#665FC8#665FC8

#665FC8 is a mid, vivid blue. Relative luminance 0.152; OKLCH L 54.6% C 0.158 H 282.8°. Best body text is #FFFFFF at 5.20:1 contrast (WCAG AA passes).

Color values

HEX	#665FC8
RGB	rgb(102, 95, 200)
HSL	hsl(244, 49%, 58%)
HSV	hsv(244, 53%, 78%)
CMYK	cmyk(49%, 52.5%, 0%, 21.6%)
CIE-LAB	lab(45.88, 30.65, -54.04)
CIE-LCH	lch(45.88, 62.13, 299.56°)
OKLab	oklab(54.57% 0.0351 -0.1541)
OKLCH	oklch(54.57% 0.158 282.8)
XYZ	xyz(19.9939, 15.1783, 56.5086)
Luminance	0.1518 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665FC8 #C1C85F

analogous

#5F8CC8 #665FC8 #9A5FC8

triadic

#665FC8 #C8665F #5FC866

tetradic

#665FC8 #C85F8C #C1C85F #5FC89A

square

#665FC8 #C85F8C #C1C85F #5FC89A

split-complementary

#665FC8 #C89A5F #8CC85F

monochromatic

#322C80 #433CAE #665FC8 #928DD8 #BDBAE7

Accessibility & contrast

On white

5.20

#665FC8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.04

#665FC8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665FC8

5.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665FC8	#FFFFFF	#000000	##FFFFFF
##665FC8	1.00	5.20	4.04	5.20
#FFFFFF	5.20	1.00	21.00	1.00
#000000	4.04	21.00	1.00	21.00
##FFFFFF	5.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2970CC

Deuteranopia (green-blind)

#2269C6

Tritanopia (blue-blind)

#42768A

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #665fc8;
/* rgb */ color: rgb(102, 95, 200);
/* oklch */ color: oklch(54.6% 0.158 282.8);

Tailwind

colors: {
  custom: {
    50: '#988cd9',
    500: '#665fc8',
    950: '#000000',
  },
}

SCSS

$custom: #665fc8;
$custom-light: #988cd9;
$custom-dark: #000000;

JSON

{
  "hex": "#665fc8",
  "rgb": {
    "r": 102,
    "g": 95,
    "b": 200
  },
  "hsl": {
    "h": 244,
    "s": 48.837,
    "l": 57.843
  },
  "oklch": {
    "l": 0.54574,
    "c": 0.15802,
    "h": 282.8
  },
  "luminance": 0.15179
}

Semantic roles & 50–950 ramp

primary

#665FC8

secondary

#D4D6AC

accent

#D84FCF

background

#F9F8FD

surface

#F2F0FB

border

#CCCBD4

text

#0E0C15

muted

#7E7D83

Preview Lab

Preview with #665FC8

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

Preview Lab → · Contrast checker → · Palette generator →