#665DDD#665DDD

#665DDD is a mid, vivid blue. Relative luminance 0.159; OKLCH L 55.7% C 0.189 H 281.5°. Best body text is #FFFFFF at 5.03:1 contrast (WCAG AA passes).

Color values

HEX	#665DDD
RGB	rgb(102, 93, 221)
HSL	hsl(244, 65%, 62%)
HSV	hsv(244, 58%, 87%)
CMYK	cmyk(53.8%, 57.9%, 0%, 13.3%)
CIE-LAB	lab(46.81, 38.31, -64.55)
CIE-LCH	lch(46.81, 75.06, 300.69°)
OKLab	oklab(55.71% 0.0377 -0.185)
OKLCH	oklch(55.71% 0.189 281.5)
XYZ	xyz(22.4410, 15.8726, 70.2738)
Luminance	0.1587 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665DDD #D4DD5D

analogous

#5D94DD #665DDD #A65DDD

triadic

#665DDD #DD665D #5DDD66

tetradic

#665DDD #DD5D94 #D4DD5D #5DDDA6

square

#665DDD #DD5D94 #D4DD5D #5DDDA6

split-complementary

#665DDD #DDA65D #94DD5D

monochromatic

#2A219E #372CD1 #665DDD #9690E8 #C6C2F2

Accessibility & contrast

On white

5.03

#665DDD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.17

#665DDD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665DDD

5.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665DDD	#FFFFFF	#000000	##FFFFFF
##665DDD	1.00	5.03	4.17	5.03
#FFFFFF	5.03	1.00	21.00	1.00
#000000	4.17	21.00	1.00	21.00
##FFFFFF	5.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0073E1

Deuteranopia (green-blind)

#006ADA

Tritanopia (blue-blind)

#307B94

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #665ddd;
/* rgb */ color: rgb(102, 93, 221);
/* oklch */ color: oklch(55.7% 0.189 281.5);

Tailwind

colors: {
  custom: {
    50: '#9b8be8',
    500: '#665ddd',
    950: '#000000',
  },
}

SCSS

$custom: #665ddd;
$custom-light: #9b8be8;
$custom-dark: #000000;

JSON

{
  "hex": "#665ddd",
  "rgb": {
    "r": 102,
    "g": 93,
    "b": 221
  },
  "hsl": {
    "h": 244.219,
    "s": 65.306,
    "l": 61.569
  },
  "oklch": {
    "l": 0.55712,
    "c": 0.18881,
    "h": 281.5
  },
  "luminance": 0.15874
}

Semantic roles & 50–950 ramp

primary

#665DDD

secondary

#DFE3B3

accent

#CD18C0

background

#FAF8FE

surface

#F4F0FD

border

#CECBD5

text

#0F0C16

muted

#7F7D84

Preview Lab

Preview with #665DDD

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

Preview Lab → · Contrast checker → · Palette generator →