#657AF8#657AF8

#657AF8 is a light, vivid blue. Relative luminance 0.235; OKLCH L 62.8% C 0.188 H 272.7°. Best body text is #000000 at 5.69:1 contrast (WCAG AA passes).

Color values

HEX	#657AF8
RGB	rgb(101, 122, 248)
HSL	hsl(231, 91%, 68%)
HSV	hsv(231, 59%, 97%)
CMYK	cmyk(59.3%, 50.8%, 0%, 2.7%)
CIE-LAB	lab(55.54, 29.25, -65.57)
CIE-LCH	lch(55.54, 71.80, 294.04°)
OKLab	oklab(62.79% 0.0089 -0.1878)
OKLCH	oklch(62.79% 0.188 272.7)
XYZ	xyz(29.2640, 23.4608, 91.7750)
Luminance	0.2346 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657AF8 #F8E365

analogous

#65C3F8 #657AF8 #9965F8

triadic

#657AF8 #F8657A #7AF865

tetradic

#657AF8 #F865C3 #F8E365 #65F899

square

#657AF8 #F865C3 #F8E365 #65F899

split-complementary

#657AF8 #F89965 #C3F865

monochromatic

#0A27D9 #2A47F5 #657AF8 #A0ADFB #DADFFD

Accessibility & contrast

On white

3.69

#657AF8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.69

#657AF8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657AF8

5.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657AF8	#FFFFFF	#000000	##000000
##657AF8	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)

#328CFC

Deuteranopia (green-blind)

#047FF5

Tritanopia (blue-blind)

#0097AD

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #657af8;
/* rgb */ color: rgb(101, 122, 248);
/* oklch */ color: oklch(62.8% 0.188 272.7);

Tailwind

colors: {
  custom: {
    50: '#9da0fb',
    500: '#657af8',
    950: '#000000',
  },
}

SCSS

$custom: #657af8;
$custom-light: #9da0fb;
$custom-dark: #000000;

JSON

{
  "hex": "#657af8",
  "rgb": {
    "r": 101,
    "g": 122,
    "b": 248
  },
  "hsl": {
    "h": 231.429,
    "s": 91.304,
    "l": 68.431
  },
  "oklch": {
    "l": 0.6279,
    "c": 0.188,
    "h": 272.7
  },
  "luminance": 0.23463
}

Semantic roles & 50–950 ramp

primary

#657AF8

secondary

#F3ECC6

accent

#C500E6

background

#FAF9FF

surface

#F4F2FF

border

#CECCD7

text

#0F0E17

muted

#7F7E85

Preview Lab

Preview with #657AF8

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

Preview Lab → · Contrast checker → · Palette generator →