#659CF9#659CF9

#659CF9 is a light, vivid blue. Relative luminance 0.334; OKLCH L 69.6% C 0.149 H 260.3°. Best body text is #000000 at 7.68:1 contrast (WCAG AA passes).

Color values

HEX	#659CF9
RGB	rgb(101, 156, 249)
HSL	hsl(218, 93%, 69%)
HSV	hsv(218, 59%, 98%)
CMYK	cmyk(59.4%, 37.3%, 0%, 2.4%)
CIE-LAB	lab(64.47, 9.30, -51.86)
CIE-LCH	lch(64.47, 52.69, 280.17°)
OKLab	oklab(69.64% -0.0251 -0.1471)
OKLCH	oklch(69.64% 0.149 260.3)
XYZ	xyz(34.3482, 33.3802, 94.2371)
Luminance	0.3338 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#659CF9 #F9C265

analogous

#65E6F9 #659CF9 #7865F9

triadic

#659CF9 #F9659C #9CF965

tetradic

#659CF9 #F965E6 #F9C265 #65F978

square

#659CF9 #F965E6 #F9C265 #65F978

split-complementary

#659CF9 #F97865 #E6F965

monochromatic

#0957DB #2A76F7 #659CF9 #A0C2FB #DBE8FE

Accessibility & contrast

On white

2.74

#659CF9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.68

#659CF9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #659CF9

7.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##659CF9	#FFFFFF	#000000	##000000
##659CF9	1.00	2.74	7.68	7.68
#FFFFFF	2.74	1.00	21.00	21.00
#000000	7.68	21.00	1.00	1.00
##000000	7.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#74A4FD

Deuteranopia (green-blind)

#6096F7

Tritanopia (blue-blind)

#00B1BF

Achromatopsia (no color)

#9C9C9C

Design tokens & code

CSS

--color: #659cf9;
/* rgb */ color: rgb(101, 156, 249);
/* oklch */ color: oklch(69.6% 0.149 260.3);

Tailwind

colors: {
  custom: {
    50: '#9cb8fc',
    500: '#659cf9',
    950: '#000000',
  },
}

SCSS

$custom: #659cf9;
$custom-light: #9cb8fc;
$custom-dark: #000000;

JSON

{
  "hex": "#659cf9",
  "rgb": {
    "r": 101,
    "g": 156,
    "b": 249
  },
  "hsl": {
    "h": 217.703,
    "s": 92.5,
    "l": 68.627
  },
  "oklch": {
    "l": 0.69644,
    "c": 0.14927,
    "h": 260.3
  },
  "luminance": 0.33383
}

Semantic roles & 50–950 ramp

primary

#659CF9

secondary

#F3E3C7

accent

#9000E6

background

#FAFBFF

surface

#F4F6FF

border

#CED0D7

text

#0F1117

muted

#7F8085

Preview Lab

Preview with #659CF9

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

Preview Lab → · Contrast checker → · Palette generator →