#657EF3#657EF3

#657EF3 is a light, vivid blue. Relative luminance 0.242; OKLCH L 63.2% C 0.176 H 271.5°. Best body text is #000000 at 5.83:1 contrast (WCAG AA passes).

Color values

HEX	#657EF3
RGB	rgb(101, 126, 243)
HSL	hsl(229, 86%, 67%)
HSV	hsv(229, 58%, 95%)
CMYK	cmyk(58.4%, 48.1%, 0%, 4.7%)
CIE-LAB	lab(56.24, 25.21, -61.67)
CIE-LCH	lch(56.24, 66.63, 292.23°)
OKLab	oklab(63.22% 0.0045 -0.1763)
OKLCH	oklch(63.22% 0.176 271.5)
XYZ	xyz(29.0000, 24.1572, 87.9112)
Luminance	0.2416 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657EF3 #F3DA65

analogous

#65C5F3 #657EF3 #9365F3

triadic

#657EF3 #F3657E #7EF365

tetradic

#657EF3 #F365C5 #F3DA65 #65F393

square

#657EF3 #F365C5 #F3DA65 #65F393

split-complementary

#657EF3 #F39365 #C5F365

monochromatic

#1031CE #2C4EEF #657EF3 #9EAEF7 #D7DDFC

Accessibility & contrast

On white

3.60

#657EF3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.83

#657EF3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657EF3

5.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657EF3	#FFFFFF	#000000	##000000
##657EF3	1.00	3.60	5.83	5.83
#FFFFFF	3.60	1.00	21.00	21.00
#000000	5.83	21.00	1.00	1.00
##000000	5.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#438DF7

Deuteranopia (green-blind)

#2A81F1

Tritanopia (blue-blind)

#0099AD

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #657ef3;
/* rgb */ color: rgb(101, 126, 243);
/* oklch */ color: oklch(63.2% 0.176 271.5);

Tailwind

colors: {
  custom: {
    50: '#9ca3f8',
    500: '#657ef3',
    950: '#000000',
  },
}

SCSS

$custom: #657ef3;
$custom-light: #9ca3f8;
$custom-dark: #000000;

JSON

{
  "hex": "#657ef3",
  "rgb": {
    "r": 101,
    "g": 126,
    "b": 243
  },
  "hsl": {
    "h": 229.437,
    "s": 85.542,
    "l": 67.451
  },
  "oklch": {
    "l": 0.63222,
    "c": 0.17634,
    "h": 271.5
  },
  "luminance": 0.24159
}

Semantic roles & 50–950 ramp

primary

#657EF3

secondary

#F0E8C4

accent

#BB03E2

background

#FAFAFF

surface

#F4F3FF

border

#CECDD7

text

#0F0F17

muted

#7F7F85

Preview Lab

Preview with #657EF3

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

Preview Lab → · Contrast checker → · Palette generator →