#659CF4#659CF4

#659CF4 is a light, vivid blue. Relative luminance 0.331; OKLCH L 69.4% C 0.143 H 259.4°. Best body text is #000000 at 7.61:1 contrast (WCAG AA passes).

Color values

HEX	#659CF4
RGB	rgb(101, 156, 244)
HSL	hsl(217, 87%, 68%)
HSV	hsv(217, 59%, 96%)
CMYK	cmyk(58.6%, 36.1%, 0%, 4.3%)
CIE-LAB	lab(64.22, 7.69, -49.52)
CIE-LCH	lch(64.22, 50.11, 278.83°)
OKLab	oklab(69.37% -0.0262 -0.1403)
OKLCH	oklch(69.37% 0.143 259.4)
XYZ	xyz(33.5787, 33.0724, 90.1845)
Luminance	0.3307 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#659CF4 #F4BD65

analogous

#65E4F4 #659CF4 #7565F4

triadic

#659CF4 #F4659C #9CF465

tetradic

#659CF4 #F465E4 #F4BD65 #65F475

square

#659CF4 #F465E4 #F4BD65 #65F475

split-complementary

#659CF4 #F47565 #E4F465

monochromatic

#0F59D0 #2C77F0 #659CF4 #9EC1F8 #D7E5FC

Accessibility & contrast

On white

2.76

#659CF4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.61

#659CF4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #659CF4

7.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##659CF4	#FFFFFF	#000000	##000000
##659CF4	1.00	2.76	7.61	7.61
#FFFFFF	2.76	1.00	21.00	21.00
#000000	7.61	21.00	1.00	1.00
##000000	7.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#77A3F8

Deuteranopia (green-blind)

#6496F2

Tritanopia (blue-blind)

#00B0BC

Achromatopsia (no color)

#9C9C9C

Design tokens & code

CSS

--color: #659cf4;
/* rgb */ color: rgb(101, 156, 244);
/* oklch */ color: oklch(69.4% 0.143 259.4);

Tailwind

colors: {
  custom: {
    50: '#9bb8f8',
    500: '#659cf4',
    950: '#000000',
  },
}

SCSS

$custom: #659cf4;
$custom-light: #9bb8f8;
$custom-dark: #000000;

JSON

{
  "hex": "#659cf4",
  "rgb": {
    "r": 101,
    "g": 156,
    "b": 244
  },
  "hsl": {
    "h": 216.923,
    "s": 86.667,
    "l": 67.647
  },
  "oklch": {
    "l": 0.6937,
    "c": 0.14273,
    "h": 259.4
  },
  "luminance": 0.33075
}

Semantic roles & 50–950 ramp

primary

#659CF4

secondary

#F1E0C4

accent

#8D02E3

background

#FAFBFF

surface

#F4F6FF

border

#CED0D7

text

#0F1117

muted

#7F8085

Preview Lab

Preview with #659CF4

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

Preview Lab → · Contrast checker → · Palette generator →