#6577F4#6577F4

#6577F4 is a mid, vivid blue. Relative luminance 0.225; OKLCH L 62.0% C 0.186 H 273.5°. Best body text is #000000 at 5.50:1 contrast (WCAG AA passes).

Color values

HEX	#6577F4
RGB	rgb(101, 119, 244)
HSL	hsl(232, 87%, 68%)
HSV	hsv(232, 59%, 96%)
CMYK	cmyk(58.6%, 51.2%, 0%, 4.3%)
CIE-LAB	lab(54.54, 29.76, -64.97)
CIE-LCH	lch(54.54, 71.46, 294.61°)
OKLab	oklab(61.96% 0.0115 -0.186)
OKLCH	oklch(61.96% 0.186 273.5)
XYZ	xyz(28.2874, 22.4898, 88.4207)
Luminance	0.2249 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6577F4 #F4E265

analogous

#65BEF4 #6577F4 #9B65F4

triadic

#6577F4 #F46577 #77F465

tetradic

#6577F4 #F465BE #F4E265 #65F49B

square

#6577F4 #F465BE #F4E265 #65F49B

split-complementary

#6577F4 #F49B65 #BEF465

monochromatic

#0F27D0 #2C45F0 #6577F4 #9EA9F8 #D7DCFC

Accessibility & contrast

On white

3.82

#6577F4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.50

#6577F4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6577F4

5.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6577F4	#FFFFFF	#000000	##000000
##6577F4	1.00	3.82	5.50	5.50
#FFFFFF	3.82	1.00	21.00	21.00
#000000	5.50	21.00	1.00	1.00
##000000	5.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F89F8

Deuteranopia (green-blind)

#017DF1

Tritanopia (blue-blind)

#0094AA

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #6577f4;
/* rgb */ color: rgb(101, 119, 244);
/* oklch */ color: oklch(62.0% 0.186 273.5);

Tailwind

colors: {
  custom: {
    50: '#9c9ef8',
    500: '#6577f4',
    950: '#000000',
  },
}

SCSS

$custom: #6577f4;
$custom-light: #9c9ef8;
$custom-dark: #000000;

JSON

{
  "hex": "#6577f4",
  "rgb": {
    "r": 101,
    "g": 119,
    "b": 244
  },
  "hsl": {
    "h": 232.448,
    "s": 86.667,
    "l": 67.647
  },
  "oklch": {
    "l": 0.61955,
    "c": 0.18639,
    "h": 273.5
  },
  "luminance": 0.22492
}

Semantic roles & 50–950 ramp

primary

#6577F4

secondary

#F1EBC4

accent

#C702E3

background

#FAF9FF

surface

#F4F2FF

border

#CECCD7

text

#0F0E17

muted

#7F7E85

Preview Lab

Preview with #6577F4

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

Preview Lab → · Contrast checker → · Palette generator →