#6577F3#6577F3

#6577F3 is a mid, vivid blue. Relative luminance 0.224; OKLCH L 61.9% C 0.185 H 273.5°. Best body text is #000000 at 5.49:1 contrast (WCAG AA passes).

Color values

HEX	#6577F3
RGB	rgb(101, 119, 243)
HSL	hsl(232, 86%, 67%)
HSV	hsv(232, 58%, 95%)
CMYK	cmyk(58.4%, 51%, 0%, 4.7%)
CIE-LAB	lab(54.48, 29.44, -64.51)
CIE-LCH	lch(54.48, 70.91, 294.53°)
OKLab	oklab(61.89% 0.0114 -0.1847)
OKLCH	oklch(61.89% 0.185 273.5)
XYZ	xyz(28.1360, 22.4292, 87.6232)
Luminance	0.2243 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6577F3 #F3E165

analogous

#65BEF3 #6577F3 #9A65F3

triadic

#6577F3 #F36577 #77F365

tetradic

#6577F3 #F365BE #F3E165 #65F39A

square

#6577F3 #F365BE #F3E165 #65F39A

split-complementary

#6577F3 #F39A65 #BEF365

monochromatic

#1028CE #2C45EF #6577F3 #9EA9F7 #D7DBFC

Accessibility & contrast

On white

3.83

#6577F3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.49

#6577F3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6577F3

5.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6577F3	#FFFFFF	#000000	##000000
##6577F3	1.00	3.83	5.49	5.49
#FFFFFF	3.83	1.00	21.00	21.00
#000000	5.49	21.00	1.00	1.00
##000000	5.49	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3189F7

Deuteranopia (green-blind)

#077CF0

Tritanopia (blue-blind)

#0093AA

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #6577f3;
/* rgb */ color: rgb(101, 119, 243);
/* oklch */ color: oklch(61.9% 0.185 273.5);

Tailwind

colors: {
  custom: {
    50: '#9c9ef8',
    500: '#6577f3',
    950: '#000000',
  },
}

SCSS

$custom: #6577f3;
$custom-light: #9c9ef8;
$custom-dark: #000000;

JSON

{
  "hex": "#6577f3",
  "rgb": {
    "r": 101,
    "g": 119,
    "b": 243
  },
  "hsl": {
    "h": 232.394,
    "s": 85.542,
    "l": 67.451
  },
  "oklch": {
    "l": 0.61887,
    "c": 0.18506,
    "h": 273.5
  },
  "luminance": 0.22431
}

Semantic roles & 50–950 ramp

primary

#6577F3

secondary

#F0EAC4

accent

#C603E2

background

#FAF9FF

surface

#F4F2FF

border

#CECCD7

text

#0F0E17

muted

#7F7E85

Preview Lab

Preview with #6577F3

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

Preview Lab → · Contrast checker → · Palette generator →