB5DA

8.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3BB5DA	#FFFFFF	#000000	##000000
##3BB5DA	1.00	2.38	8.81	8.81
#FFFFFF	2.38	1.00	21.00	21.00
#000000	8.81	21.00	1.00	1.00
##000000	8.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A0B1DC

Deuteranopia (green-blind)

#8AA1DA

Tritanopia (blue-blind)

#00C0C1

Achromatopsia (no color)

#A8A8A8

Design tokens & code

CSS

--color: #3bb5da;
/* rgb */ color: rgb(59, 181, 218);
/* oklch */ color: oklch(72.2% 0.117 222.5);

Tailwind

colors: {
  custom: {
    50: '#86cbe5',
    500: '#3bb5da',
    950: '#000000',
  },
}

SCSS

$custom: #3bb5da;
$custom-light: #86cbe5;
$custom-dark: #000000;

JSON

{
  "hex": "#3bb5da",
  "rgb": {
    "r": 59,
    "g": 181,
    "b": 218
  },
  "hsl": {
    "h": 193.962,
    "s": 68.24,
    "l": 54.314
  },
  "oklch": {
    "l": 0.7221,
    "c": 0.11699,
    "h": 222.5
  },
  "luminance": 0.3904
}

Semantic roles & 50–950 ramp

primary

#3BB5DA

secondary

#DAA697

accent

#653DEB

background

#F9FCFE

surface

#F1F8FC

border

#CBD1D5

text

#0D1315

muted

#7E8284

Preview Lab

Preview with #3BB5DA

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

Preview Lab → · Contrast checker → · Palette generator →