#657BF1#657BF1

#657BF1 is a light, vivid blue. Relative luminance 0.233; OKLCH L 62.5% C 0.177 H 272.3°. Best body text is #000000 at 5.66:1 contrast (WCAG AA passes).

Color values

HEX	#657BF1
RGB	rgb(101, 123, 241)
HSL	hsl(231, 83%, 67%)
HSV	hsv(231, 58%, 95%)
CMYK	cmyk(58.1%, 49%, 0%, 5.5%)
CIE-LAB	lab(55.36, 26.37, -61.98)
CIE-LCH	lch(55.36, 67.36, 293.05°)
OKLab	oklab(62.51% 0.0073 -0.1772)
OKLCH	oklch(62.51% 0.177 272.3)
XYZ	xyz(28.3217, 23.2813, 86.2033)
Luminance	0.2328 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657BF1 #F1DB65

analogous

#65C1F1 #657BF1 #9565F1

triadic

#657BF1 #F1657B #7BF165

tetradic

#657BF1 #F165C1 #F1DB65 #65F195

square

#657BF1 #F165C1 #F1DB65 #65F195

split-complementary

#657BF1 #F19565 #C1F165

monochromatic

#122FC9 #2D4BEC #657BF1 #9DABF6 #D5DBFB

Accessibility & contrast

On white

3.71

#657BF1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.66

#657BF1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657BF1

5.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657BF1	#FFFFFF	#000000	##000000
##657BF1	1.00	3.71	5.66	5.66
#FFFFFF	3.71	1.00	21.00	21.00
#000000	5.66	21.00	1.00	1.00
##000000	5.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E8BF5

Deuteranopia (green-blind)

#247FEF

Tritanopia (blue-blind)

#0096AB

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #657bf1;
/* rgb */ color: rgb(101, 123, 241);
/* oklch */ color: oklch(62.5% 0.177 272.3);

Tailwind

colors: {
  custom: {
    50: '#9ca0f6',
    500: '#657bf1',
    950: '#000000',
  },
}

SCSS

$custom: #657bf1;
$custom-light: #9ca0f6;
$custom-dark: #000000;

JSON

{
  "hex": "#657bf1",
  "rgb": {
    "r": 101,
    "g": 123,
    "b": 241
  },
  "hsl": {
    "h": 230.571,
    "s": 83.333,
    "l": 67.059
  },
  "oklch": {
    "l": 0.62513,
    "c": 0.17737,
    "h": 272.3
  },
  "luminance": 0.23283
}

Semantic roles & 50–950 ramp

primary

#657BF1

secondary

#EFE8C3

accent

#BD06E0

background

#FAF9FF

surface

#F4F2FF

border

#CECCD7

text

#0F0E17

muted

#7F7E85

Preview Lab

Preview with #657BF1

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

Preview Lab → · Contrast checker → · Palette generator →