#657FF4#657FF4

#657FF4 is a light, vivid blue. Relative luminance 0.245; OKLCH L 63.5% C 0.176 H 271.2°. Best body text is #000000 at 5.90:1 contrast (WCAG AA passes).

Color values

HEX	#657FF4
RGB	rgb(101, 127, 244)
HSL	hsl(229, 87%, 68%)
HSV	hsv(229, 59%, 96%)
CMYK	cmyk(58.6%, 48%, 0%, 4.3%)
CIE-LAB	lab(56.56, 24.93, -61.72)
CIE-LCH	lch(56.56, 66.57, 291.99°)
OKLab	oklab(63.48% 0.0036 -0.1764)
OKLCH	oklch(63.48% 0.176 271.2)
XYZ	xyz(29.2799, 24.4748, 88.7515)
Luminance	0.2448 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657FF4 #F4DA65

analogous

#65C6F4 #657FF4 #9265F4

triadic

#657FF4 #F4657F #7FF465

tetradic

#657FF4 #F465C6 #F4DA65 #65F492

square

#657FF4 #F465C6 #F4DA65 #65F492

split-complementary

#657FF4 #F49265 #C6F465

monochromatic

#0F32D0 #2C50F0 #657FF4 #9EAEF8 #D7DEFC

Accessibility & contrast

On white

3.56

#657FF4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.90

#657FF4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657FF4

5.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657FF4	#FFFFFF	#000000	##000000
##657FF4	1.00	3.56	5.90	5.90
#FFFFFF	3.56	1.00	21.00	21.00
#000000	5.90	21.00	1.00	1.00
##000000	5.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#448EF8

Deuteranopia (green-blind)

#2B82F2

Tritanopia (blue-blind)

#009AAE

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #657ff4;
/* rgb */ color: rgb(101, 127, 244);
/* oklch */ color: oklch(63.5% 0.176 271.2);

Tailwind

colors: {
  custom: {
    50: '#9ca3f8',
    500: '#657ff4',
    950: '#000000',
  },
}

SCSS

$custom: #657ff4;
$custom-light: #9ca3f8;
$custom-dark: #000000;

JSON

{
  "hex": "#657ff4",
  "rgb": {
    "r": 101,
    "g": 127,
    "b": 244
  },
  "hsl": {
    "h": 229.091,
    "s": 86.667,
    "l": 67.647
  },
  "oklch": {
    "l": 0.6348,
    "c": 0.17645,
    "h": 271.2
  },
  "luminance": 0.24477
}

Semantic roles & 50–950 ramp

primary

#657FF4

secondary

#F1E9C4

accent

#BA02E3

background

#FAFAFF

surface

#F4F3FF

border

#CECDD7

text

#0F0F17

muted

#7F7F85

Preview Lab

Preview with #657FF4

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

Preview Lab → · Contrast checker → · Palette generator →