#665DA0#665DA0

#665DA0 is a mid, moderate blue. Relative luminance 0.132; OKLCH L 51.7% C 0.104 H 288.4°. Best body text is #FFFFFF at 5.77:1 contrast (WCAG AA passes).

Color values

HEX	#665DA0
RGB	rgb(102, 93, 160)
HSL	hsl(248, 26%, 50%)
HSV	hsv(248, 42%, 63%)
CMYK	cmyk(36.2%, 41.9%, 0%, 37.3%)
CIE-LAB	lab(43.05, 20.03, -35.15)
CIE-LCH	lch(43.05, 40.46, 299.68°)
OKLab	oklab(51.69% 0.0328 -0.0988)
OKLCH	oklch(51.69% 0.104 288.4)
XYZ	xyz(15.7373, 13.1911, 34.9679)
Luminance	0.1319 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665DA0 #97A05D

analogous

#5D76A0 #665DA0 #885DA0

triadic

#665DA0 #A0665D #5DA066

tetradic

#665DA0 #A05D76 #97A05D #5DA088

square

#665DA0 #A05D76 #97A05D #5DA088

split-complementary

#665DA0 #A0885D #76A05D

monochromatic

#353053 #4D4779 #665DA0 #8A83B7 #AFAACE

Accessibility & contrast

On white

5.77

#665DA0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.64

#665DA0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665DA0

5.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665DA0	#FFFFFF	#000000	##FFFFFF
##665DA0	1.00	5.77	3.64	5.77
#FFFFFF	5.77	1.00	21.00	1.00
#000000	3.64	21.00	1.00	21.00
##FFFFFF	5.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4767A3

Deuteranopia (green-blind)

#47649E

Tritanopia (blue-blind)

#576A77

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #665da0;
/* rgb */ color: rgb(102, 93, 160);
/* oklch */ color: oklch(51.7% 0.104 288.4);

Tailwind

colors: {
  custom: {
    50: '#948bbc',
    500: '#665da0',
    950: '#000000',
  },
}

SCSS

$custom: #665da0;
$custom-light: #948bbc;
$custom-dark: #000000;

JSON

{
  "hex": "#665da0",
  "rgb": {
    "r": 102,
    "g": 93,
    "b": 160
  },
  "hsl": {
    "h": 248.06,
    "s": 26.482,
    "l": 49.608
  },
  "oklch": {
    "l": 0.51692,
    "c": 0.10406,
    "h": 288.4
  },
  "luminance": 0.13192
}

Semantic roles & 50–950 ramp

primary

#665DA0

secondary

#B8BC9D

accent

#C365B6

background

#F9F8FB

surface

#F2F0F6

border

#CCCBD0

text

#0D0C12

muted

#7E7D81

Preview Lab

Preview with #665DA0

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

Preview Lab → · Contrast checker → · Palette generator →