#646EDA#646EDA

#646EDA is a mid, vivid blue. Relative luminance 0.189; OKLCH L 58.4% C 0.163 H 276.1°. Best body text is #000000 at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#646EDA
RGB	rgb(100, 110, 218)
HSL	hsl(235, 61%, 62%)
HSV	hsv(235, 54%, 85%)
CMYK	cmyk(54.1%, 49.5%, 0%, 14.5%)
CIE-LAB	lab(50.60, 26.69, -56.74)
CIE-LCH	lch(50.60, 62.71, 295.19°)
OKLab	oklab(58.44% 0.0175 -0.162)
OKLCH	oklch(58.44% 0.163 276.1)
XYZ	xyz(23.4823, 18.9216, 68.7309)
Luminance	0.1892 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#646EDA #DAD064

analogous

#64A9DA #646EDA #9564DA

triadic

#646EDA #DA646E #6EDA64

tetradic

#646EDA #DA64A9 #DAD064 #64DA95

square

#646EDA #DA64A9 #DAD064 #64DA95

split-complementary

#646EDA #DA9564 #A9DA64

monochromatic

#26309E #3340CE #646EDA #959CE6 #C7CAF2

Accessibility & contrast

On white

4.39

#646EDA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.78

#646EDA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #646EDA

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##646EDA	#FFFFFF	#000000	##000000
##646EDA	1.00	4.39	4.78	4.78
#FFFFFF	4.39	1.00	21.00	21.00
#000000	4.78	21.00	1.00	1.00
##000000	4.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#387DDE

Deuteranopia (green-blind)

#2874D8

Tritanopia (blue-blind)

#2A869A

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #646eda;
/* rgb */ color: rgb(100, 110, 218);
/* oklch */ color: oklch(58.4% 0.163 276.1);

Tailwind

colors: {
  custom: {
    50: '#9997e6',
    500: '#646eda',
    950: '#000000',
  },
}

SCSS

$custom: #646eda;
$custom-light: #9997e6;
$custom-dark: #000000;

JSON

{
  "hex": "#646eda",
  "rgb": {
    "r": 100,
    "g": 110,
    "b": 218
  },
  "hsl": {
    "h": 234.915,
    "s": 61.458,
    "l": 62.353
  },
  "oklch": {
    "l": 0.58442,
    "c": 0.16291,
    "h": 276.1
  },
  "luminance": 0.18923
}

Semantic roles & 50–950 ramp

primary

#646EDA

secondary

#E2DFB7

accent

#BB1CC9

background

#F9F9FE

surface

#F2F2FC

border

#CCCCD5

text

#0F0D16

muted

#7E7E84

Preview Lab

Preview with #646EDA

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

Preview Lab → · Contrast checker → · Palette generator →