#66A0F9#66A0F9

#66A0F9 is a light, vivid blue. Relative luminance 0.348; OKLCH L 70.5% C 0.145 H 258.7°. Best body text is #000000 at 7.96:1 contrast (WCAG AA passes).

Color values

HEX	#66A0F9
RGB	rgb(102, 160, 249)
HSL	hsl(216, 92%, 69%)
HSV	hsv(216, 59%, 98%)
CMYK	cmyk(59%, 35.7%, 0%, 2.4%)
CIE-LAB	lab(65.59, 7.17, -50.07)
CIE-LCH	lch(65.59, 50.58, 278.15°)
OKLab	oklab(70.53% -0.0284 -0.1419)
OKLCH	oklch(70.53% 0.145 258.7)
XYZ	xyz(35.1432, 34.8029, 94.4698)
Luminance	0.3481 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66A0F9 #F9BF66

analogous

#66E9F9 #66A0F9 #7666F9

triadic

#66A0F9 #F966A0 #A0F966

tetradic

#66A0F9 #F966E9 #F9BF66 #66F976

square

#66A0F9 #F966E9 #F9BF66 #66F976

split-complementary

#66A0F9 #F97666 #E9F966

monochromatic

#095CDC #2B7BF7 #66A0F9 #A1C5FB #DCE9FE

Accessibility & contrast

On white

2.64

#66A0F9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.96

#66A0F9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66A0F9

7.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66A0F9	#FFFFFF	#000000	##000000
##66A0F9	1.00	2.64	7.96	7.96
#FFFFFF	2.64	1.00	21.00	21.00
#000000	7.96	21.00	1.00	1.00
##000000	7.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7AA7FD

Deuteranopia (green-blind)

#6799F7

Tritanopia (blue-blind)

#00B4C1

Achromatopsia (no color)

#9F9F9F

Design tokens & code

CSS

--color: #66a0f9;
/* rgb */ color: rgb(102, 160, 249);
/* oklch */ color: oklch(70.5% 0.145 258.7);

Tailwind

colors: {
  custom: {
    50: '#9cbbfb',
    500: '#66a0f9',
    950: '#000000',
  },
}

SCSS

$custom: #66a0f9;
$custom-light: #9cbbfb;
$custom-dark: #000000;

JSON

{
  "hex": "#66a0f9",
  "rgb": {
    "r": 102,
    "g": 160,
    "b": 249
  },
  "hsl": {
    "h": 216.327,
    "s": 92.453,
    "l": 68.824
  },
  "oklch": {
    "l": 0.70532,
    "c": 0.14468,
    "h": 258.7
  },
  "luminance": 0.34806
}

Semantic roles & 50–950 ramp

primary

#66A0F9

secondary

#F3E2C8

accent

#8B00E6

background

#FAFBFF

surface

#F4F6FF

border

#CED0D7

text

#0F1117

muted

#7F8085

Preview Lab

Preview with #66A0F9

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

Preview Lab → · Contrast checker → · Palette generator →