#658BF3#658BF3

#658BF3 is a light, vivid blue. Relative luminance 0.277; OKLCH L 65.8% C 0.161 H 266.9°. Best body text is #000000 at 6.54:1 contrast (WCAG AA passes).

Color values

HEX	#658BF3
RGB	rgb(101, 139, 243)
HSL	hsl(224, 86%, 67%)
HSV	hsv(224, 58%, 95%)
CMYK	cmyk(58.4%, 42.8%, 0%, 4.7%)
CIE-LAB	lab(59.62, 17.39, -56.28)
CIE-LCH	lch(59.62, 58.90, 287.17°)
OKLab	oklab(65.8% -0.0087 -0.1603)
OKLCH	oklch(65.8% 0.161 266.9)
XYZ	xyz(30.7716, 27.7005, 88.5018)
Luminance	0.2770 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#658BF3 #F3CD65

analogous

#65D2F3 #658BF3 #8665F3

triadic

#658BF3 #F3658B #8BF365

tetradic

#658BF3 #F365D2 #F3CD65 #65F386

square

#658BF3 #F365D2 #F3CD65 #65F386

split-complementary

#658BF3 #F38665 #D2F365

monochromatic

#1043CE #2C60EF #658BF3 #9EB6F7 #D7E1FC

Accessibility & contrast

On white

3.21

#658BF3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.54

#658BF3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #658BF3

6.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##658BF3	#FFFFFF	#000000	##000000
##658BF3	1.00	3.21	6.54	6.54
#FFFFFF	3.21	1.00	21.00	21.00
#000000	6.54	21.00	1.00	1.00
##000000	6.54	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C96F7

Deuteranopia (green-blind)

#488AF1

Tritanopia (blue-blind)

#00A2B3

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #658bf3;
/* rgb */ color: rgb(101, 139, 243);
/* oklch */ color: oklch(65.8% 0.161 266.9);

Tailwind

colors: {
  custom: {
    50: '#9bacf7',
    500: '#658bf3',
    950: '#000000',
  },
}

SCSS

$custom: #658bf3;
$custom-light: #9bacf7;
$custom-dark: #000000;

JSON

{
  "hex": "#658bf3",
  "rgb": {
    "r": 101,
    "g": 139,
    "b": 243
  },
  "hsl": {
    "h": 223.944,
    "s": 85.542,
    "l": 67.451
  },
  "oklch": {
    "l": 0.65796,
    "c": 0.16051,
    "h": 266.9
  },
  "luminance": 0.27703
}

Semantic roles & 50–950 ramp

primary

#658BF3

secondary

#F0E4C4

accent

#A603E2

background

#FAFAFF

surface

#F4F4FF

border

#CECED7

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #658BF3

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

Preview Lab → · Contrast checker → · Palette generator →