#659DF4#659DF4

#659DF4 is a light, vivid blue. Relative luminance 0.334; OKLCH L 69.6% C 0.142 H 258.9°. Best body text is #000000 at 7.68:1 contrast (WCAG AA passes).

Color values

HEX	#659DF4
RGB	rgb(101, 157, 244)
HSL	hsl(217, 87%, 68%)
HSV	hsv(217, 59%, 96%)
CMYK	cmyk(58.6%, 35.7%, 0%, 4.3%)
CIE-LAB	lab(64.49, 7.11, -49.09)
CIE-LCH	lch(64.49, 49.60, 278.24°)
OKLab	oklab(69.58% -0.0272 -0.139)
OKLCH	oklch(69.58% 0.142 258.9)
XYZ	xyz(33.7472, 33.4094, 90.2406)
Luminance	0.3341 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#659DF4 #F4BC65

analogous

#65E5F4 #659DF4 #7465F4

triadic

#659DF4 #F4659D #9DF465

tetradic

#659DF4 #F465E5 #F4BC65 #65F474

square

#659DF4 #F465E5 #F4BC65 #65F474

split-complementary

#659DF4 #F47465 #E5F465

monochromatic

#0F5AD0 #2C79F0 #659DF4 #9EC1F8 #D7E6FC

Accessibility & contrast

On white

2.73

#659DF4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.68

#659DF4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #659DF4

7.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##659DF4	#FFFFFF	#000000	##000000
##659DF4	1.00	2.73	7.68	7.68
#FFFFFF	2.73	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)

#78A4F8

Deuteranopia (green-blind)

#6696F2

Tritanopia (blue-blind)

#00B1BD

Achromatopsia (no color)

#9C9C9C

Design tokens & code

CSS

--color: #659df4;
/* rgb */ color: rgb(101, 157, 244);
/* oklch */ color: oklch(69.6% 0.142 258.9);

Tailwind

colors: {
  custom: {
    50: '#9bb9f8',
    500: '#659df4',
    950: '#000000',
  },
}

SCSS

$custom: #659df4;
$custom-light: #9bb9f8;
$custom-dark: #000000;

JSON

{
  "hex": "#659df4",
  "rgb": {
    "r": 101,
    "g": 157,
    "b": 244
  },
  "hsl": {
    "h": 216.503,
    "s": 86.667,
    "l": 67.647
  },
  "oklch": {
    "l": 0.69581,
    "c": 0.14168,
    "h": 258.9
  },
  "luminance": 0.33412
}

Semantic roles & 50–950 ramp

primary

#659DF4

secondary

#F1DFC4

accent

#8B02E3

background

#FAFBFF

surface

#F4F6FF

border

#CED0D7

text

#0F1117

muted

#7F8085

Preview Lab

Preview with #659DF4

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

Preview Lab → · Contrast checker → · Palette generator →