#668AFF#668AFF

#668AFF is a light, vivid blue. Relative luminance 0.282; OKLCH L 66.4% C 0.178 H 268.4°. Best body text is #000000 at 6.64:1 contrast (WCAG AA passes).

Color values

HEX	#668AFF
RGB	rgb(102, 138, 255)
HSL	hsl(226, 100%, 70%)
HSV	hsv(226, 60%, 100%)
CMYK	cmyk(60%, 45.9%, 0%, 0%)
CIE-LAB	lab(60.09, 22.08, -62.13)
CIE-LCH	lch(60.09, 65.93, 289.57°)
OKLab	oklab(66.39% -0.005 -0.1774)
OKLCH	oklch(66.39% 0.178 268.4)
XYZ	xyz(32.6119, 28.2190, 98.3166)
Luminance	0.2822 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668AFF #FFDB66

analogous

#66D7FF #668AFF #8E66FF

triadic

#668AFF #FF668A #8AFF66

tetradic

#668AFF #FF66D7 #FFDB66 #66FF8E

square

#668AFF #FF66D7 #FFDB66 #66FF8E

split-complementary

#668AFF #FF8E66 #D7FF66

monochromatic

#0037EB #295BFF #668AFF #A3B9FF #E0E8FF

Accessibility & contrast

On white

3.16

#668AFF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.64

#668AFF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668AFF

6.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668AFF	#FFFFFF	#000000	##000000
##668AFF	1.00	3.16	6.64	6.64
#FFFFFF	3.16	1.00	21.00	21.00
#000000	6.64	21.00	1.00	1.00
##000000	6.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5198FF

Deuteranopia (green-blind)

#388AFD

Tritanopia (blue-blind)

#00A5B8

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #668aff;
/* rgb */ color: rgb(102, 138, 255);
/* oklch */ color: oklch(66.4% 0.178 268.4);

Tailwind

colors: {
  custom: {
    50: '#9eabff',
    500: '#668aff',
    950: '#000000',
  },
}

SCSS

$custom: #668aff;
$custom-light: #9eabff;
$custom-dark: #000000;

JSON

{
  "hex": "#668aff",
  "rgb": {
    "r": 102,
    "g": 138,
    "b": 255
  },
  "hsl": {
    "h": 225.882,
    "s": 100,
    "l": 70
  },
  "oklch": {
    "l": 0.66388,
    "c": 0.17752,
    "h": 268.4
  },
  "luminance": 0.28222
}

Semantic roles & 50–950 ramp

primary

#668AFF

secondary

#F6ECCB

accent

#AF00E6

background

#FAFAFF

surface

#F4F4FF

border

#CECED7

text

#101018

muted

#7F7F86

Preview Lab

Preview with #668AFF

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

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