#658FFB#658FFB

#658FFB is a light, vivid blue. Relative luminance 0.294; OKLCH L 67.1% C 0.167 H 266.1°. Best body text is #000000 at 6.88:1 contrast (WCAG AA passes).

Color values

HEX	#658FFB
RGB	rgb(101, 143, 251)
HSL	hsl(223, 95%, 69%)
HSV	hsv(223, 60%, 98%)
CMYK	cmyk(59.8%, 43%, 0%, 1.6%)
CIE-LAB	lab(61.11, 17.61, -58.30)
CIE-LCH	lch(61.11, 60.90, 286.81°)
OKLab	oklab(67.08% -0.0114 -0.1662)
OKLCH	oklch(67.08% 0.167 266.1)
XYZ	xyz(32.5959, 29.3739, 95.2001)
Luminance	0.2938 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#658FFB #FBD165

analogous

#65DAFB #658FFB #8665FB

triadic

#658FFB #FB658F #8FFB65

tetradic

#658FFB #FB65DA #FBD165 #65FB86

square

#658FFB #FB65DA #FBD165 #65FB86

split-complementary

#658FFB #FB8665 #DAFB65

monochromatic

#0643E0 #2964F9 #658FFB #A1BAFD #DCE6FE

Accessibility & contrast

On white

3.05

#658FFB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.88

#658FFB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #658FFB

6.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##658FFB	#FFFFFF	#000000	##000000
##658FFB	1.00	3.05	6.88	6.88
#FFFFFF	3.05	1.00	21.00	21.00
#000000	6.88	21.00	1.00	1.00
##000000	6.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E9BFF

Deuteranopia (green-blind)

#488DF9

Tritanopia (blue-blind)

#00A7B9

Achromatopsia (no color)

#939393

Design tokens & code

CSS

--color: #658ffb;
/* rgb */ color: rgb(101, 143, 251);
/* oklch */ color: oklch(67.1% 0.167 266.1);

Tailwind

colors: {
  custom: {
    50: '#9daffd',
    500: '#658ffb',
    950: '#000000',
  },
}

SCSS

$custom: #658ffb;
$custom-light: #9daffd;
$custom-dark: #000000;

JSON

{
  "hex": "#658ffb",
  "rgb": {
    "r": 101,
    "g": 143,
    "b": 251
  },
  "hsl": {
    "h": 223.2,
    "s": 94.937,
    "l": 69.02
  },
  "oklch": {
    "l": 0.67085,
    "c": 0.16655,
    "h": 266.1
  },
  "luminance": 0.29377
}

Semantic roles & 50–950 ramp

primary

#658FFB

secondary

#F4E8C8

accent

#A500E6

background

#FAFAFF

surface

#F4F4FF

border

#CECED7

text

#0F1018

muted

#7F7F86

Preview Lab

Preview with #658FFB

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

Preview Lab → · Contrast checker → · Palette generator →