#665FC4#665FC4

#665FC4 is a mid, vivid blue. Relative luminance 0.150; OKLCH L 54.3% C 0.153 H 283.2°. Best body text is #FFFFFF at 5.25:1 contrast (WCAG AA passes).

Color values

HEX	#665FC4
RGB	rgb(102, 95, 196)
HSL	hsl(244, 46%, 57%)
HSV	hsv(244, 52%, 77%)
CMYK	cmyk(48%, 51.5%, 0%, 23.1%)
CIE-LAB	lab(45.63, 29.43, -52.14)
CIE-LCH	lch(45.63, 59.87, 299.45°)
OKLab	oklab(54.31% 0.0348 -0.1485)
OKLCH	oklch(54.31% 0.153 283.2)
XYZ	xyz(19.5325, 14.9938, 54.0787)
Luminance	0.1499 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665FC4 #BDC45F

analogous

#5F8BC4 #665FC4 #985FC4

triadic

#665FC4 #C4665F #5FC466

tetradic

#665FC4 #C45F8B #BDC45F #5FC498

square

#665FC4 #C45F8B #BDC45F #5FC498

split-complementary

#665FC4 #C4985F #8BC45F

monochromatic

#332D7B #453EA8 #665FC4 #918CD4 #BCB8E5

Accessibility & contrast

On white

5.25

#665FC4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.00

#665FC4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665FC4

5.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665FC4	#FFFFFF	#000000	##FFFFFF
##665FC4	1.00	5.25	4.00	5.25
#FFFFFF	5.25	1.00	21.00	1.00
#000000	4.00	21.00	1.00	21.00
##FFFFFF	5.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E6FC8

Deuteranopia (green-blind)

#2869C2

Tritanopia (blue-blind)

#457588

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #665fc4;
/* rgb */ color: rgb(102, 95, 196);
/* oklch */ color: oklch(54.3% 0.153 283.2);

Tailwind

colors: {
  custom: {
    50: '#988cd6',
    500: '#665fc4',
    950: '#000000',
  },
}

SCSS

$custom: #665fc4;
$custom-light: #988cd6;
$custom-dark: #000000;

JSON

{
  "hex": "#665fc4",
  "rgb": {
    "r": 102,
    "g": 95,
    "b": 196
  },
  "hsl": {
    "h": 244.158,
    "s": 46.119,
    "l": 57.059
  },
  "oklch": {
    "l": 0.54305,
    "c": 0.15251,
    "h": 283.2
  },
  "luminance": 0.14995
}

Semantic roles & 50–950 ramp

primary

#665FC4

secondary

#D1D4AB

accent

#D652CD

background

#F9F8FD

surface

#F2F0FA

border

#CCCBD3

text

#0E0C14

muted

#7E7D83

Preview Lab

Preview with #665FC4

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

Preview Lab → · Contrast checker → · Palette generator →