#657FF0#657FF0

#657FF0 is a light, vivid blue. Relative luminance 0.242; OKLCH L 63.2% C 0.171 H 271.0°. Best body text is #000000 at 5.85:1 contrast (WCAG AA passes).

Color values

HEX	#657FF0
RGB	rgb(101, 127, 240)
HSL	hsl(229, 82%, 67%)
HSV	hsv(229, 58%, 94%)
CMYK	cmyk(57.9%, 47.1%, 0%, 5.9%)
CIE-LAB	lab(56.32, 23.63, -59.89)
CIE-LCH	lch(56.32, 64.38, 291.53°)
OKLab	oklab(63.22% 0.0031 -0.171)
OKLCH	oklch(63.22% 0.171 271)
XYZ	xyz(28.6792, 24.2345, 85.5876)
Luminance	0.2424 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657FF0 #F0D665

analogous

#65C5F0 #657FF0 #9165F0

triadic

#657FF0 #F0657F #7FF065

tetradic

#657FF0 #F065C5 #F0D665 #65F091

square

#657FF0 #F065C5 #F0D665 #65F091

split-complementary

#657FF0 #F09165 #C5F065

monochromatic

#1335C7 #2D51EB #657FF0 #9DADF5 #D5DCFB

Accessibility & contrast

On white

3.59

#657FF0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.85

#657FF0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657FF0

5.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657FF0	#FFFFFF	#000000	##000000
##657FF0	1.00	3.59	5.85	5.85
#FFFFFF	3.59	1.00	21.00	21.00
#000000	5.85	21.00	1.00	1.00
##000000	5.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#488DF4

Deuteranopia (green-blind)

#3281EE

Tritanopia (blue-blind)

#0098AC

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #657ff0;
/* rgb */ color: rgb(101, 127, 240);
/* oklch */ color: oklch(63.2% 0.171 271.0);

Tailwind

colors: {
  custom: {
    50: '#9ba3f5',
    500: '#657ff0',
    950: '#000000',
  },
}

SCSS

$custom: #657ff0;
$custom-light: #9ba3f5;
$custom-dark: #000000;

JSON

{
  "hex": "#657ff0",
  "rgb": {
    "r": 101,
    "g": 127,
    "b": 240
  },
  "hsl": {
    "h": 228.777,
    "s": 82.249,
    "l": 66.863
  },
  "oklch": {
    "l": 0.63223,
    "c": 0.17104,
    "h": 271
  },
  "luminance": 0.24237
}

Semantic roles & 50–950 ramp

primary

#657FF0

secondary

#EFE6C2

accent

#B607DF

background

#FAFAFF

surface

#F4F3FE

border

#CECDD6

text

#0F0F17

muted

#7F7F85

Preview Lab

Preview with #657FF0

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

Preview Lab → · Contrast checker → · Palette generator →