#665EBF#665EBF

#665EBF is a mid, vivid blue. Relative luminance 0.146; OKLCH L 53.8% C 0.147 H 284.0°. Best body text is #FFFFFF at 5.36:1 contrast (WCAG AA passes).

Color values

HEX	#665EBF
RGB	rgb(102, 94, 191)
HSL	hsl(245, 43%, 56%)
HSV	hsv(245, 51%, 75%)
CMYK	cmyk(46.6%, 50.8%, 0%, 25.1%)
CIE-LAB	lab(45.07, 28.53, -50.13)
CIE-LCH	lch(45.07, 57.68, 299.64°)
OKLab	oklab(53.79% 0.0356 -0.1426)
OKLCH	oklch(53.79% 0.147 284)
XYZ	xyz(18.8834, 14.5909, 51.1015)
Luminance	0.1459 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665EBF #B7BF5E

analogous

#5E86BF #665EBF #965EBF

triadic

#665EBF #BF665E #5EBF66

tetradic

#665EBF #BF5E86 #B7BF5E #5EBF96

square

#665EBF #BF5E86 #B7BF5E #5EBF96

split-complementary

#665EBF #BF965E #86BF5E

monochromatic

#342E74 #4840A0 #665EBF #908AD0 #B9B6E2

Accessibility & contrast

On white

5.36

#665EBF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.92

#665EBF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665EBF

5.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665EBF	#FFFFFF	#000000	##FFFFFF
##665EBF	1.00	5.36	3.92	5.36
#FFFFFF	5.36	1.00	21.00	1.00
#000000	3.92	21.00	1.00	21.00
##FFFFFF	5.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#326EC2

Deuteranopia (green-blind)

#2D68BD

Tritanopia (blue-blind)

#487385

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #665ebf;
/* rgb */ color: rgb(102, 94, 191);
/* oklch */ color: oklch(53.8% 0.147 284.0);

Tailwind

colors: {
  custom: {
    50: '#978bd3',
    500: '#665ebf',
    950: '#000000',
  },
}

SCSS

$custom: #665ebf;
$custom-light: #978bd3;
$custom-dark: #000000;

JSON

{
  "hex": "#665ebf",
  "rgb": {
    "r": 102,
    "g": 94,
    "b": 191
  },
  "hsl": {
    "h": 244.948,
    "s": 43.111,
    "l": 55.882
  },
  "oklch": {
    "l": 0.53788,
    "c": 0.14699,
    "h": 284
  },
  "luminance": 0.14592
}

Semantic roles & 50–950 ramp

primary

#665EBF

secondary

#CDD0A8

accent

#D355C8

background

#F9F8FD

surface

#F2F0FA

border

#CCCBD3

text

#0E0C14

muted

#7E7D83

Preview Lab

Preview with #665EBF

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

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