#657EF0#657EF0

#657EF0 is a light, vivid blue. Relative luminance 0.240; OKLCH L 63.0% C 0.172 H 271.4°. Best body text is #000000 at 5.80:1 contrast (WCAG AA passes).

Color values

HEX	#657EF0
RGB	rgb(101, 126, 240)
HSL	hsl(229, 82%, 67%)
HSV	hsv(229, 58%, 94%)
CMYK	cmyk(57.9%, 47.5%, 0%, 5.9%)
CIE-LAB	lab(56.07, 24.23, -60.30)
CIE-LCH	lch(56.07, 64.98, 291.89°)
OKLab	oklab(63.03% 0.0041 -0.1722)
OKLCH	oklch(63.03% 0.172 271.4)
XYZ	xyz(28.5506, 23.9775, 85.5448)
Luminance	0.2398 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657EF0 #F0D765

analogous

#65C3F0 #657EF0 #9265F0

triadic

#657EF0 #F0657E #7EF065

tetradic

#657EF0 #F065C3 #F0D765 #65F092

square

#657EF0 #F065C3 #F0D765 #65F092

split-complementary

#657EF0 #F09265 #C3F065

monochromatic

#1334C7 #2D4FEB #657EF0 #9DADF5 #D5DBFB

Accessibility & contrast

On white

3.62

#657EF0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.80

#657EF0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657EF0

5.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657EF0	#FFFFFF	#000000	##000000
##657EF0	1.00	3.62	5.80	5.80
#FFFFFF	3.62	1.00	21.00	21.00
#000000	5.80	21.00	1.00	1.00
##000000	5.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#468DF4

Deuteranopia (green-blind)

#2F81EE

Tritanopia (blue-blind)

#0098AB

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #657ef0;
/* rgb */ color: rgb(101, 126, 240);
/* oklch */ color: oklch(63.0% 0.172 271.4);

Tailwind

colors: {
  custom: {
    50: '#9ba3f6',
    500: '#657ef0',
    950: '#000000',
  },
}

SCSS

$custom: #657ef0;
$custom-light: #9ba3f6;
$custom-dark: #000000;

JSON

{
  "hex": "#657ef0",
  "rgb": {
    "r": 101,
    "g": 126,
    "b": 240
  },
  "hsl": {
    "h": 229.209,
    "s": 82.249,
    "l": 66.863
  },
  "oklch": {
    "l": 0.63028,
    "c": 0.17228,
    "h": 271.4
  },
  "luminance": 0.2398
}

Semantic roles & 50–950 ramp

primary

#657EF0

secondary

#EFE7C2

accent

#B807DF

background

#FAFAFF

surface

#F4F3FE

border

#CECDD6

text

#0F0F17

muted

#7F7F85

Preview Lab

Preview with #657EF0

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

Preview Lab → · Contrast checker → · Palette generator →