#665FB0#665FB0

#665FB0 is a mid, vivid blue. Relative luminance 0.141; OKLCH L 53.0% C 0.124 H 285.3°. Best body text is #FFFFFF at 5.48:1 contrast (WCAG AA passes).

Color values

HEX	#665FB0
RGB	rgb(102, 95, 176)
HSL	hsl(245, 34%, 53%)
HSV	hsv(245, 46%, 69%)
CMYK	cmyk(42%, 46%, 0%, 31%)
CIE-LAB	lab(44.44, 23.43, -42.39)
CIE-LCH	lch(44.44, 48.44, 298.93°)
OKLab	oklab(53.03% 0.0327 -0.1199)
OKLCH	oklch(53.03% 0.124 285.3)
XYZ	xyz(17.4059, 14.1431, 42.8787)
Luminance	0.1414 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665FB0 #A9B05F

analogous

#5F80B0 #665FB0 #8E5FB0

triadic

#665FB0 #B0665F #5FB066

tetradic

#665FB0 #B05F80 #A9B05F #5FB08E

square

#665FB0 #B05F80 #A9B05F #5FB08E

split-complementary

#665FB0 #B08E5F #80B05F

monochromatic

#353163 #4B458C #665FB0 #8D88C4 #B4B1D8

Accessibility & contrast

On white

5.48

#665FB0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.83

#665FB0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665FB0

5.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665FB0	#FFFFFF	#000000	##FFFFFF
##665FB0	1.00	5.48	3.83	5.48
#FFFFFF	5.48	1.00	21.00	1.00
#000000	3.83	21.00	1.00	21.00
##FFFFFF	5.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#406BB3

Deuteranopia (green-blind)

#3E67AE

Tritanopia (blue-blind)

#506F7F

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #665fb0;
/* rgb */ color: rgb(102, 95, 176);
/* oklch */ color: oklch(53.0% 0.124 285.3);

Tailwind

colors: {
  custom: {
    50: '#958cc8',
    500: '#665fb0',
    950: '#000000',
  },
}

SCSS

$custom: #665fb0;
$custom-light: #958cc8;
$custom-dark: #000000;

JSON

{
  "hex": "#665fb0",
  "rgb": {
    "r": 102,
    "g": 95,
    "b": 176
  },
  "hsl": {
    "h": 245.185,
    "s": 33.891,
    "l": 53.137
  },
  "oklch": {
    "l": 0.53027,
    "c": 0.12428,
    "h": 285.3
  },
  "luminance": 0.14144
}

Semantic roles & 50–950 ramp

primary

#665FB0

secondary

#C4C7A4

accent

#CA5EC1

background

#F9F8FC

surface

#F2F0F8

border

#CCCBD1

text

#0E0C13

muted

#7E7D82

Preview Lab

Preview with #665FB0

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

Preview Lab → · Contrast checker → · Palette generator →