#6573EB#6573EB

#6573EB is a mid, vivid blue. Relative luminance 0.210; OKLCH L 60.6% C 0.179 H 274.7°. Best body text is #000000 at 5.21:1 contrast (WCAG AA passes).

Color values

HEX	#6573EB
RGB	rgb(101, 115, 235)
HSL	hsl(234, 77%, 66%)
HSV	hsv(234, 57%, 92%)
CMYK	cmyk(57%, 51.1%, 0%, 7.8%)
CIE-LAB	lab(52.98, 29.28, -62.48)
CIE-LCH	lch(52.98, 69.00, 295.11°)
OKLab	oklab(60.59% 0.0148 -0.1787)
OKLCH	oklch(60.59% 0.179 274.7)
XYZ	xyz(26.4881, 21.0244, 81.2434)
Luminance	0.2103 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6573EB #EBDD65

analogous

#65B6EB #6573EB #9A65EB

triadic

#6573EB #EB6573 #73EB65

tetradic

#6573EB #EB65B6 #EBDD65 #65EB9A

square

#6573EB #EB65B6 #EBDD65 #65EB9A

split-complementary

#6573EB #EB9A65 #B6EB65

monochromatic

#192ABD #2F42E4 #6573EB #9BA4F2 #D1D5F9

Accessibility & contrast

On white

4.03

#6573EB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.21

#6573EB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6573EB

5.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6573EB	#FFFFFF	#000000	##000000
##6573EB	1.00	4.03	5.21	5.21
#FFFFFF	4.03	1.00	21.00	21.00
#000000	5.21	21.00	1.00	1.00
##000000	5.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3084EF

Deuteranopia (green-blind)

#1279E8

Tritanopia (blue-blind)

#068EA4

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #6573eb;
/* rgb */ color: rgb(101, 115, 235);
/* oklch */ color: oklch(60.6% 0.179 274.7);

Tailwind

colors: {
  custom: {
    50: '#9b9bf2',
    500: '#6573eb',
    950: '#000000',
  },
}

SCSS

$custom: #6573eb;
$custom-light: #9b9bf2;
$custom-dark: #000000;

JSON

{
  "hex": "#6573eb",
  "rgb": {
    "r": 101,
    "g": 115,
    "b": 235
  },
  "hsl": {
    "h": 233.731,
    "s": 77.011,
    "l": 65.882
  },
  "oklch": {
    "l": 0.60593,
    "c": 0.17936,
    "h": 274.7
  },
  "luminance": 0.21026
}

Semantic roles & 50–950 ramp

primary

#6573EB

secondary

#ECE7C0

accent

#C40CD9

background

#FAF9FE

surface

#F4F2FD

border

#CECCD5

text

#0F0E17

muted

#7F7E85

Preview Lab

Preview with #6573EB

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

Preview Lab → · Contrast checker → · Palette generator →