#6668DB#6668DB

#6668DB is a mid, vivid blue. Relative luminance 0.178; OKLCH L 57.5% C 0.172 H 278.8°. Best body text is #FFFFFF at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#6668DB
RGB	rgb(102, 104, 219)
HSL	hsl(239, 62%, 63%)
HSV	hsv(239, 53%, 86%)
CMYK	cmyk(53.4%, 52.5%, 0%, 14.1%)
CIE-LAB	lab(49.30, 31.07, -59.39)
CIE-LCH	lch(49.30, 67.02, 297.62°)
OKLab	oklab(57.52% 0.0262 -0.1697)
OKLCH	oklch(57.52% 0.172 278.8)
XYZ	xyz(23.2120, 17.8384, 69.2241)
Luminance	0.1784 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6668DB #DBD966

analogous

#66A3DB #6668DB #9E66DB

triadic

#6668DB #DB6668 #68DB66

tetradic

#6668DB #DB66A3 #DBD966 #66DB9E

square

#6668DB #DB66A3 #DBD966 #66DB9E

split-complementary

#6668DB #DB9E66 #A3DB66

monochromatic

#2628A1 #3437CF #6668DB #9899E7 #C9CAF2

Accessibility & contrast

On white

4.60

#6668DB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.57

#6668DB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #6668DB

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6668DB	#FFFFFF	#000000	##FFFFFF
##6668DB	1.00	4.60	4.57	4.60
#FFFFFF	4.60	1.00	21.00	1.00
#000000	4.57	21.00	1.00	21.00
##FFFFFF	4.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#287ADF

Deuteranopia (green-blind)

#1371D9

Tritanopia (blue-blind)

#308297

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #6668db;
/* rgb */ color: rgb(102, 104, 219);
/* oklch */ color: oklch(57.5% 0.172 278.8);

Tailwind

colors: {
  custom: {
    50: '#9a93e7',
    500: '#6668db',
    950: '#000000',
  },
}

SCSS

$custom: #6668db;
$custom-light: #9a93e7;
$custom-dark: #000000;

JSON

{
  "hex": "#6668db",
  "rgb": {
    "r": 102,
    "g": 104,
    "b": 219
  },
  "hsl": {
    "h": 238.974,
    "s": 61.905,
    "l": 62.941
  },
  "oklch": {
    "l": 0.57523,
    "c": 0.17175,
    "h": 278.8
  },
  "luminance": 0.1784
}

Semantic roles & 50–950 ramp

primary

#6668DB

secondary

#E3E3B9

accent

#C71CCA

background

#FAF9FE

surface

#F3F1FC

border

#CDCBD5

text

#0F0D16

muted

#7F7E84

Preview Lab

Preview with #6668DB

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

Preview Lab → · Contrast checker → · Palette generator →