#657FF1#657FF1

#657FF1 is a light, vivid blue. Relative luminance 0.243; OKLCH L 63.3% C 0.172 H 271.1°. Best body text is #000000 at 5.86:1 contrast (WCAG AA passes).

Color values

HEX	#657FF1
RGB	rgb(101, 127, 241)
HSL	hsl(229, 83%, 67%)
HSV	hsv(229, 58%, 95%)
CMYK	cmyk(58.1%, 47.3%, 0%, 5.5%)
CIE-LAB	lab(56.38, 23.95, -60.35)
CIE-LCH	lch(56.38, 64.93, 291.65°)
OKLab	oklab(63.29% 0.0032 -0.1724)
OKLCH	oklch(63.29% 0.172 271.1)
XYZ	xyz(28.8281, 24.2941, 86.3721)
Luminance	0.2430 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657FF1 #F1D765

analogous

#65C5F1 #657FF1 #9165F1

triadic

#657FF1 #F1657F #7FF165

tetradic

#657FF1 #F165C5 #F1D765 #65F191

square

#657FF1 #F165C5 #F1D765 #65F191

split-complementary

#657FF1 #F19165 #C5F165

monochromatic

#1234C9 #2D50EC #657FF1 #9DAEF6 #D5DCFB

Accessibility & contrast

On white

3.58

#657FF1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.86

#657FF1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657FF1

5.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657FF1	#FFFFFF	#000000	##000000
##657FF1	1.00	3.58	5.86	5.86
#FFFFFF	3.58	1.00	21.00	21.00
#000000	5.86	21.00	1.00	1.00
##000000	5.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#478EF5

Deuteranopia (green-blind)

#3081EF

Tritanopia (blue-blind)

#0099AC

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #657ff1;
/* rgb */ color: rgb(101, 127, 241);
/* oklch */ color: oklch(63.3% 0.172 271.1);

Tailwind

colors: {
  custom: {
    50: '#9ca3f6',
    500: '#657ff1',
    950: '#000000',
  },
}

SCSS

$custom: #657ff1;
$custom-light: #9ca3f6;
$custom-dark: #000000;

JSON

{
  "hex": "#657ff1",
  "rgb": {
    "r": 101,
    "g": 127,
    "b": 241
  },
  "hsl": {
    "h": 228.857,
    "s": 83.333,
    "l": 67.059
  },
  "oklch": {
    "l": 0.63287,
    "c": 0.17239,
    "h": 271.1
  },
  "luminance": 0.24296
}

Semantic roles & 50–950 ramp

primary

#657FF1

secondary

#EFE7C3

accent

#B706E0

background

#FAFAFF

surface

#F4F3FF

border

#CECDD7

text

#0F0F17

muted

#7F7F85

Preview Lab

Preview with #657FF1

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

Preview Lab → · Contrast checker → · Palette generator →