#646ECA#646ECA

#646ECA is a mid, vivid blue. Relative luminance 0.181; OKLCH L 57.4% C 0.141 H 276.4°. Best body text is #000000 at 4.63:1 contrast (WCAG AA passes).

Color values

HEX	#646ECA
RGB	rgb(100, 110, 202)
HSL	hsl(234, 49%, 59%)
HSV	hsv(234, 50%, 79%)
CMYK	cmyk(50.5%, 45.5%, 0%, 20.8%)
CIE-LAB	lab(49.65, 21.64, -49.16)
CIE-LCH	lch(49.65, 53.71, 293.76°)
OKLab	oklab(57.42% 0.0156 -0.1397)
OKLCH	oklch(57.42% 0.141 276.4)
XYZ	xyz(21.4888, 18.1242, 58.2317)
Luminance	0.1812 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#646ECA #CAC064

analogous

#64A1CA #646ECA #8D64CA

triadic

#646ECA #CA646E #6ECA64

tetradic

#646ECA #CA64A1 #CAC064 #64CA8D

square

#646ECA #CA64A1 #CAC064 #64CA8D

split-complementary

#646ECA #CA8D64 #A1CA64

monochromatic

#2E3686 #3D49B3 #646ECA #9299DA #BFC3E9

Accessibility & contrast

On white

4.54

#646ECA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.63

#646ECA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #646ECA

4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##646ECA	#FFFFFF	#000000	##000000
##646ECA	1.00	4.54	4.63	4.63
#FFFFFF	4.54	1.00	21.00	21.00
#000000	4.63	21.00	1.00	1.00
##000000	4.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#477ACD

Deuteranopia (green-blind)

#3D72C8

Tritanopia (blue-blind)

#3A8292

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #646eca;
/* rgb */ color: rgb(100, 110, 202);
/* oklch */ color: oklch(57.4% 0.141 276.4);

Tailwind

colors: {
  custom: {
    50: '#9697db',
    500: '#646eca',
    950: '#000000',
  },
}

SCSS

$custom: #646eca;
$custom-light: #9697db;
$custom-dark: #000000;

JSON

{
  "hex": "#646eca",
  "rgb": {
    "r": 100,
    "g": 110,
    "b": 202
  },
  "hsl": {
    "h": 234.118,
    "s": 49.038,
    "l": 59.216
  },
  "oklch": {
    "l": 0.57417,
    "c": 0.14054,
    "h": 276.4
  },
  "luminance": 0.18125
}

Semantic roles & 50–950 ramp

primary

#646ECA

secondary

#D9D5B1

accent

#CB4FD9

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0E0D15

muted

#7E7E83

Preview Lab

Preview with #646ECA

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

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