#6573E9#6573E9

#6573E9 is a mid, vivid blue. Relative luminance 0.209; OKLCH L 60.5% C 0.177 H 274.7°. Best body text is #000000 at 5.18:1 contrast (WCAG AA passes).

Color values

HEX	#6573E9
RGB	rgb(101, 115, 233)
HSL	hsl(234, 75%, 65%)
HSV	hsv(234, 57%, 91%)
CMYK	cmyk(56.7%, 50.6%, 0%, 8.6%)
CIE-LAB	lab(52.85, 28.64, -61.56)
CIE-LCH	lch(52.85, 67.90, 294.95°)
OKLab	oklab(60.46% 0.0146 -0.1761)
OKLCH	oklch(60.46% 0.177 274.7)
XYZ	xyz(26.2008, 20.9095, 79.7302)
Luminance	0.2091 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6573E9 #E9DB65

analogous

#65B5E9 #6573E9 #9965E9

triadic

#6573E9 #E96573 #73E965

tetradic

#6573E9 #E965B5 #E9DB65 #65E999

square

#6573E9 #E965B5 #E9DB65 #65E999

split-complementary

#6573E9 #E99965 #B5E965

monochromatic

#1A2BB9 #2F42E1 #6573E9 #9BA4F1 #D0D4F8

Accessibility & contrast

On white

4.05

#6573E9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.18

#6573E9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6573E9

5.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6573E9	#FFFFFF	#000000	##000000
##6573E9	1.00	4.05	5.18	5.18
#FFFFFF	4.05	1.00	21.00	21.00
#000000	5.18	21.00	1.00	1.00
##000000	5.18	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3384ED

Deuteranopia (green-blind)

#1979E7

Tritanopia (blue-blind)

#0E8EA3

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #6573e9;
/* rgb */ color: rgb(101, 115, 233);
/* oklch */ color: oklch(60.5% 0.177 274.7);

Tailwind

colors: {
  custom: {
    50: '#9b9bf1',
    500: '#6573e9',
    950: '#000000',
  },
}

SCSS

$custom: #6573e9;
$custom-light: #9b9bf1;
$custom-dark: #000000;

JSON

{
  "hex": "#6573e9",
  "rgb": {
    "r": 101,
    "g": 115,
    "b": 233
  },
  "hsl": {
    "h": 233.636,
    "s": 75,
    "l": 65.49
  },
  "oklch": {
    "l": 0.60458,
    "c": 0.17667,
    "h": 274.7
  },
  "luminance": 0.20911
}

Semantic roles & 50–950 ramp

primary

#6573E9

secondary

#EBE6BF

accent

#C20ED7

background

#FAF9FE

surface

#F4F2FD

border

#CECCD5

text

#0F0E17

muted

#7F7E85

Preview Lab

Preview with #6573E9

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

Preview Lab → · Contrast checker → · Palette generator →