#6557FF#6557FF

#6557FF is a mid, highly saturated blue. Relative luminance 0.168; OKLCH L 57.4% C 0.239 H 279.5°. Best body text is #FFFFFF at 4.82:1 contrast (WCAG AA passes).

Color values

HEX	#6557FF
RGB	rgb(101, 87, 255)
HSL	hsl(245, 100%, 67%)
HSV	hsv(245, 66%, 100%)
CMYK	cmyk(60.4%, 65.9%, 0%, 0%)
CIE-LAB	lab(48.01, 52.05, -81.70)
CIE-LCH	lch(48.01, 96.87, 302.50°)
OKLab	oklab(57.38% 0.0393 -0.2354)
OKLCH	oklch(57.38% 0.239 279.5)
XYZ	xyz(26.8193, 16.8011, 96.4180)
Luminance	0.1680 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6557FF #F1FF57

analogous

#579DFF #6557FF #B957FF

triadic

#6557FF #FF6557 #57FF65

tetradic

#6557FF #FF579D #F1FF57 #57FFB9

square

#6557FF #FF579D #F1FF57 #57FFB9

split-complementary

#6557FF #FFB957 #9DFF57

monochromatic

#1200DC #2D1AFF #6557FF #9D94FF #D5D1FF

Accessibility & contrast

On white

4.82

#6557FF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.36

#6557FF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6557FF

4.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6557FF	#FFFFFF	#000000	##FFFFFF
##6557FF	1.00	4.82	4.36	4.82
#FFFFFF	4.82	1.00	21.00	1.00
#000000	4.36	21.00	1.00	21.00
##FFFFFF	4.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0078FF

Deuteranopia (green-blind)

#006BFC

Tritanopia (blue-blind)

#0083A4

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #6557ff;
/* rgb */ color: rgb(101, 87, 255);
/* oklch */ color: oklch(57.4% 0.239 279.5);

Tailwind

colors: {
  custom: {
    50: '#a088ff',
    500: '#6557ff',
    950: '#000000',
  },
}

SCSS

$custom: #6557ff;
$custom-light: #a088ff;
$custom-dark: #000000;

JSON

{
  "hex": "#6557ff",
  "rgb": {
    "r": 101,
    "g": 87,
    "b": 255
  },
  "hsl": {
    "h": 245,
    "s": 100,
    "l": 67.059
  },
  "oklch": {
    "l": 0.57378,
    "c": 0.23868,
    "h": 279.5
  },
  "luminance": 0.16803
}

Semantic roles & 50–950 ramp

primary

#6557FF

secondary

#EFF4BE

accent

#E600D2

background

#FAF8FF

surface

#F4F0FF

border

#CECBD7

text

#100B18

muted

#7F7C86

Preview Lab

Preview with #6557FF

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

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