#657FF3#657FF3

#657FF3 is a light, vivid blue. Relative luminance 0.244; OKLCH L 63.4% C 0.175 H 271.1°. Best body text is #000000 at 5.88:1 contrast (WCAG AA passes).

Color values

HEX	#657FF3
RGB	rgb(101, 127, 243)
HSL	hsl(229, 86%, 67%)
HSV	hsv(229, 58%, 95%)
CMYK	cmyk(58.4%, 47.7%, 0%, 4.7%)
CIE-LAB	lab(56.50, 24.60, -61.26)
CIE-LCH	lch(56.50, 66.02, 291.88°)
OKLab	oklab(63.42% 0.0035 -0.1751)
OKLCH	oklch(63.42% 0.175 271.1)
XYZ	xyz(29.1285, 24.4142, 87.9541)
Luminance	0.2442 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657FF3 #F3D965

analogous

#65C6F3 #657FF3 #9265F3

triadic

#657FF3 #F3657F #7FF365

tetradic

#657FF3 #F365C6 #F3D965 #65F392

square

#657FF3 #F365C6 #F3D965 #65F392

split-complementary

#657FF3 #F39265 #C6F365

monochromatic

#1033CE #2C50EF #657FF3 #9EAEF7 #D7DDFC

Accessibility & contrast

On white

3.57

#657FF3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.88

#657FF3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657FF3

5.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657FF3	#FFFFFF	#000000	##000000
##657FF3	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)

#458EF7

Deuteranopia (green-blind)

#2D82F1

Tritanopia (blue-blind)

#0099AD

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #657ff3;
/* rgb */ color: rgb(101, 127, 243);
/* oklch */ color: oklch(63.4% 0.175 271.1);

Tailwind

colors: {
  custom: {
    50: '#9ca3f8',
    500: '#657ff3',
    950: '#000000',
  },
}

SCSS

$custom: #657ff3;
$custom-light: #9ca3f8;
$custom-dark: #000000;

JSON

{
  "hex": "#657ff3",
  "rgb": {
    "r": 101,
    "g": 127,
    "b": 243
  },
  "hsl": {
    "h": 229.014,
    "s": 85.542,
    "l": 67.451
  },
  "oklch": {
    "l": 0.63416,
    "c": 0.17509,
    "h": 271.1
  },
  "luminance": 0.24417
}

Semantic roles & 50–950 ramp

primary

#657FF3

secondary

#F0E8C4

accent

#B903E2

background

#FAFAFF

surface

#F4F3FF

border

#CECDD7

text

#0F0F17

muted

#7F7F85

Preview Lab

Preview with #657FF3

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

Preview Lab → · Contrast checker → · Palette generator →