#646CE5#646CE5

#646CE5 is a mid, vivid blue. Relative luminance 0.191; OKLCH L 58.8% C 0.180 H 276.5°. Best body text is #000000 at 4.82:1 contrast (WCAG AA passes).

Color values

HEX	#646CE5
RGB	rgb(100, 108, 229)
HSL	hsl(236, 71%, 65%)
HSV	hsv(236, 56%, 90%)
CMYK	cmyk(56.3%, 52.8%, 0%, 10.2%)
CIE-LAB	lab(50.79, 31.42, -62.64)
CIE-LCH	lch(50.79, 70.07, 296.64°)
OKLab	oklab(58.81% 0.0204 -0.1793)
OKLCH	oklch(58.81% 0.18 276.5)
XYZ	xyz(24.7564, 19.0898, 76.4937)
Luminance	0.1909 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#646CE5 #E5DD64

analogous

#64ADE5 #646CE5 #9D64E5

triadic

#646CE5 #E5646C #6CE564

tetradic

#646CE5 #E564AD #E5DD64 #64E59D

square

#646CE5 #E564AD #E5DD64 #64E59D

split-complementary

#646CE5 #E59D64 #ADE564

monochromatic

#1E27B1 #303ADC #646CE5 #989EEE #CDCFF7

Accessibility & contrast

On white

4.36

#646CE5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.82

#646CE5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #646CE5

4.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##646CE5	#FFFFFF	#000000	##000000
##646CE5	1.00	4.36	4.82	4.82
#FFFFFF	4.36	1.00	21.00	21.00
#000000	4.82	21.00	1.00	1.00
##000000	4.82	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#237EE9

Deuteranopia (green-blind)

#0074E2

Tritanopia (blue-blind)

#17889E

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #646ce5;
/* rgb */ color: rgb(100, 108, 229);
/* oklch */ color: oklch(58.8% 0.180 276.5);

Tailwind

colors: {
  custom: {
    50: '#9a96ee',
    500: '#646ce5',
    950: '#000000',
  },
}

SCSS

$custom: #646ce5;
$custom-light: #9a96ee;
$custom-dark: #000000;

JSON

{
  "hex": "#646ce5",
  "rgb": {
    "r": 100,
    "g": 108,
    "b": 229
  },
  "hsl": {
    "h": 236.279,
    "s": 71.271,
    "l": 64.51
  },
  "oklch": {
    "l": 0.58812,
    "c": 0.18046,
    "h": 276.5
  },
  "luminance": 0.19092
}

Semantic roles & 50–950 ramp

primary

#646CE5

secondary

#E9E6BC

accent

#C712D3

background

#FAF9FE

surface

#F3F1FD

border

#CDCBD5

text

#0F0D16

muted

#7F7E84

Preview Lab

Preview with #646CE5

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

Preview Lab → · Contrast checker → · Palette generator →