#657EE0#657EE0

#657EE0 is a light, vivid blue. Relative luminance 0.231; OKLCH L 62.0% C 0.150 H 270.7°. Best body text is #000000 at 5.61:1 contrast (WCAG AA passes).

Color values

HEX	#657EE0
RGB	rgb(101, 126, 224)
HSL	hsl(228, 66%, 64%)
HSV	hsv(228, 55%, 88%)
CMYK	cmyk(54.9%, 43.7%, 0%, 12.2%)
CIE-LAB	lab(55.14, 19.08, -52.84)
CIE-LCH	lch(55.14, 56.18, 289.85°)
OKLab	oklab(62.03% 0.0019 -0.1503)
OKLCH	oklch(62.03% 0.15 270.7)
XYZ	xyz(26.2778, 23.0683, 73.5745)
Luminance	0.2307 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657EE0 #E0C765

analogous

#65BBE0 #657EE0 #8965E0

triadic

#657EE0 #E0657E #7EE065

tetradic

#657EE0 #E065BB #E0C765 #65E089

square

#657EE0 #E065BB #E0C765 #65E089

split-complementary

#657EE0 #E08965 #BBE065

monochromatic

#223DA9 #3253D6 #657EE0 #98A9EA #CBD3F5

Accessibility & contrast

On white

3.74

#657EE0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.61

#657EE0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657EE0

5.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657EE0	#FFFFFF	#000000	##000000
##657EE0	1.00	3.74	5.61	5.61
#FFFFFF	3.74	1.00	21.00	21.00
#000000	5.61	21.00	1.00	1.00
##000000	5.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#538AE4

Deuteranopia (green-blind)

#447FDE

Tritanopia (blue-blind)

#2094A4

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #657ee0;
/* rgb */ color: rgb(101, 126, 224);
/* oklch */ color: oklch(62.0% 0.150 270.7);

Tailwind

colors: {
  custom: {
    50: '#99a3ea',
    500: '#657ee0',
    950: '#000000',
  },
}

SCSS

$custom: #657ee0;
$custom-light: #99a3ea;
$custom-dark: #000000;

JSON

{
  "hex": "#657ee0",
  "rgb": {
    "r": 101,
    "g": 126,
    "b": 224
  },
  "hsl": {
    "h": 227.805,
    "s": 66.486,
    "l": 63.725
  },
  "oklch": {
    "l": 0.62027,
    "c": 0.15035,
    "h": 270.7
  },
  "luminance": 0.2307
}

Semantic roles & 50–950 ramp

primary

#657EE0

secondary

#E6DDBB

accent

#A917CE

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0F0F16

muted

#7E7E84

Preview Lab

Preview with #657EE0

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

Preview Lab → · Contrast checker → · Palette generator →