#659CF3#659CF3

#659CF3 is a light, vivid blue. Relative luminance 0.330; OKLCH L 69.3% C 0.141 H 259.2°. Best body text is #000000 at 7.60:1 contrast (WCAG AA passes).

Color values

HEX	#659CF3
RGB	rgb(101, 156, 243)
HSL	hsl(217, 86%, 67%)
HSV	hsv(217, 58%, 95%)
CMYK	cmyk(58.4%, 35.8%, 0%, 4.7%)
CIE-LAB	lab(64.17, 7.37, -49.05)
CIE-LCH	lch(64.17, 49.60, 278.55°)
OKLab	oklab(69.32% -0.0264 -0.1389)
OKLCH	oklch(69.32% 0.141 259.2)
XYZ	xyz(33.4273, 33.0118, 89.3870)
Luminance	0.3301 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#659CF3 #F3BC65

analogous

#65E3F3 #659CF3 #7565F3

triadic

#659CF3 #F3659C #9CF365

tetradic

#659CF3 #F365E3 #F3BC65 #65F375

square

#659CF3 #F365E3 #F3BC65 #65F375

split-complementary

#659CF3 #F37565 #E3F365

monochromatic

#1059CE #2C77EF #659CF3 #9EC0F7 #D7E5FC

Accessibility & contrast

On white

2.76

#659CF3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.60

#659CF3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #659CF3

7.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##659CF3	#FFFFFF	#000000	##000000
##659CF3	1.00	2.76	7.60	7.60
#FFFFFF	2.76	1.00	21.00	21.00
#000000	7.60	21.00	1.00	1.00
##000000	7.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#77A3F7

Deuteranopia (green-blind)

#6595F1

Tritanopia (blue-blind)

#00B0BC

Achromatopsia (no color)

#9C9C9C

Design tokens & code

CSS

--color: #659cf3;
/* rgb */ color: rgb(101, 156, 243);
/* oklch */ color: oklch(69.3% 0.141 259.2);

Tailwind

colors: {
  custom: {
    50: '#9bb8f7',
    500: '#659cf3',
    950: '#000000',
  },
}

SCSS

$custom: #659cf3;
$custom-light: #9bb8f7;
$custom-dark: #000000;

JSON

{
  "hex": "#659cf3",
  "rgb": {
    "r": 101,
    "g": 156,
    "b": 243
  },
  "hsl": {
    "h": 216.761,
    "s": 85.542,
    "l": 67.451
  },
  "oklch": {
    "l": 0.69316,
    "c": 0.14141,
    "h": 259.2
  },
  "luminance": 0.33015
}

Semantic roles & 50–950 ramp

primary

#659CF3

secondary

#F0DFC4

accent

#8C03E2

background

#FAFBFF

surface

#F4F6FF

border

#CED0D7

text

#0F1117

muted

#7F8085

Preview Lab

Preview with #659CF3

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

Preview Lab → · Contrast checker → · Palette generator →