#659BF3#659BF3

#659BF3 is a light, vivid blue. Relative luminance 0.327; OKLCH L 69.1% C 0.142 H 259.7°. Best body text is #000000 at 7.54:1 contrast (WCAG AA passes).

Color values

HEX	#659BF3
RGB	rgb(101, 155, 243)
HSL	hsl(217, 86%, 67%)
HSV	hsv(217, 58%, 95%)
CMYK	cmyk(58.4%, 36.2%, 0%, 4.7%)
CIE-LAB	lab(63.90, 7.95, -49.47)
CIE-LCH	lch(63.90, 50.11, 279.13°)
OKLab	oklab(69.11% -0.0254 -0.1402)
OKLCH	oklch(69.11% 0.142 259.7)
XYZ	xyz(33.2602, 32.6776, 89.3313)
Luminance	0.3268 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#659BF3 #F3BD65

analogous

#65E2F3 #659BF3 #7665F3

triadic

#659BF3 #F3659B #9BF365

tetradic

#659BF3 #F365E2 #F3BD65 #65F376

square

#659BF3 #F365E2 #F3BD65 #65F376

split-complementary

#659BF3 #F37665 #E2F365

monochromatic

#1058CE #2C76EF #659BF3 #9EC0F7 #D7E5FC

Accessibility & contrast

On white

2.79

#659BF3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.54

#659BF3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #659BF3

7.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##659BF3	#FFFFFF	#000000	##000000
##659BF3	1.00	2.79	7.54	7.54
#FFFFFF	2.79	1.00	21.00	21.00
#000000	7.54	21.00	1.00	1.00
##000000	7.54	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#76A2F7

Deuteranopia (green-blind)

#6395F1

Tritanopia (blue-blind)

#00AFBB

Achromatopsia (no color)

#9B9B9B

Design tokens & code

CSS

--color: #659bf3;
/* rgb */ color: rgb(101, 155, 243);
/* oklch */ color: oklch(69.1% 0.142 259.7);

Tailwind

colors: {
  custom: {
    50: '#9bb8f7',
    500: '#659bf3',
    950: '#000000',
  },
}

SCSS

$custom: #659bf3;
$custom-light: #9bb8f7;
$custom-dark: #000000;

JSON

{
  "hex": "#659bf3",
  "rgb": {
    "r": 101,
    "g": 155,
    "b": 243
  },
  "hsl": {
    "h": 217.183,
    "s": 85.542,
    "l": 67.451
  },
  "oklch": {
    "l": 0.69105,
    "c": 0.14246,
    "h": 259.7
  },
  "luminance": 0.3268
}

Semantic roles & 50–950 ramp

primary

#659BF3

secondary

#F0DFC4

accent

#8D03E2

background

#FAFBFF

surface

#F4F6FF

border

#CED0D7

text

#0F1117

muted

#7F8085

Preview Lab

Preview with #659BF3

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

Preview Lab → · Contrast checker → · Palette generator →