#657DF0#657DF0

#657DF0 is a light, vivid blue. Relative luminance 0.237; OKLCH L 62.8% C 0.174 H 271.7°. Best body text is #000000 at 5.75:1 contrast (WCAG AA passes).

Color values

HEX	#657DF0
RGB	rgb(101, 125, 240)
HSL	hsl(230, 82%, 67%)
HSV	hsv(230, 58%, 94%)
CMYK	cmyk(57.9%, 47.9%, 0%, 5.9%)
CIE-LAB	lab(55.81, 24.84, -60.71)
CIE-LCH	lch(55.81, 65.59, 292.25°)
OKLab	oklab(62.83% 0.0051 -0.1734)
OKLCH	oklch(62.83% 0.174 271.7)
XYZ	xyz(28.4234, 23.7230, 85.5024)
Luminance	0.2372 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657DF0 #F0D865

analogous

#65C3F0 #657DF0 #9365F0

triadic

#657DF0 #F0657D #7DF065

tetradic

#657DF0 #F065C3 #F0D865 #65F093

square

#657DF0 #F065C3 #F0D865 #65F093

split-complementary

#657DF0 #F09365 #C3F065

monochromatic

#1332C7 #2D4EEB #657DF0 #9DACF5 #D5DBFB

Accessibility & contrast

On white

3.66

#657DF0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.75

#657DF0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657DF0

5.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657DF0	#FFFFFF	#000000	##000000
##657DF0	1.00	3.66	5.75	5.75
#FFFFFF	3.66	1.00	21.00	21.00
#000000	5.75	21.00	1.00	1.00
##000000	5.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#448CF4

Deuteranopia (green-blind)

#2C80EE

Tritanopia (blue-blind)

#0097AB

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #657df0;
/* rgb */ color: rgb(101, 125, 240);
/* oklch */ color: oklch(62.8% 0.174 271.7);

Tailwind

colors: {
  custom: {
    50: '#9ca2f6',
    500: '#657df0',
    950: '#000000',
  },
}

SCSS

$custom: #657df0;
$custom-light: #9ca2f6;
$custom-dark: #000000;

JSON

{
  "hex": "#657df0",
  "rgb": {
    "r": 101,
    "g": 125,
    "b": 240
  },
  "hsl": {
    "h": 229.64,
    "s": 82.249,
    "l": 66.863
  },
  "oklch": {
    "l": 0.62833,
    "c": 0.17353,
    "h": 271.7
  },
  "luminance": 0.23725
}

Semantic roles & 50–950 ramp

primary

#657DF0

secondary

#EFE7C2

accent

#B907DF

background

#FAF9FF

surface

#F4F2FE

border

#CECCD6

text

#0F0F17

muted

#7F7E85

Preview Lab

Preview with #657DF0

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

Preview Lab → · Contrast checker → · Palette generator →