#658EF8#658EF8

#658EF8 is a light, vivid blue. Relative luminance 0.289; OKLCH L 66.7% C 0.164 H 266.2°. Best body text is #000000 at 6.78:1 contrast (WCAG AA passes).

Color values

HEX	#658EF8
RGB	rgb(101, 142, 248)
HSL	hsl(223, 91%, 68%)
HSV	hsv(223, 59%, 97%)
CMYK	cmyk(59.3%, 42.7%, 0%, 2.7%)
CIE-LAB	lab(60.68, 17.23, -57.33)
CIE-LCH	lch(60.68, 59.86, 286.72°)
OKLab	oklab(66.7% -0.0109 -0.1633)
OKLCH	oklch(66.7% 0.164 266.2)
XYZ	xyz(31.9773, 28.8873, 92.6794)
Luminance	0.2889 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#658EF8 #F8CF65

analogous

#65D8F8 #658EF8 #8565F8

triadic

#658EF8 #F8658E #8EF865

tetradic

#658EF8 #F865D8 #F8CF65 #65F885

square

#658EF8 #F865D8 #F8CF65 #65F885

split-complementary

#658EF8 #F88565 #D8F865

monochromatic

#0A44D9 #2A63F5 #658EF8 #A0B9FB #DAE4FD

Accessibility & contrast

On white

3.10

#658EF8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.78

#658EF8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #658EF8

6.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##658EF8	#FFFFFF	#000000	##000000
##658EF8	1.00	3.10	6.78	6.78
#FFFFFF	3.10	1.00	21.00	21.00
#000000	6.78	21.00	1.00	1.00
##000000	6.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E99FC

Deuteranopia (green-blind)

#498CF6

Tritanopia (blue-blind)

#00A6B7

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #658ef8;
/* rgb */ color: rgb(101, 142, 248);
/* oklch */ color: oklch(66.7% 0.164 266.2);

Tailwind

colors: {
  custom: {
    50: '#9caefb',
    500: '#658ef8',
    950: '#000000',
  },
}

SCSS

$custom: #658ef8;
$custom-light: #9caefb;
$custom-dark: #000000;

JSON

{
  "hex": "#658ef8",
  "rgb": {
    "r": 101,
    "g": 142,
    "b": 248
  },
  "hsl": {
    "h": 223.265,
    "s": 91.304,
    "l": 68.431
  },
  "oklch": {
    "l": 0.66703,
    "c": 0.16371,
    "h": 266.2
  },
  "luminance": 0.2889
}

Semantic roles & 50–950 ramp

primary

#658EF8

secondary

#F3E6C6

accent

#A500E6

background

#FAFAFF

surface

#F4F4FF

border

#CECED7

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #658EF8

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

Preview Lab → · Contrast checker → · Palette generator →