#646FE5#646FE5

#646FE5 is a mid, vivid blue. Relative luminance 0.197; OKLCH L 59.4% C 0.177 H 275.6°. Best body text is #000000 at 4.95:1 contrast (WCAG AA passes).

Color values

HEX	#646FE5
RGB	rgb(100, 111, 229)
HSL	hsl(235, 71%, 65%)
HSV	hsv(235, 56%, 90%)
CMYK	cmyk(56.3%, 51.5%, 0%, 10.2%)
CIE-LAB	lab(51.53, 29.60, -61.44)
CIE-LCH	lch(51.53, 68.20, 295.72°)
OKLab	oklab(59.37% 0.0173 -0.1758)
OKLCH	oklch(59.37% 0.177 275.6)
XYZ	xyz(25.0783, 19.7336, 76.6010)
Luminance	0.1973 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#646FE5 #E5DA64

analogous

#64AFE5 #646FE5 #9A64E5

triadic

#646FE5 #E5646F #6FE564

tetradic

#646FE5 #E564AF #E5DA64 #64E59A

square

#646FE5 #E564AF #E5DA64 #64E59A

split-complementary

#646FE5 #E59A64 #AFE564

monochromatic

#1E2AB1 #303EDC #646FE5 #98A0EE #CDD0F7

Accessibility & contrast

On white

4.24

#646FE5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.95

#646FE5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #646FE5

4.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##646FE5	#FFFFFF	#000000	##000000
##646FE5	1.00	4.24	4.95	4.95
#FFFFFF	4.24	1.00	21.00	21.00
#000000	4.95	21.00	1.00	1.00
##000000	4.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D80E9

Deuteranopia (green-blind)

#1076E3

Tritanopia (blue-blind)

#158A9F

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #646fe5;
/* rgb */ color: rgb(100, 111, 229);
/* oklch */ color: oklch(59.4% 0.177 275.6);

Tailwind

colors: {
  custom: {
    50: '#9a98ee',
    500: '#646fe5',
    950: '#000000',
  },
}

SCSS

$custom: #646fe5;
$custom-light: #9a98ee;
$custom-dark: #000000;

JSON

{
  "hex": "#646fe5",
  "rgb": {
    "r": 100,
    "g": 111,
    "b": 229
  },
  "hsl": {
    "h": 234.884,
    "s": 71.271,
    "l": 64.51
  },
  "oklch": {
    "l": 0.5937,
    "c": 0.17661,
    "h": 275.6
  },
  "luminance": 0.19735
}

Semantic roles & 50–950 ramp

primary

#646FE5

secondary

#E9E5BC

accent

#C312D3

background

#FAF9FE

surface

#F3F2FD

border

#CDCCD5

text

#0F0D16

muted

#7F7E84

Preview Lab

Preview with #646FE5

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

Preview Lab → · Contrast checker → · Palette generator →