#66BEF0#66BEF0

#66BEF0 is a light, moderate cyan. Relative luminance 0.459; OKLCH L 76.6% C 0.111 H 235.6°. Best body text is #000000 at 10.19:1 contrast (WCAG AA passes).

Color values

HEX	#66BEF0
RGB	rgb(102, 190, 240)
HSL	hsl(202, 82%, 67%)
HSV	hsv(202, 58%, 94%)
CMYK	cmyk(57.5%, 20.8%, 0%, 5.9%)
CIE-LAB	lab(73.51, -12.31, -32.82)
CIE-LCH	lch(73.51, 35.05, 249.43°)
OKLab	oklab(76.63% -0.0627 -0.0917)
OKLCH	oklch(76.63% 0.111 235.6)
XYZ	xyz(39.6152, 45.9393, 89.2007)
Luminance	0.4594 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66BEF0 #F09866

analogous

#66F0DD #66BEF0 #6679F0

triadic

#66BEF0 #F066BE #BEF066

tetradic

#66BEF0 #DD66F0 #F09866 #79F066

square

#66BEF0 #DD66F0 #F09866 #79F066

split-complementary

#66BEF0 #F06679 #F0DD66

monochromatic

#1487C8 #2EA6EB #66BEF0 #9ED6F5 #D5EDFB

Accessibility & contrast

On white

2.06

#66BEF0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.19

#66BEF0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66BEF0

10.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66BEF0	#FFFFFF	#000000	##000000
##66BEF0	1.00	2.06	10.19	10.19
#FFFFFF	2.06	1.00	21.00	21.00
#000000	10.19	21.00	1.00	1.00
##000000	10.19	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A6BDF2

Deuteranopia (green-blind)

#93AEEF

Tritanopia (blue-blind)

#00CBCF

Achromatopsia (no color)

#B5B5B5

Design tokens & code

CSS

--color: #66bef0;
/* rgb */ color: rgb(102, 190, 240);
/* oklch */ color: oklch(76.6% 0.111 235.6);

Tailwind

colors: {
  custom: {
    50: '#9cd1f5',
    500: '#66bef0',
    950: '#000000',
  },
}

SCSS

$custom: #66bef0;
$custom-light: #9cd1f5;
$custom-dark: #000000;

JSON

{
  "hex": "#66bef0",
  "rgb": {
    "r": 102,
    "g": 190,
    "b": 240
  },
  "hsl": {
    "h": 201.739,
    "s": 82.143,
    "l": 67.059
  },
  "oklch": {
    "l": 0.76626,
    "c": 0.1111,
    "h": 235.6
  },
  "luminance": 0.45943
}

Semantic roles & 50–950 ramp

primary

#66BEF0

secondary

#EFD3C3

accent

#5507DF

background

#FAFCFE

surface

#F4F9FD

border

#CED2D5

text

#0F1417

muted

#7F8285

Preview Lab

Preview with #66BEF0

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

Preview Lab → · Contrast checker → · Palette generator →