#657EF7#657EF7

#657EF7 is a light, vivid blue. Relative luminance 0.244; OKLCH L 63.5% C 0.182 H 271.5°. Best body text is #000000 at 5.88:1 contrast (WCAG AA passes).

Color values

HEX	#657EF7
RGB	rgb(101, 126, 247)
HSL	hsl(230, 90%, 68%)
HSV	hsv(230, 59%, 97%)
CMYK	cmyk(59.1%, 49%, 0%, 3.1%)
CIE-LAB	lab(56.49, 26.51, -63.50)
CIE-LCH	lch(56.49, 68.81, 292.66°)
OKLab	oklab(63.48% 0.0049 -0.1816)
OKLCH	oklch(63.48% 0.182 271.5)
XYZ	xyz(29.6106, 24.4014, 91.1272)
Luminance	0.2440 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657EF7 #F7DE65

analogous

#65C7F7 #657EF7 #9565F7

triadic

#657EF7 #F7657E #7EF765

tetradic

#657EF7 #F765C7 #F7DE65 #65F795

square

#657EF7 #F765C7 #F7DE65 #65F795

split-complementary

#657EF7 #F79565 #C7F765

monochromatic

#0B2ED6 #2B4DF4 #657EF7 #9FAFFA #D9DFFD

Accessibility & contrast

On white

3.57

#657EF7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.88

#657EF7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657EF7

5.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657EF7	#FFFFFF	#000000	##000000
##657EF7	1.00	3.57	5.88	5.88
#FFFFFF	3.57	1.00	21.00	21.00
#000000	5.88	21.00	1.00	1.00
##000000	5.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E8EFB

Deuteranopia (green-blind)

#2181F4

Tritanopia (blue-blind)

#009AAF

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #657ef7;
/* rgb */ color: rgb(101, 126, 247);
/* oklch */ color: oklch(63.5% 0.182 271.5);

Tailwind

colors: {
  custom: {
    50: '#9da3fa',
    500: '#657ef7',
    950: '#000000',
  },
}

SCSS

$custom: #657ef7;
$custom-light: #9da3fa;
$custom-dark: #000000;

JSON

{
  "hex": "#657ef7",
  "rgb": {
    "r": 101,
    "g": 126,
    "b": 247
  },
  "hsl": {
    "h": 229.726,
    "s": 90.123,
    "l": 68.235
  },
  "oklch": {
    "l": 0.63484,
    "c": 0.18172,
    "h": 271.5
  },
  "luminance": 0.24404
}

Semantic roles & 50–950 ramp

primary

#657EF7

secondary

#F2EAC6

accent

#BE00E6

background

#FAFAFF

surface

#F4F3FF

border

#CECDD7

text

#0F0F17

muted

#7F7F85

Preview Lab

Preview with #657EF7

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

Preview Lab → · Contrast checker → · Palette generator →