#66B2F1#66B2F1

#66B2F1 is a light, moderate cyan. Relative luminance 0.410; OKLCH L 74.0% C 0.119 H 245.4°. Best body text is #000000 at 9.20:1 contrast (WCAG AA passes).

Color values

HEX	#66B2F1
RGB	rgb(102, 178, 241)
HSL	hsl(207, 83%, 67%)
HSV	hsv(207, 58%, 95%)
CMYK	cmyk(57.7%, 26.1%, 0%, 5.5%)
CIE-LAB	lab(70.19, -5.51, -38.51)
CIE-LCH	lch(70.19, 38.91, 261.85°)
OKLab	oklab(74.01% -0.0495 -0.1081)
OKLCH	oklch(74.01% 0.119 245.4)
XYZ	xyz(37.2713, 41.0131, 89.1542)
Luminance	0.4102 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66B2F1 #F1A566

analogous

#66F1EA #66B2F1 #666DF1

triadic

#66B2F1 #F166B2 #B2F166

tetradic

#66B2F1 #EA66F1 #F1A566 #6DF166

square

#66B2F1 #EA66F1 #F1A566 #6DF166

split-complementary

#66B2F1 #F1666D #F1EA66

monochromatic

#1277CA #2E96EC #66B2F1 #9ECEF6 #D6EAFB

Accessibility & contrast

On white

2.28

#66B2F1 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.20

#66B2F1 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66B2F1

9.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66B2F1	#FFFFFF	#000000	##000000
##66B2F1	1.00	2.28	9.20	9.20
#FFFFFF	2.28	1.00	21.00	21.00
#000000	9.20	21.00	1.00	1.00
##000000	9.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#97B3F4

Deuteranopia (green-blind)

#84A5F0

Tritanopia (blue-blind)

#00C1C8

Achromatopsia (no color)

#ACACAC

Design tokens & code

CSS

--color: #66b2f1;
/* rgb */ color: rgb(102, 178, 241);
/* oklch */ color: oklch(74.0% 0.119 245.4);

Tailwind

colors: {
  custom: {
    50: '#9cc8f6',
    500: '#66b2f1',
    950: '#000000',
  },
}

SCSS

$custom: #66b2f1;
$custom-light: #9cc8f6;
$custom-dark: #000000;

JSON

{
  "hex": "#66b2f1",
  "rgb": {
    "r": 102,
    "g": 178,
    "b": 241
  },
  "hsl": {
    "h": 207.194,
    "s": 83.234,
    "l": 67.255
  },
  "oklch": {
    "l": 0.74011,
    "c": 0.11896,
    "h": 245.4
  },
  "luminance": 0.41016
}

Semantic roles & 50–950 ramp

primary

#66B2F1

secondary

#EFD7C3

accent

#6906E0

background

#FAFCFF

surface

#F4F8FE

border

#CED1D6

text

#0F1317

muted

#7F8285

Preview Lab

Preview with #66B2F1

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

Preview Lab → · Contrast checker → · Palette generator →