#668DDB#668DDB

#668DDB is a light, vivid blue. Relative luminance 0.270; OKLCH L 64.9% C 0.125 H 263.2°. Best body text is #000000 at 6.40:1 contrast (WCAG AA passes).

Color values

HEX	#668DDB
RGB	rgb(102, 141, 219)
HSL	hsl(220, 62%, 63%)
HSV	hsv(220, 53%, 86%)
CMYK	cmyk(53.4%, 35.6%, 0%, 14.1%)
CIE-LAB	lab(58.96, 8.73, -43.98)
CIE-LCH	lch(58.96, 44.84, 281.23°)
OKLab	oklab(64.9% -0.0149 -0.1243)
OKLCH	oklch(64.9% 0.125 263.2)
XYZ	xyz(27.7862, 26.9869, 70.7489)
Luminance	0.2699 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668DDB #DBB466

analogous

#66C7DB #668DDB #7966DB

triadic

#668DDB #DB668D #8DDB66

tetradic

#668DDB #DB66C7 #DBB466 #66DB79

square

#668DDB #DB66C7 #DBB466 #66DB79

split-complementary

#668DDB #DB7966 #C7DB66

monochromatic

#264FA1 #3468CF #668DDB #98B2E7 #C9D7F2

Accessibility & contrast

On white

3.28

#668DDB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.40

#668DDB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668DDB

6.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668DDB	#FFFFFF	#000000	##000000
##668DDB	1.00	3.28	6.40	6.40
#FFFFFF	3.28	1.00	21.00	21.00
#000000	6.40	21.00	1.00	1.00
##000000	6.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E94DE

Deuteranopia (green-blind)

#6089D9

Tritanopia (blue-blind)

#269EAA

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #668ddb;
/* rgb */ color: rgb(102, 141, 219);
/* oklch */ color: oklch(64.9% 0.125 263.2);

Tailwind

colors: {
  custom: {
    50: '#99aee6',
    500: '#668ddb',
    950: '#000000',
  },
}

SCSS

$custom: #668ddb;
$custom-light: #99aee6;
$custom-dark: #000000;

JSON

{
  "hex": "#668ddb",
  "rgb": {
    "r": 102,
    "g": 141,
    "b": 219
  },
  "hsl": {
    "h": 220,
    "s": 61.905,
    "l": 62.941
  },
  "oklch": {
    "l": 0.649,
    "c": 0.12515,
    "h": 263.2
  },
  "luminance": 0.26989
}

Semantic roles & 50–950 ramp

primary

#668DDB

secondary

#E3D5B9

accent

#901CCA

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #668DDB

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

Preview Lab → · Contrast checker → · Palette generator →