#657BF4#657BF4

#657BF4 is a light, vivid blue. Relative luminance 0.235; OKLCH L 62.7% C 0.181 H 272.4°. Best body text is #000000 at 5.69:1 contrast (WCAG AA passes).

Color values

HEX	#657BF4
RGB	rgb(101, 123, 244)
HSL	hsl(231, 87%, 68%)
HSV	hsv(231, 59%, 96%)
CMYK	cmyk(58.6%, 49.6%, 0%, 4.3%)
CIE-LAB	lab(55.55, 27.34, -63.35)
CIE-LCH	lch(55.55, 69.00, 293.35°)
OKLab	oklab(62.71% 0.0076 -0.1812)
OKLCH	oklch(62.71% 0.181 272.4)
XYZ	xyz(28.7735, 23.4620, 88.5828)
Luminance	0.2346 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657BF4 #F4DE65

analogous

#65C3F4 #657BF4 #9665F4

triadic

#657BF4 #F4657B #7BF465

tetradic

#657BF4 #F465C3 #F4DE65 #65F496

square

#657BF4 #F465C3 #F4DE65 #65F496

split-complementary

#657BF4 #F49665 #C3F465

monochromatic

#0F2DD0 #2C4AF0 #657BF4 #9EACF8 #D7DDFC

Accessibility & contrast

On white

3.69

#657BF4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.69

#657BF4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657BF4

5.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657BF4	#FFFFFF	#000000	##000000
##657BF4	1.00	3.69	5.69	5.69
#FFFFFF	3.69	1.00	21.00	21.00
#000000	5.69	21.00	1.00	1.00
##000000	5.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A8CF8

Deuteranopia (green-blind)

#1D7FF1

Tritanopia (blue-blind)

#0097AC

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #657bf4;
/* rgb */ color: rgb(101, 123, 244);
/* oklch */ color: oklch(62.7% 0.181 272.4);

Tailwind

colors: {
  custom: {
    50: '#9ca0f8',
    500: '#657bf4',
    950: '#000000',
  },
}

SCSS

$custom: #657bf4;
$custom-light: #9ca0f8;
$custom-dark: #000000;

JSON

{
  "hex": "#657bf4",
  "rgb": {
    "r": 101,
    "g": 123,
    "b": 244
  },
  "hsl": {
    "h": 230.769,
    "s": 86.667,
    "l": 67.647
  },
  "oklch": {
    "l": 0.62711,
    "c": 0.18141,
    "h": 272.4
  },
  "luminance": 0.23464
}

Semantic roles & 50–950 ramp

primary

#657BF4

secondary

#F1EAC4

accent

#C102E3

background

#FAF9FF

surface

#F4F2FF

border

#CECCD7

text

#0F0E17

muted

#7F7E85

Preview Lab

Preview with #657BF4

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

Preview Lab → · Contrast checker → · Palette generator →