#669EF1#669EF1

#669EF1 is a light, vivid blue. Relative luminance 0.336; OKLCH L 69.7% C 0.136 H 258.1°. Best body text is #000000 at 7.73:1 contrast (WCAG AA passes).

Color values

HEX	#669EF1
RGB	rgb(102, 158, 241)
HSL	hsl(216, 83%, 67%)
HSV	hsv(216, 58%, 95%)
CMYK	cmyk(57.7%, 34.4%, 0%, 5.5%)
CIE-LAB	lab(64.67, 5.77, -47.16)
CIE-LCH	lch(64.67, 47.52, 276.97°)
OKLab	oklab(69.68% -0.0282 -0.1334)
OKLCH	oklch(69.68% 0.136 258.1)
XYZ	xyz(33.5780, 33.6265, 87.9231)
Luminance	0.3363 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669EF1 #F1B966

analogous

#66E4F1 #669EF1 #7366F1

triadic

#669EF1 #F1669E #9EF166

tetradic

#669EF1 #F166E4 #F1B966 #66F173

square

#669EF1 #F166E4 #F1B966 #66F173

split-complementary

#669EF1 #F17366 #E4F166

monochromatic

#125CCA #2E7AEC #669EF1 #9EC2F6 #D6E5FB

Accessibility & contrast

On white

2.72

#669EF1 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.73

#669EF1 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #669EF1

7.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669EF1	#FFFFFF	#000000	##000000
##669EF1	1.00	2.72	7.73	7.73
#FFFFFF	2.72	1.00	21.00	21.00
#000000	7.73	21.00	1.00	1.00
##000000	7.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7CA4F4

Deuteranopia (green-blind)

#6997EF

Tritanopia (blue-blind)

#00B1BC

Achromatopsia (no color)

#9D9D9D

Design tokens & code

CSS

--color: #669ef1;
/* rgb */ color: rgb(102, 158, 241);
/* oklch */ color: oklch(69.7% 0.136 258.1);

Tailwind

colors: {
  custom: {
    50: '#9bbaf6',
    500: '#669ef1',
    950: '#000000',
  },
}

SCSS

$custom: #669ef1;
$custom-light: #9bbaf6;
$custom-dark: #000000;

JSON

{
  "hex": "#669ef1",
  "rgb": {
    "r": 102,
    "g": 158,
    "b": 241
  },
  "hsl": {
    "h": 215.827,
    "s": 83.234,
    "l": 67.255
  },
  "oklch": {
    "l": 0.69682,
    "c": 0.13635,
    "h": 258.1
  },
  "luminance": 0.33629
}

Semantic roles & 50–950 ramp

primary

#669EF1

secondary

#EFDEC3

accent

#8806E0

background

#FAFBFF

surface

#F4F6FE

border

#CED0D6

text

#0F1117

muted

#7F8085

Preview Lab

Preview with #669EF1

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

Preview Lab → · Contrast checker → · Palette generator →