#657EE1#657EE1

#657EE1 is a light, vivid blue. Relative luminance 0.231; OKLCH L 62.1% C 0.152 H 270.8°. Best body text is #000000 at 5.63:1 contrast (WCAG AA passes).

Color values

HEX	#657EE1
RGB	rgb(101, 126, 225)
HSL	hsl(228, 67%, 64%)
HSV	hsv(228, 55%, 88%)
CMYK	cmyk(55.1%, 44%, 0%, 11.8%)
CIE-LAB	lab(55.20, 19.40, -53.32)
CIE-LCH	lch(55.20, 56.73, 289.99°)
OKLab	oklab(62.09% 0.0021 -0.1517)
OKLCH	oklch(62.09% 0.152 270.8)
XYZ	xyz(26.4138, 23.1227, 74.2908)
Luminance	0.2313 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657EE1 #E1C865

analogous

#65BCE1 #657EE1 #8A65E1

triadic

#657EE1 #E1657E #7EE165

tetradic

#657EE1 #E165BC #E1C865 #65E18A

square

#657EE1 #E165BC #E1C865 #65E18A

split-complementary

#657EE1 #E18A65 #BCE165

monochromatic

#213DAA #3253D7 #657EE1 #98A9EB #CBD4F5

Accessibility & contrast

On white

3.73

#657EE1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.63

#657EE1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657EE1

5.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657EE1	#FFFFFF	#000000	##000000
##657EE1	1.00	3.73	5.63	5.63
#FFFFFF	3.73	1.00	21.00	21.00
#000000	5.63	21.00	1.00	1.00
##000000	5.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#528AE5

Deuteranopia (green-blind)

#437FDF

Tritanopia (blue-blind)

#1E94A4

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #657ee1;
/* rgb */ color: rgb(101, 126, 225);
/* oklch */ color: oklch(62.1% 0.152 270.8);

Tailwind

colors: {
  custom: {
    50: '#99a3eb',
    500: '#657ee1',
    950: '#000000',
  },
}

SCSS

$custom: #657ee1;
$custom-light: #99a3eb;
$custom-dark: #000000;

JSON

{
  "hex": "#657ee1",
  "rgb": {
    "r": 101,
    "g": 126,
    "b": 225
  },
  "hsl": {
    "h": 227.903,
    "s": 67.391,
    "l": 63.922
  },
  "oklch": {
    "l": 0.62087,
    "c": 0.15173,
    "h": 270.8
  },
  "luminance": 0.23125
}

Semantic roles & 50–950 ramp

primary

#657EE1

secondary

#E7DEBB

accent

#AA16CF

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0F0F16

muted

#7E7E84

Preview Lab

Preview with #657EE1

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

Preview Lab → · Contrast checker → · Palette generator →