#669EE4#669EE4

#669EE4 is a light, moderate cyan. Relative luminance 0.329; OKLCH L 69.0% C 0.120 H 254.7°. Best body text is #000000 at 7.58:1 contrast (WCAG AA passes).

Color values

HEX	#669EE4
RGB	rgb(102, 158, 228)
HSL	hsl(213, 70%, 65%)
HSV	hsv(213, 55%, 89%)
CMYK	cmyk(55.3%, 30.7%, 0%, 10.6%)
CIE-LAB	lab(64.06, 1.67, -40.96)
CIE-LCH	lch(64.06, 41.00, 272.34°)
OKLab	oklab(69.01% -0.0316 -0.1154)
OKLCH	oklch(69.01% 0.12 254.7)
XYZ	xyz(31.7050, 32.8773, 78.0589)
Luminance	0.3288 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669EE4 #E4AC66

analogous

#66DDE4 #669EE4 #6D66E4

triadic

#669EE4 #E4669E #9EE466

tetradic

#669EE4 #E466DD #E4AC66 #66E46D

square

#669EE4 #E466DD #E4AC66 #66E46D

split-complementary

#669EE4 #E46D66 #DDE466

monochromatic

#1F60B0 #327DDB #669EE4 #9ABFED #CEE0F6

Accessibility & contrast

On white

2.77

#669EE4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.58

#669EE4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #669EE4

7.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669EE4	#FFFFFF	#000000	##000000
##669EE4	1.00	2.77	7.58	7.58
#FFFFFF	2.77	1.00	21.00	21.00
#000000	7.58	21.00	1.00	1.00
##000000	7.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#81A2E7

Deuteranopia (green-blind)

#7196E3

Tritanopia (blue-blind)

#06AEB7

Achromatopsia (no color)

#9B9B9B

Design tokens & code

CSS

--color: #669ee4;
/* rgb */ color: rgb(102, 158, 228);
/* oklch */ color: oklch(69.0% 0.120 254.7);

Tailwind

colors: {
  custom: {
    50: '#9abaed',
    500: '#669ee4',
    950: '#000000',
  },
}

SCSS

$custom: #669ee4;
$custom-light: #9abaed;
$custom-dark: #000000;

JSON

{
  "hex": "#669ee4",
  "rgb": {
    "r": 102,
    "g": 158,
    "b": 228
  },
  "hsl": {
    "h": 213.333,
    "s": 70,
    "l": 64.706
  },
  "oklch": {
    "l": 0.69012,
    "c": 0.11961,
    "h": 254.7
  },
  "luminance": 0.3288
}

Semantic roles & 50–950 ramp

primary

#669EE4

secondary

#E9D5BD

accent

#7D14D2

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0F1116

muted

#7E8084

Preview Lab

Preview with #669EE4

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

Preview Lab → · Contrast checker → · Palette generator →