#669EEB#669EEB

#669EEB is a light, vivid cyan. Relative luminance 0.333; OKLCH L 69.4% C 0.129 H 256.6°. Best body text is #000000 at 7.66:1 contrast (WCAG AA passes).

Color values

HEX	#669EEB
RGB	rgb(102, 158, 235)
HSL	hsl(215, 77%, 66%)
HSV	hsv(215, 57%, 92%)
CMYK	cmyk(56.6%, 32.8%, 0%, 7.8%)
CIE-LAB	lab(64.38, 3.87, -44.31)
CIE-LCH	lch(64.38, 44.48, 274.99°)
OKLab	oklab(69.37% -0.0297 -0.1251)
OKLCH	oklch(69.37% 0.129 256.6)
XYZ	xyz(32.6965, 33.2739, 83.2806)
Luminance	0.3328 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669EEB #EBB366

analogous

#66E0EB #669EEB #7066EB

triadic

#669EEB #EB669E #9EEB66

tetradic

#669EEB #EB66E0 #EBB366 #66EB70

square

#669EEB #EB66E0 #EBB366 #66EB70

split-complementary

#669EEB #EB7066 #E0EB66

monochromatic

#195EBE #307CE4 #669EEB #9CC0F2 #D2E3F9

Accessibility & contrast

On white

2.74

#669EEB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.66

#669EEB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #669EEB

7.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669EEB	#FFFFFF	#000000	##000000
##669EEB	1.00	2.74	7.66	7.66
#FFFFFF	2.74	1.00	21.00	21.00
#000000	7.66	21.00	1.00	1.00
##000000	7.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7EA3EE

Deuteranopia (green-blind)

#6D96E9

Tritanopia (blue-blind)

#00AFBA

Achromatopsia (no color)

#9C9C9C

Design tokens & code

CSS

--color: #669eeb;
/* rgb */ color: rgb(102, 158, 235);
/* oklch */ color: oklch(69.4% 0.129 256.6);

Tailwind

colors: {
  custom: {
    50: '#9bbaf2',
    500: '#669eeb',
    950: '#000000',
  },
}

SCSS

$custom: #669eeb;
$custom-light: #9bbaf2;
$custom-dark: #000000;

JSON

{
  "hex": "#669eeb",
  "rgb": {
    "r": 102,
    "g": 158,
    "b": 235
  },
  "hsl": {
    "h": 214.737,
    "s": 76.879,
    "l": 66.078
  },
  "oklch": {
    "l": 0.69368,
    "c": 0.12858,
    "h": 256.6
  },
  "luminance": 0.33277
}

Semantic roles & 50–950 ramp

primary

#669EEB

secondary

#ECDAC1

accent

#830CD9

background

#FAFBFE

surface

#F3F6FD

border

#CDD0D5

text

#0F1117

muted

#7F8085

Preview Lab

Preview with #669EEB

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

Preview Lab → · Contrast checker → · Palette generator →