#6657DD#6657DD

#6657DD is a mid, vivid blue. Relative luminance 0.149; OKLCH L 54.7% C 0.196 H 282.8°. Best body text is #FFFFFF at 5.29:1 contrast (WCAG AA passes).

Color values

HEX	#6657DD
RGB	rgb(102, 87, 221)
HSL	hsl(247, 66%, 60%)
HSV	hsv(247, 61%, 87%)
CMYK	cmyk(53.8%, 60.6%, 0%, 13.3%)
CIE-LAB	lab(45.44, 41.85, -66.77)
CIE-LCH	lch(45.44, 78.80, 302.08°)
OKLab	oklab(54.71% 0.0436 -0.1915)
OKLCH	oklch(54.71% 0.196 282.8)
XYZ	xyz(21.9348, 14.8603, 70.1051)
Luminance	0.1486 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6657DD #CEDD57

analogous

#578BDD #6657DD #A957DD

triadic

#6657DD #DD6657 #57DD66

tetradic

#6657DD #DD578B #CEDD57 #57DDA9

square

#6657DD #DD578B #CEDD57 #57DDA9

split-complementary

#6657DD #DDA957 #8BDD57

monochromatic

#2D1F9A #3C2ACD #6657DD #948AE7 #C3BDF2

Accessibility & contrast

On white

5.29

#6657DD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.97

#6657DD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6657DD

5.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6657DD	#FFFFFF	#000000	##FFFFFF
##6657DD	1.00	5.29	3.97	5.29
#FFFFFF	5.29	1.00	21.00	1.00
#000000	3.97	21.00	1.00	21.00
##FFFFFF	5.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0070E1

Deuteranopia (green-blind)

#0067DA

Tritanopia (blue-blind)

#317792

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #6657dd;
/* rgb */ color: rgb(102, 87, 221);
/* oklch */ color: oklch(54.7% 0.196 282.8);

Tailwind

colors: {
  custom: {
    50: '#9b87e8',
    500: '#6657dd',
    950: '#000000',
  },
}

SCSS

$custom: #6657dd;
$custom-light: #9b87e8;
$custom-dark: #000000;

JSON

{
  "hex": "#6657dd",
  "rgb": {
    "r": 102,
    "g": 87,
    "b": 221
  },
  "hsl": {
    "h": 246.716,
    "s": 66.337,
    "l": 60.392
  },
  "oklch": {
    "l": 0.54708,
    "c": 0.19646,
    "h": 282.8
  },
  "luminance": 0.14862
}

Semantic roles & 50–950 ramp

primary

#6657DD

secondary

#DCE1AE

accent

#CE17BA

background

#FAF8FE

surface

#F4EFFD

border

#CECAD5

text

#0F0B16

muted

#7F7C84

Preview Lab

Preview with #6657DD

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

Preview Lab → · Contrast checker → · Palette generator →