#645DEE#645DEE

#645DEE is a mid, highly saturated blue. Relative luminance 0.167; OKLCH L 56.9% C 0.211 H 279.5°. Best body text is #FFFFFF at 4.84:1 contrast (WCAG AA passes).

Color values

HEX	#645DEE
RGB	rgb(100, 93, 238)
HSL	hsl(243, 81%, 65%)
HSV	hsv(243, 61%, 93%)
CMYK	cmyk(58%, 60.9%, 0%, 6.7%)
CIE-LAB	lab(47.89, 43.24, -72.40)
CIE-LCH	lch(47.89, 84.32, 300.85°)
OKLab	oklab(56.86% 0.0347 -0.2081)
OKLCH	oklch(56.86% 0.211 279.5)
XYZ	xyz(24.5976, 16.7093, 82.8014)
Luminance	0.1671 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#645DEE #E7EE5D

analogous

#5D9EEE #645DEE #AD5DEE

triadic

#645DEE #EE645D #5DEE64

tetradic

#645DEE #EE5D9E #E7EE5D #5DEEAD

square

#645DEE #EE5D9E #E7EE5D #5DEEAD

split-complementary

#645DEE #EEAD5D #9EEE5D

monochromatic

#1C14BD #2F26E8 #645DEE #9994F4 #CECCFA

Accessibility & contrast

On white

4.84

#645DEE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.34

#645DEE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #645DEE

4.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##645DEE	#FFFFFF	#000000	##FFFFFF
##645DEE	1.00	4.84	4.34	4.84
#FFFFFF	4.84	1.00	21.00	1.00
#000000	4.34	21.00	1.00	21.00
##FFFFFF	4.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0077F3

Deuteranopia (green-blind)

#006CEB

Tritanopia (blue-blind)

#00819D

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #645dee;
/* rgb */ color: rgb(100, 93, 238);
/* oklch */ color: oklch(56.9% 0.211 279.5);

Tailwind

colors: {
  custom: {
    50: '#9c8bf5',
    500: '#645dee',
    950: '#000000',
  },
}

SCSS

$custom: #645dee;
$custom-light: #9c8bf5;
$custom-dark: #000000;

JSON

{
  "hex": "#645dee",
  "rgb": {
    "r": 100,
    "g": 93,
    "b": 238
  },
  "hsl": {
    "h": 242.897,
    "s": 81.006,
    "l": 64.902
  },
  "oklch": {
    "l": 0.56861,
    "c": 0.211,
    "h": 279.5
  },
  "luminance": 0.16711
}

Semantic roles & 50–950 ramp

primary

#645DEE

secondary

#EAECBB

accent

#DD08D3

background

#FAF8FF

surface

#F4F0FE

border

#CECBD6

text

#0F0C17

muted

#7F7D85

Preview Lab

Preview with #645DEE

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

Preview Lab → · Contrast checker → · Palette generator →