#6573EF#6573EF

#6573EF is a mid, vivid blue. Relative luminance 0.213; OKLCH L 60.9% C 0.185 H 274.7°. Best body text is #000000 at 5.25:1 contrast (WCAG AA passes).

Color values

HEX	#6573EF
RGB	rgb(101, 115, 239)
HSL	hsl(234, 81%, 67%)
HSV	hsv(234, 58%, 94%)
CMYK	cmyk(57.7%, 51.9%, 0%, 6.3%)
CIE-LAB	lab(53.23, 30.57, -64.30)
CIE-LCH	lch(53.23, 71.20, 295.43°)
OKLab	oklab(60.87% 0.0151 -0.1841)
OKLCH	oklch(60.87% 0.185 274.7)
XYZ	xyz(27.0725, 21.2581, 84.3212)
Luminance	0.2126 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6573EF #EFE165

analogous

#65B8EF #6573EF #9C65EF

triadic

#6573EF #EF6573 #73EF65

tetradic

#6573EF #EF65B8 #EFE165 #65EF9C

square

#6573EF #EF65B8 #EFE165 #65EF9C

split-complementary

#6573EF #EF9C65 #B8EF65

monochromatic

#1426C5 #2E41E9 #6573EF #9CA5F5 #D4D8FB

Accessibility & contrast

On white

4.00

#6573EF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.25

#6573EF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6573EF

5.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6573EF	#FFFFFF	#000000	##000000
##6573EF	1.00	4.00	5.25	5.25
#FFFFFF	4.00	1.00	21.00	21.00
#000000	5.25	21.00	1.00	1.00
##000000	5.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A85F3

Deuteranopia (green-blind)

#0079EC

Tritanopia (blue-blind)

#008FA6

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #6573ef;
/* rgb */ color: rgb(101, 115, 239);
/* oklch */ color: oklch(60.9% 0.185 274.7);

Tailwind

colors: {
  custom: {
    50: '#9c9bf5',
    500: '#6573ef',
    950: '#000000',
  },
}

SCSS

$custom: #6573ef;
$custom-light: #9c9bf5;
$custom-dark: #000000;

JSON

{
  "hex": "#6573ef",
  "rgb": {
    "r": 101,
    "g": 115,
    "b": 239
  },
  "hsl": {
    "h": 233.913,
    "s": 81.176,
    "l": 66.667
  },
  "oklch": {
    "l": 0.60866,
    "c": 0.18473,
    "h": 274.7
  },
  "luminance": 0.2126
}

Semantic roles & 50–950 ramp

primary

#6573EF

secondary

#EEEAC2

accent

#C808DE

background

#FAF9FF

surface

#F4F2FE

border

#CECCD6

text

#0F0E17

muted

#7F7E85

Preview Lab

Preview with #6573EF

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

Preview Lab → · Contrast checker → · Palette generator →