#3BB5D3#3BB5D3

#3BB5D3 is a light, moderate cyan. Relative luminance 0.387; OKLCH L 71.9% C 0.113 H 217.9°. Best body text is #000000 at 8.74:1 contrast (WCAG AA passes).

Color values

HEX	#3BB5D3
RGB	rgb(59, 181, 211)
HSL	hsl(192, 63%, 53%)
HSV	hsv(192, 72%, 83%)
CMYK	cmyk(72%, 14.2%, 0%, 17.3%)
CIE-LAB	lab(68.52, -23.56, -24.81)
CIE-LCH	lch(68.52, 34.22, 226.48°)
OKLab	oklab(71.91% -0.0889 -0.0693)
OKLCH	oklch(71.91% 0.113 217.9)
XYZ	xyz(30.0804, 38.6772, 67.4955)
Luminance	0.3868 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3BB5D3 #D3593B

analogous

#3BD3A5 #3BB5D3 #3B69D3

triadic

#3BB5D3 #D33BB5 #B5D33B

tetradic

#3BB5D3 #A53BD3 #D3593B #69D33B

square

#3BB5D3 #A53BD3 #D3593B #69D33B

split-complementary

#3BB5D3 #D33B69 #D3A53B

monochromatic

#1B6679 #2690AB #3BB5D3 #6DC8DE #9FDBE9

Accessibility & contrast

On white

2.40

#3BB5D3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.74

#3BB5D3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3BB5D3

8.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3BB5D3	#FFFFFF	#000000	##000000
##3BB5D3	1.00	2.40	8.74	8.74
#FFFFFF	2.40	1.00	21.00	21.00
#000000	8.74	21.00	1.00	1.00
##000000	8.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A2B0D5

Deuteranopia (green-blind)

#8DA0D3

Tritanopia (blue-blind)

#00BFBE

Achromatopsia (no color)

#A7A7A7

Design tokens & code

CSS

--color: #3bb5d3;
/* rgb */ color: rgb(59, 181, 211);
/* oklch */ color: oklch(71.9% 0.113 217.9);

Tailwind

colors: {
  custom: {
    50: '#85cbe0',
    500: '#3bb5d3',
    950: '#000000',
  },
}

SCSS

$custom: #3bb5d3;
$custom-light: #85cbe0;
$custom-dark: #000000;

JSON

{
  "hex": "#3bb5d3",
  "rgb": {
    "r": 59,
    "g": 181,
    "b": 211
  },
  "hsl": {
    "h": 191.842,
    "s": 63.333,
    "l": 52.941
  },
  "oklch": {
    "l": 0.71915,
    "c": 0.1127,
    "h": 217.9
  },
  "luminance": 0.38681
}

Semantic roles & 50–950 ramp

primary

#3BB5D3

secondary

#D6A194

accent

#6241E6

background

#F8FCFD

surface

#F0F8FB

border

#CBD1D4

text

#0D1315

muted

#7D8283

Preview Lab

Preview with #3BB5D3

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

Preview Lab → · Contrast checker → · Palette generator →