#646FEE#646FEE

#646FEE is a mid, vivid blue. Relative luminance 0.203; OKLCH L 60.0% C 0.189 H 275.4°. Best body text is #000000 at 5.05:1 contrast (WCAG AA passes).

Color values

HEX	#646FEE
RGB	rgb(100, 111, 238)
HSL	hsl(235, 80%, 66%)
HSV	hsv(235, 58%, 93%)
CMYK	cmyk(58%, 53.4%, 0%, 6.7%)
CIE-LAB	lab(52.12, 32.49, -65.54)
CIE-LCH	lch(52.12, 73.15, 296.37°)
OKLab	oklab(59.99% 0.0178 -0.1878)
OKLCH	oklch(59.99% 0.189 275.4)
XYZ	xyz(26.3676, 20.2493, 83.3914)
Luminance	0.2025 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#646FEE #EEE364

analogous

#64B4EE #646FEE #9E64EE

triadic

#646FEE #EE646F #6FEE64

tetradic

#646FEE #EE64B4 #EEE364 #64EE9E

square

#646FEE #EE64B4 #EEE364 #64EE9E

split-complementary

#646FEE #EE9E64 #B4EE64

monochromatic

#1523C2 #2D3CE8 #646FEE #9BA2F4 #D2D5FA

Accessibility & contrast

On white

4.16

#646FEE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.05

#646FEE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #646FEE

5.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##646FEE	#FFFFFF	#000000	##000000
##646FEE	1.00	4.16	5.05	5.05
#FFFFFF	4.16	1.00	21.00	21.00
#000000	5.05	21.00	1.00	1.00
##000000	5.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C82F2

Deuteranopia (green-blind)

#0077EB

Tritanopia (blue-blind)

#008CA4

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #646fee;
/* rgb */ color: rgb(100, 111, 238);
/* oklch */ color: oklch(60.0% 0.189 275.4);

Tailwind

colors: {
  custom: {
    50: '#9b98f4',
    500: '#646fee',
    950: '#000000',
  },
}

SCSS

$custom: #646fee;
$custom-light: #9b98f4;
$custom-dark: #000000;

JSON

{
  "hex": "#646fee",
  "rgb": {
    "r": 100,
    "g": 111,
    "b": 238
  },
  "hsl": {
    "h": 235.217,
    "s": 80.233,
    "l": 66.275
  },
  "oklch": {
    "l": 0.59994,
    "c": 0.18868,
    "h": 275.4
  },
  "luminance": 0.20251
}

Semantic roles & 50–950 ramp

primary

#646FEE

secondary

#EDEAC0

accent

#CC09DD

background

#FAF9FF

surface

#F4F2FE

border

#CECCD6

text

#0F0D17

muted

#7F7E85

Preview Lab

Preview with #646FEE

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

Preview Lab → · Contrast checker → · Palette generator →