#6657D9#6657D9

#6657D9 is a mid, vivid blue. Relative luminance 0.147; OKLCH L 54.4% C 0.191 H 283.2°. Best body text is #FFFFFF at 5.34:1 contrast (WCAG AA passes).

Color values

HEX	#6657D9
RGB	rgb(102, 87, 217)
HSL	hsl(247, 63%, 60%)
HSV	hsv(247, 60%, 85%)
CMYK	cmyk(53%, 59.9%, 0%, 14.9%)
CIE-LAB	lab(45.15, 40.64, -64.96)
CIE-LCH	lch(45.15, 76.62, 302.03°)
OKLab	oklab(54.4% 0.0438 -0.1862)
OKLCH	oklch(54.4% 0.191 283.2)
XYZ	xyz(21.4083, 14.6497, 67.3318)
Luminance	0.1465 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6657D9 #CAD957

analogous

#5789D9 #6657D9 #A757D9

triadic

#6657D9 #D96657 #57D966

tetradic

#6657D9 #D95789 #CAD957 #57D9A7

square

#6657D9 #D95789 #CAD957 #57D9A7

split-complementary

#6657D9 #D9A757 #89D957

monochromatic

#2F2194 #3E2DC6 #6657D9 #9389E4 #C1BBF0

Accessibility & contrast

On white

5.34

#6657D9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.93

#6657D9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6657D9

5.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6657D9	#FFFFFF	#000000	##FFFFFF
##6657D9	1.00	5.34	3.93	5.34
#FFFFFF	5.34	1.00	21.00	1.00
#000000	3.93	21.00	1.00	21.00
##FFFFFF	5.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006FDD

Deuteranopia (green-blind)

#0066D6

Tritanopia (blue-blind)

#357690

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #6657d9;
/* rgb */ color: rgb(102, 87, 217);
/* oklch */ color: oklch(54.4% 0.191 283.2);

Tailwind

colors: {
  custom: {
    50: '#9b87e6',
    500: '#6657d9',
    950: '#000000',
  },
}

SCSS

$custom: #6657d9;
$custom-light: #9b87e6;
$custom-dark: #000000;

JSON

{
  "hex": "#6657d9",
  "rgb": {
    "r": 102,
    "g": 87,
    "b": 217
  },
  "hsl": {
    "h": 246.923,
    "s": 63.107,
    "l": 59.608
  },
  "oklch": {
    "l": 0.54403,
    "c": 0.19133,
    "h": 283.2
  },
  "luminance": 0.14651
}

Semantic roles & 50–950 ramp

primary

#6657D9

secondary

#D9DFAD

accent

#E642D3

background

#FAF8FE

surface

#F3EFFC

border

#CDCAD5

text

#0F0B16

muted

#7F7C84

Preview Lab

Preview with #6657D9

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

Preview Lab → · Contrast checker → · Palette generator →