#657BF8#657BF8

#657BF8 is a light, vivid blue. Relative luminance 0.237; OKLCH L 63.0% C 0.187 H 272.4°. Best body text is #000000 at 5.74:1 contrast (WCAG AA passes).

Color values

HEX	#657BF8
RGB	rgb(101, 123, 248)
HSL	hsl(231, 91%, 68%)
HSV	hsv(231, 59%, 97%)
CMYK	cmyk(59.3%, 50.4%, 0%, 2.7%)
CIE-LAB	lab(55.79, 28.64, -65.17)
CIE-LCH	lch(55.79, 71.19, 293.73°)
OKLab	oklab(62.98% 0.0079 -0.1866)
OKLCH	oklch(62.98% 0.187 272.4)
XYZ	xyz(29.3875, 23.7076, 91.8161)
Luminance	0.2371 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657BF8 #F8E265

analogous

#65C5F8 #657BF8 #9865F8

triadic

#657BF8 #F8657B #7BF865

tetradic

#657BF8 #F865C5 #F8E265 #65F898

square

#657BF8 #F865C5 #F8E265 #65F898

split-complementary

#657BF8 #F89865 #C5F865

monochromatic

#0A29D9 #2A49F5 #657BF8 #A0ADFB #DADFFD

Accessibility & contrast

On white

3.66

#657BF8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.74

#657BF8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657BF8

5.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657BF8	#FFFFFF	#000000	##000000
##657BF8	1.00	3.66	5.74	5.74
#FFFFFF	3.66	1.00	21.00	21.00
#000000	5.74	21.00	1.00	1.00
##000000	5.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#358CFC

Deuteranopia (green-blind)

#0E80F5

Tritanopia (blue-blind)

#0098AE

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #657bf8;
/* rgb */ color: rgb(101, 123, 248);
/* oklch */ color: oklch(63.0% 0.187 272.4);

Tailwind

colors: {
  custom: {
    50: '#9da0fb',
    500: '#657bf8',
    950: '#000000',
  },
}

SCSS

$custom: #657bf8;
$custom-light: #9da0fb;
$custom-dark: #000000;

JSON

{
  "hex": "#657bf8",
  "rgb": {
    "r": 101,
    "g": 123,
    "b": 248
  },
  "hsl": {
    "h": 231.02,
    "s": 91.304,
    "l": 68.431
  },
  "oklch": {
    "l": 0.62979,
    "c": 0.18676,
    "h": 272.4
  },
  "luminance": 0.2371
}

Semantic roles & 50–950 ramp

primary

#657BF8

secondary

#F3ECC6

accent

#C300E6

background

#FAF9FF

surface

#F4F2FF

border

#CECCD7

text

#0F0E17

muted

#7F7E85

Preview Lab

Preview with #657BF8

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

Preview Lab → · Contrast checker → · Palette generator →