#666BED#666BED

#666BED is a mid, vivid blue. Relative luminance 0.195; OKLCH L 59.3% C 0.192 H 277.2°. Best body text is #000000 at 4.89:1 contrast (WCAG AA passes).

Color values

HEX	#666BED
RGB	rgb(102, 107, 237)
HSL	hsl(238, 79%, 66%)
HSV	hsv(238, 57%, 93%)
CMYK	cmyk(57%, 54.9%, 0%, 7.1%)
CIE-LAB	lab(51.21, 34.94, -66.44)
CIE-LCH	lch(51.21, 75.07, 297.74°)
OKLab	oklab(59.33% 0.0239 -0.1905)
OKLCH	oklch(59.33% 0.192 277.2)
XYZ	xyz(26.0184, 19.4527, 82.4880)
Luminance	0.1946 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#666BED #EDE866

analogous

#66AFED #666BED #A566ED

triadic

#666BED #ED666B #6BED66

tetradic

#666BED #ED66AF #EDE866 #66EDA5

square

#666BED #ED66AF #EDE866 #66EDA5

split-complementary

#666BED #EDA566 #AFED66

monochromatic

#171DC2 #2F36E7 #666BED #9DA0F3 #D4D5FA

Accessibility & contrast

On white

4.29

#666BED on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.89

#666BED on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #666BED

4.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##666BED	#FFFFFF	#000000	##000000
##666BED	1.00	4.29	4.89	4.89
#FFFFFF	4.29	1.00	21.00	21.00
#000000	4.89	21.00	1.00	1.00
##000000	4.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#0580F1

Deuteranopia (green-blind)

#0074EA

Tritanopia (blue-blind)

#0D89A2

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #666bed;
/* rgb */ color: rgb(102, 107, 237);
/* oklch */ color: oklch(59.3% 0.192 277.2);

Tailwind

colors: {
  custom: {
    50: '#9c95f4',
    500: '#666bed',
    950: '#000000',
  },
}

SCSS

$custom: #666bed;
$custom-light: #9c95f4;
$custom-dark: #000000;

JSON

{
  "hex": "#666bed",
  "rgb": {
    "r": 102,
    "g": 107,
    "b": 237
  },
  "hsl": {
    "h": 237.778,
    "s": 78.947,
    "l": 66.471
  },
  "oklch": {
    "l": 0.5933,
    "c": 0.19195,
    "h": 277.2
  },
  "luminance": 0.19455
}

Semantic roles & 50–950 ramp

primary

#666BED

secondary

#EDECC2

accent

#D30ADB

background

#FAF9FF

surface

#F4F1FE

border

#CECBD6

text

#0F0D17

muted

#7F7E85

Preview Lab

Preview with #666BED

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

Preview Lab → · Contrast checker → · Palette generator →