#6364EC#6364EC

#6364EC is a mid, highly saturated blue. Relative luminance 0.178; OKLCH L 57.8% C 0.200 H 277.8°. Best body text is #FFFFFF at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#6364EC
RGB	rgb(99, 100, 236)
HSL	hsl(240, 78%, 66%)
HSV	hsv(240, 58%, 93%)
CMYK	cmyk(58.1%, 57.6%, 0%, 7.5%)
CIE-LAB	lab(49.28, 38.29, -69.02)
CIE-LCH	lch(49.28, 78.93, 299.02°)
OKLab	oklab(57.82% 0.0272 -0.1982)
OKLCH	oklch(57.82% 0.2 277.8)
XYZ	xyz(24.8382, 17.8213, 81.4716)
Luminance	0.1782 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6364EC #ECEB63

analogous

#63A8EC #6364EC #A663EC

triadic

#6364EC #EC6364 #64EC63

tetradic

#6364EC #EC63A8 #ECEB63 #63ECA6

square

#6364EC #EC63A8 #ECEB63 #63ECA6

split-complementary

#6364EC #ECA663 #A8EC63

monochromatic

#1718BE #2C2EE5 #6364EC #9A9AF3 #D0D0F9

Accessibility & contrast

On white

4.60

#6364EC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.56

#6364EC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #6364EC

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6364EC	#FFFFFF	#000000	##FFFFFF
##6364EC	1.00	4.60	4.56	4.60
#FFFFFF	4.60	1.00	21.00	1.00
#000000	4.56	21.00	1.00	21.00
##FFFFFF	4.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#007BF1

Deuteranopia (green-blind)

#006FE9

Tritanopia (blue-blind)

#00859E

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #6364ec;
/* rgb */ color: rgb(99, 100, 236);
/* oklch */ color: oklch(57.8% 0.200 277.8);

Tailwind

colors: {
  custom: {
    50: '#9b90f3',
    500: '#6364ec',
    950: '#000000',
  },
}

SCSS

$custom: #6364ec;
$custom-light: #9b90f3;
$custom-dark: #000000;

JSON

{
  "hex": "#6364ec",
  "rgb": {
    "r": 99,
    "g": 100,
    "b": 236
  },
  "hsl": {
    "h": 239.562,
    "s": 78.286,
    "l": 65.686
  },
  "oklch": {
    "l": 0.57819,
    "c": 0.20004,
    "h": 277.8
  },
  "luminance": 0.17823
}

Semantic roles & 50–950 ramp

primary

#6364EC

secondary

#ECECBF

accent

#D90BDB

background

#FAF8FF

surface

#F4F0FE

border

#CECBD6

text

#0F0C17

muted

#7F7D85

Preview Lab

Preview with #6364EC

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

Preview Lab → · Contrast checker → · Palette generator →