#646DE7#646DE7

#646DE7 is a mid, vivid blue. Relative luminance 0.194; OKLCH L 59.1% C 0.182 H 276.1°. Best body text is #000000 at 4.88:1 contrast (WCAG AA passes).

Color values

HEX	#646DE7
RGB	rgb(100, 109, 231)
HSL	hsl(236, 73%, 65%)
HSV	hsv(236, 57%, 91%)
CMYK	cmyk(56.7%, 52.8%, 0%, 9.4%)
CIE-LAB	lab(51.17, 31.45, -63.15)
CIE-LCH	lch(51.17, 70.55, 296.47°)
OKLab	oklab(59.14% 0.0195 -0.1808)
OKLCH	oklch(59.14% 0.182 276.1)
XYZ	xyz(25.1433, 19.4143, 78.0082)
Luminance	0.1942 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#646DE7 #E7DE64

analogous

#64AEE7 #646DE7 #9D64E7

triadic

#646DE7 #E7646D #6DE764

tetradic

#646DE7 #E764AE #E7DE64 #64E79D

square

#646DE7 #E764AE #E7DE64 #64E79D

split-complementary

#646DE7 #E79D64 #AEE764

monochromatic

#1C26B5 #2F3BDF #646DE7 #999FEF #CED1F7

Accessibility & contrast

On white

4.30

#646DE7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.88

#646DE7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #646DE7

4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##646DE7	#FFFFFF	#000000	##000000
##646DE7	1.00	4.30	4.88	4.88
#FFFFFF	4.30	1.00	21.00	21.00
#000000	4.88	21.00	1.00	1.00
##000000	4.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#2380EB

Deuteranopia (green-blind)

#0075E4

Tritanopia (blue-blind)

#1189A0

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #646de7;
/* rgb */ color: rgb(100, 109, 231);
/* oklch */ color: oklch(59.1% 0.182 276.1);

Tailwind

colors: {
  custom: {
    50: '#9a96ef',
    500: '#646de7',
    950: '#000000',
  },
}

SCSS

$custom: #646de7;
$custom-light: #9a96ef;
$custom-dark: #000000;

JSON

{
  "hex": "#646de7",
  "rgb": {
    "r": 100,
    "g": 109,
    "b": 231
  },
  "hsl": {
    "h": 235.878,
    "s": 73.184,
    "l": 64.902
  },
  "oklch": {
    "l": 0.59136,
    "c": 0.18187,
    "h": 276.1
  },
  "luminance": 0.19416
}

Semantic roles & 50–950 ramp

primary

#646DE7

secondary

#EAE7BD

accent

#C810D5

background

#FAF9FE

surface

#F4F2FD

border

#CECCD5

text

#0F0D17

muted

#7F7E85

Preview Lab

Preview with #646DE7

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

Preview Lab → · Contrast checker → · Palette generator →