#657EE3#657EE3

#657EE3 is a light, vivid blue. Relative luminance 0.232; OKLCH L 62.2% C 0.154 H 270.9°. Best body text is #000000 at 5.65:1 contrast (WCAG AA passes).

Color values

HEX	#657EE3
RGB	rgb(101, 126, 227)
HSL	hsl(228, 69%, 64%)
HSV	hsv(228, 56%, 89%)
CMYK	cmyk(55.5%, 44.5%, 0%, 11%)
CIE-LAB	lab(55.31, 20.04, -54.26)
CIE-LCH	lch(55.31, 57.84, 290.27°)
OKLab	oklab(62.21% 0.0024 -0.1545)
OKLCH	oklch(62.21% 0.155 270.9)
XYZ	xyz(26.6882, 23.2325, 75.7361)
Luminance	0.2323 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657EE3 #E3CA65

analogous

#65BDE3 #657EE3 #8B65E3

triadic

#657EE3 #E3657E #7EE365

tetradic

#657EE3 #E365BD #E3CA65 #65E38B

square

#657EE3 #E365BD #E3CA65 #65E38B

split-complementary

#657EE3 #E38B65 #BDE365

monochromatic

#203CAE #3153DA #657EE3 #99A9EC #CDD5F6

Accessibility & contrast

On white

3.72

#657EE3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.65

#657EE3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657EE3

5.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657EE3	#FFFFFF	#000000	##000000
##657EE3	1.00	3.72	5.65	5.65
#FFFFFF	3.72	1.00	21.00	21.00
#000000	5.65	21.00	1.00	1.00
##000000	5.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#518AE7

Deuteranopia (green-blind)

#417FE1

Tritanopia (blue-blind)

#1A94A5

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #657ee3;
/* rgb */ color: rgb(101, 126, 227);
/* oklch */ color: oklch(62.2% 0.154 270.9);

Tailwind

colors: {
  custom: {
    50: '#9aa3ec',
    500: '#657ee3',
    950: '#000000',
  },
}

SCSS

$custom: #657ee3;
$custom-light: #9aa3ec;
$custom-dark: #000000;

JSON

{
  "hex": "#657ee3",
  "rgb": {
    "r": 101,
    "g": 126,
    "b": 227
  },
  "hsl": {
    "h": 228.095,
    "s": 69.231,
    "l": 64.314
  },
  "oklch": {
    "l": 0.6221,
    "c": 0.1545,
    "h": 270.9
  },
  "luminance": 0.23234
}

Semantic roles & 50–950 ramp

primary

#657EE3

secondary

#E8DFBC

accent

#AC14D1

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0F0F16

muted

#7E7E84

Preview Lab

Preview with #657EE3

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

Preview Lab → · Contrast checker → · Palette generator →