#6573EC#6573EC

#6573EC is a mid, vivid blue. Relative luminance 0.211; OKLCH L 60.7% C 0.181 H 274.7°. Best body text is #000000 at 5.22:1 contrast (WCAG AA passes).

Color values

HEX	#6573EC
RGB	rgb(101, 115, 236)
HSL	hsl(234, 78%, 66%)
HSV	hsv(234, 57%, 93%)
CMYK	cmyk(57.2%, 51.3%, 0%, 7.5%)
CIE-LAB	lab(53.04, 29.60, -62.93)
CIE-LCH	lch(53.04, 69.55, 295.19°)
OKLab	oklab(60.66% 0.0148 -0.1801)
OKLCH	oklch(60.66% 0.181 274.7)
XYZ	xyz(26.6330, 21.0823, 82.0065)
Luminance	0.2108 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6573EC #ECDE65

analogous

#65B6EC #6573EC #9A65EC

triadic

#6573EC #EC6573 #73EC65

tetradic

#6573EC #EC65B6 #ECDE65 #65EC9A

square

#6573EC #EC65B6 #ECDE65 #65EC9A

split-complementary

#6573EC #EC9A65 #B6EC65

monochromatic

#1829BF #2F41E5 #6573EC #9BA5F3 #D2D6F9

Accessibility & contrast

On white

4.03

#6573EC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.22

#6573EC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6573EC

5.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6573EC	#FFFFFF	#000000	##000000
##6573EC	1.00	4.03	5.22	5.22
#FFFFFF	4.03	1.00	21.00	21.00
#000000	5.22	21.00	1.00	1.00
##000000	5.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F85F0

Deuteranopia (green-blind)

#0D79E9

Tritanopia (blue-blind)

#018FA5

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #6573ec;
/* rgb */ color: rgb(101, 115, 236);
/* oklch */ color: oklch(60.7% 0.181 274.7);

Tailwind

colors: {
  custom: {
    50: '#9b9bf3',
    500: '#6573ec',
    950: '#000000',
  },
}

SCSS

$custom: #6573ec;
$custom-light: #9b9bf3;
$custom-dark: #000000;

JSON

{
  "hex": "#6573ec",
  "rgb": {
    "r": 101,
    "g": 115,
    "b": 236
  },
  "hsl": {
    "h": 233.778,
    "s": 78.035,
    "l": 66.078
  },
  "oklch": {
    "l": 0.60661,
    "c": 0.18071,
    "h": 274.7
  },
  "luminance": 0.21084
}

Semantic roles & 50–950 ramp

primary

#6573EC

secondary

#EDE8C0

accent

#C50BDA

background

#FAF9FE

surface

#F4F2FD

border

#CECCD5

text

#0F0E17

muted

#7F7E85

Preview Lab

Preview with #6573EC

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

Preview Lab → · Contrast checker → · Palette generator →