#646CE7#646CE7

#646CE7 is a mid, vivid blue. Relative luminance 0.192; OKLCH L 59.0% C 0.183 H 276.4°. Best body text is #000000 at 4.84:1 contrast (WCAG AA passes).

Color values

HEX	#646CE7
RGB	rgb(100, 108, 231)
HSL	hsl(236, 73%, 65%)
HSV	hsv(236, 57%, 91%)
CMYK	cmyk(56.7%, 53.2%, 0%, 9.4%)
CIE-LAB	lab(50.92, 32.06, -63.55)
CIE-LCH	lch(50.92, 71.18, 296.77°)
OKLab	oklab(58.95% 0.0205 -0.182)
OKLCH	oklch(58.95% 0.183 276.4)
XYZ	xyz(25.0373, 19.2022, 77.9728)
Luminance	0.1920 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#646CE7 #E7DF64

analogous

#64ADE7 #646CE7 #9E64E7

triadic

#646CE7 #E7646C #6CE764

tetradic

#646CE7 #E764AD #E7DF64 #64E79E

square

#646CE7 #E764AD #E7DF64 #64E79E

split-complementary

#646CE7 #E79E64 #ADE764

monochromatic

#1C25B5 #2F3ADF #646CE7 #999EEF #CED1F7

Accessibility & contrast

On white

4.34

#646CE7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.84

#646CE7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #646CE7

4.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##646CE7	#FFFFFF	#000000	##000000
##646CE7	1.00	4.34	4.84	4.84
#FFFFFF	4.34	1.00	21.00	21.00
#000000	4.84	21.00	1.00	1.00
##000000	4.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F7FEB

Deuteranopia (green-blind)

#0074E4

Tritanopia (blue-blind)

#11889F

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #646ce7;
/* rgb */ color: rgb(100, 108, 231);
/* oklch */ color: oklch(59.0% 0.183 276.4);

Tailwind

colors: {
  custom: {
    50: '#9a96ef',
    500: '#646ce7',
    950: '#000000',
  },
}

SCSS

$custom: #646ce7;
$custom-light: #9a96ef;
$custom-dark: #000000;

JSON

{
  "hex": "#646ce7",
  "rgb": {
    "r": 100,
    "g": 108,
    "b": 231
  },
  "hsl": {
    "h": 236.336,
    "s": 73.184,
    "l": 64.902
  },
  "oklch": {
    "l": 0.58952,
    "c": 0.18315,
    "h": 276.4
  },
  "luminance": 0.19204
}

Semantic roles & 50–950 ramp

primary

#646CE7

secondary

#EAE7BD

accent

#C910D5

background

#FAF9FE

surface

#F4F1FD

border

#CECBD5

text

#0F0D17

muted

#7F7E85

Preview Lab

Preview with #646CE7

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

Preview Lab → · Contrast checker → · Palette generator →