#646EBE#646EBE

#646EBE is a mid, vivid blue. Relative luminance 0.176; OKLCH L 56.7% C 0.123 H 276.3°. Best body text is #FFFFFF at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#646EBE
RGB	rgb(100, 110, 190)
HSL	hsl(233, 41%, 57%)
HSV	hsv(233, 47%, 75%)
CMYK	cmyk(47.4%, 42.1%, 0%, 25.5%)
CIE-LAB	lab(48.98, 17.92, -43.33)
CIE-LCH	lch(48.98, 46.88, 292.47°)
OKLab	oklab(56.69% 0.0136 -0.1226)
OKLCH	oklch(56.69% 0.123 276.3)
XYZ	xyz(20.1229, 17.5778, 51.0377)
Luminance	0.1758 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#646EBE #BEB464

analogous

#649BBE #646EBE #8764BE

triadic

#646EBE #BE646E #6EBE64

tetradic

#646EBE #BE649B #BEB464 #64BE87

square

#646EBE #BE649B #BEB464 #64BE87

split-complementary

#646EBE #BE8764 #9BBE64

monochromatic

#323976 #444EA1 #646EBE #8F96D0 #BABFE2

Accessibility & contrast

On white

4.65

#646EBE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.52

#646EBE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #646EBE

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##646EBE	#FFFFFF	#000000	##FFFFFF
##646EBE	1.00	4.65	4.52	4.65
#FFFFFF	4.65	1.00	21.00	1.00
#000000	4.52	21.00	1.00	21.00
##FFFFFF	4.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F78C1

Deuteranopia (green-blind)

#4771BC

Tritanopia (blue-blind)

#437F8D

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #646ebe;
/* rgb */ color: rgb(100, 110, 190);
/* oklch */ color: oklch(56.7% 0.123 276.3);

Tailwind

colors: {
  custom: {
    50: '#9597d2',
    500: '#646ebe',
    950: '#000000',
  },
}

SCSS

$custom: #646ebe;
$custom-light: #9597d2;
$custom-dark: #000000;

JSON

{
  "hex": "#646ebe",
  "rgb": {
    "r": 100,
    "g": 110,
    "b": 190
  },
  "hsl": {
    "h": 233.333,
    "s": 40.909,
    "l": 56.863
  },
  "oklch": {
    "l": 0.56693,
    "c": 0.12335,
    "h": 276.3
  },
  "luminance": 0.17579
}

Semantic roles & 50–950 ramp

primary

#646EBE

secondary

#D1CDAD

accent

#C357D1

background

#F9F9FC

surface

#F2F2F9

border

#CCCCD2

text

#0E0D14

muted

#7E7E82

Preview Lab

Preview with #646EBE

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

Preview Lab → · Contrast checker → · Palette generator →