#6557EF#6557EF

#6557EF is a mid, highly saturated blue. Relative luminance 0.158; OKLCH L 56.1% C 0.219 H 280.8°. Best body text is #FFFFFF at 5.04:1 contrast (WCAG AA passes).

Color values

HEX	#6557EF
RGB	rgb(101, 87, 239)
HSL	hsl(246, 83%, 64%)
HSV	hsv(246, 64%, 94%)
CMYK	cmyk(57.7%, 63.6%, 0%, 6.3%)
CIE-LAB	lab(46.73, 47.18, -74.85)
CIE-LCH	lch(46.73, 88.48, 302.22°)
OKLab	oklab(56.05% 0.0411 -0.2153)
OKLCH	oklch(56.05% 0.219 280.8)
XYZ	xyz(24.3501, 15.8134, 83.4138)
Luminance	0.1582 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6557EF #E1EF57

analogous

#5795EF #6557EF #B157EF

triadic

#6557EF #EF6557 #57EF65

tetradic

#6557EF #EF5795 #E1EF57 #57EFB1

square

#6557EF #EF5795 #E1EF57 #57EFB1

split-complementary

#6557EF #EFB157 #95EF57

monochromatic

#2112BA #321FEA #6557EF #988FF4 #CBC7FA

Accessibility & contrast

On white

5.04

#6557EF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.16

#6557EF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6557EF

5.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6557EF	#FFFFFF	#000000	##FFFFFF
##6557EF	1.00	5.04	4.16	5.04
#FFFFFF	5.04	1.00	21.00	1.00
#000000	4.16	21.00	1.00	21.00
##FFFFFF	5.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0074F4

Deuteranopia (green-blind)

#0069EC

Tritanopia (blue-blind)

#067D9B

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #6557ef;
/* rgb */ color: rgb(101, 87, 239);
/* oklch */ color: oklch(56.1% 0.219 280.8);

Tailwind

colors: {
  custom: {
    50: '#9e87f5',
    500: '#6557ef',
    950: '#000000',
  },
}

SCSS

$custom: #6557ef;
$custom-light: #9e87f5;
$custom-dark: #000000;

JSON

{
  "hex": "#6557ef",
  "rgb": {
    "r": 101,
    "g": 87,
    "b": 239
  },
  "hsl": {
    "h": 245.526,
    "s": 82.609,
    "l": 63.922
  },
  "oklch": {
    "l": 0.56054,
    "c": 0.21921,
    "h": 280.8
  },
  "luminance": 0.15815
}

Semantic roles & 50–950 ramp

primary

#6557EF

secondary

#E7ECB6

accent

#DF06CB

background

#FAF8FF

surface

#F4F0FF

border

#CECBD7

text

#100B17

muted

#7F7C85

Preview Lab

Preview with #6557EF

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

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