#657FF5#657FF5

#657FF5 is a light, vivid blue. Relative luminance 0.245; OKLCH L 63.5% C 0.178 H 271.2°. Best body text is #000000 at 5.91:1 contrast (WCAG AA passes).

Color values

HEX	#657FF5
RGB	rgb(101, 127, 245)
HSL	hsl(229, 88%, 68%)
HSV	hsv(229, 59%, 96%)
CMYK	cmyk(58.8%, 48.2%, 0%, 3.9%)
CIE-LAB	lab(56.62, 25.25, -62.18)
CIE-LCH	lch(56.62, 67.11, 292.10°)
OKLab	oklab(63.54% 0.0037 -0.1777)
OKLCH	oklch(63.54% 0.178 271.2)
XYZ	xyz(29.4322, 24.5357, 89.5534)
Luminance	0.2454 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657FF5 #F5DB65

analogous

#65C7F5 #657FF5 #9365F5

triadic

#657FF5 #F5657F #7FF565

tetradic

#657FF5 #F565C7 #F5DB65 #65F593

square

#657FF5 #F565C7 #F5DB65 #65F593

split-complementary

#657FF5 #F59365 #C7F565

monochromatic

#0E31D2 #2C4FF1 #657FF5 #9EAFF9 #D8DFFC

Accessibility & contrast

On white

3.55

#657FF5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.91

#657FF5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657FF5

5.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657FF5	#FFFFFF	#000000	##000000
##657FF5	1.00	3.55	5.91	5.91
#FFFFFF	3.55	1.00	21.00	21.00
#000000	5.91	21.00	1.00	1.00
##000000	5.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#438EF9

Deuteranopia (green-blind)

#2982F3

Tritanopia (blue-blind)

#009AAE

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #657ff5;
/* rgb */ color: rgb(101, 127, 245);
/* oklch */ color: oklch(63.5% 0.178 271.2);

Tailwind

colors: {
  custom: {
    50: '#9ca3f9',
    500: '#657ff5',
    950: '#000000',
  },
}

SCSS

$custom: #657ff5;
$custom-light: #9ca3f9;
$custom-dark: #000000;

JSON

{
  "hex": "#657ff5",
  "rgb": {
    "r": 101,
    "g": 127,
    "b": 245
  },
  "hsl": {
    "h": 229.167,
    "s": 87.805,
    "l": 67.843
  },
  "oklch": {
    "l": 0.63545,
    "c": 0.17779,
    "h": 271.2
  },
  "luminance": 0.24538
}

Semantic roles & 50–950 ramp

primary

#657FF5

secondary

#F1E9C5

accent

#BB01E4

background

#FAFAFF

surface

#F4F3FF

border

#CECDD7

text

#0F0F17

muted

#7F7F85

Preview Lab

Preview with #657FF5

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

Preview Lab → · Contrast checker → · Palette generator →