#668DFF#668DFF

#668DFF is a light, vivid blue. Relative luminance 0.291; OKLCH L 67.0% C 0.174 H 267.4°. Best body text is #000000 at 6.82:1 contrast (WCAG AA passes).

Color values

HEX	#668DFF
RGB	rgb(102, 141, 255)
HSL	hsl(225, 100%, 70%)
HSV	hsv(225, 60%, 100%)
CMYK	cmyk(60%, 44.7%, 0%, 0%)
CIE-LAB	lab(60.86, 20.29, -60.88)
CIE-LCH	lch(60.86, 64.17, 288.43°)
OKLab	oklab(66.98% -0.0079 -0.1738)
OKLCH	oklch(66.98% 0.174 267.4)
XYZ	xyz(33.0482, 29.0917, 98.4620)
Luminance	0.2909 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668DFF #FFD866

analogous

#66D9FF #668DFF #8C66FF

triadic

#668DFF #FF668D #8DFF66

tetradic

#668DFF #FF66D9 #FFD866 #66FF8C

square

#668DFF #FF66D9 #FFD866 #66FF8C

split-complementary

#668DFF #FF8C66 #D9FF66

monochromatic

#003CEB #295FFF #668DFF #A3BBFF #E0E8FF

Accessibility & contrast

On white

3.08

#668DFF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.82

#668DFF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668DFF

6.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668DFF	#FFFFFF	#000000	##000000
##668DFF	1.00	3.08	6.82	6.82
#FFFFFF	3.08	1.00	21.00	21.00
#000000	6.82	21.00	1.00	1.00
##000000	6.82	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#579AFF

Deuteranopia (green-blind)

#3F8CFD

Tritanopia (blue-blind)

#00A7BA

Achromatopsia (no color)

#939393

Design tokens & code

CSS

--color: #668dff;
/* rgb */ color: rgb(102, 141, 255);
/* oklch */ color: oklch(67.0% 0.174 267.4);

Tailwind

colors: {
  custom: {
    50: '#9eadff',
    500: '#668dff',
    950: '#000000',
  },
}

SCSS

$custom: #668dff;
$custom-light: #9eadff;
$custom-dark: #000000;

JSON

{
  "hex": "#668dff",
  "rgb": {
    "r": 102,
    "g": 141,
    "b": 255
  },
  "hsl": {
    "h": 224.706,
    "s": 100,
    "l": 70
  },
  "oklch": {
    "l": 0.66982,
    "c": 0.17394,
    "h": 267.4
  },
  "luminance": 0.29095
}

Semantic roles & 50–950 ramp

primary

#668DFF

secondary

#F6EBCB

accent

#AB00E6

background

#FAFAFF

surface

#F4F4FF

border

#CECED7

text

#101018

muted

#7F7F86

Preview Lab

Preview with #668DFF

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

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