#657EF1#657EF1

#657EF1 is a light, vivid blue. Relative luminance 0.240; OKLCH L 63.1% C 0.174 H 271.4°. Best body text is #000000 at 5.81:1 contrast (WCAG AA passes).

Color values

HEX	#657EF1
RGB	rgb(101, 126, 241)
HSL	hsl(229, 83%, 67%)
HSV	hsv(229, 58%, 95%)
CMYK	cmyk(58.1%, 47.7%, 0%, 5.5%)
CIE-LAB	lab(56.12, 24.56, -60.76)
CIE-LCH	lch(56.12, 65.53, 292.01°)
OKLab	oklab(63.09% 0.0042 -0.1736)
OKLCH	oklch(63.09% 0.174 271.4)
XYZ	xyz(28.6996, 24.0370, 86.3293)
Luminance	0.2404 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657EF1 #F1D865

analogous

#65C4F1 #657EF1 #9265F1

triadic

#657EF1 #F1657E #7EF165

tetradic

#657EF1 #F165C4 #F1D865 #65F192

square

#657EF1 #F165C4 #F1D865 #65F192

split-complementary

#657EF1 #F19265 #C4F165

monochromatic

#1233C9 #2D4FEC #657EF1 #9DADF6 #D5DCFB

Accessibility & contrast

On white

3.62

#657EF1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.81

#657EF1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657EF1

5.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657EF1	#FFFFFF	#000000	##000000
##657EF1	1.00	3.62	5.81	5.81
#FFFFFF	3.62	1.00	21.00	21.00
#000000	5.81	21.00	1.00	1.00
##000000	5.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#458DF5

Deuteranopia (green-blind)

#2E81EF

Tritanopia (blue-blind)

#0098AC

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #657ef1;
/* rgb */ color: rgb(101, 126, 241);
/* oklch */ color: oklch(63.1% 0.174 271.4);

Tailwind

colors: {
  custom: {
    50: '#9ca3f6',
    500: '#657ef1',
    950: '#000000',
  },
}

SCSS

$custom: #657ef1;
$custom-light: #9ca3f6;
$custom-dark: #000000;

JSON

{
  "hex": "#657ef1",
  "rgb": {
    "r": 101,
    "g": 126,
    "b": 241
  },
  "hsl": {
    "h": 229.286,
    "s": 83.333,
    "l": 67.059
  },
  "oklch": {
    "l": 0.63092,
    "c": 0.17363,
    "h": 271.4
  },
  "luminance": 0.24039
}

Semantic roles & 50–950 ramp

primary

#657EF1

secondary

#EFE7C3

accent

#B906E0

background

#FAFAFF

surface

#F4F3FF

border

#CECDD7

text

#0F0F17

muted

#7F7F85

Preview Lab

Preview with #657EF1

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

Preview Lab → · Contrast checker → · Palette generator →