#659DFD#659DFD

#659DFD is a light, vivid blue. Relative luminance 0.340; OKLCH L 70.1% C 0.153 H 260.5°. Best body text is #000000 at 7.79:1 contrast (WCAG AA passes).

Color values

HEX	#659DFD
RGB	rgb(101, 157, 253)
HSL	hsl(218, 97%, 69%)
HSV	hsv(218, 60%, 99%)
CMYK	cmyk(60.1%, 37.9%, 0%, 0.8%)
CIE-LAB	lab(64.94, 10.01, -53.30)
CIE-LCH	lch(64.94, 54.23, 280.64°)
OKLab	oklab(70.07% -0.0252 -0.1514)
OKLCH	oklch(70.07% 0.153 260.5)
XYZ	xyz(35.1472, 33.9694, 97.6140)
Luminance	0.3397 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#659DFD #FDC565

analogous

#65E9FD #659DFD #7965FD

triadic

#659DFD #FD659D #9DFD65

tetradic

#659DFD #FD65E9 #FDC565 #65FD79

square

#659DFD #FD65E9 #FDC565 #65FD79

split-complementary

#659DFD #FD7965 #E9FD65

monochromatic

#0356E5 #2977FC #659DFD #A1C3FE #DEEAFF

Accessibility & contrast

On white

2.69

#659DFD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.79

#659DFD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #659DFD

7.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##659DFD	#FFFFFF	#000000	##000000
##659DFD	1.00	2.69	7.79	7.79
#FFFFFF	2.69	1.00	21.00	21.00
#000000	7.79	21.00	1.00	1.00
##000000	7.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#74A5FF

Deuteranopia (green-blind)

#5F97FB

Tritanopia (blue-blind)

#00B3C1

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #659dfd;
/* rgb */ color: rgb(101, 157, 253);
/* oklch */ color: oklch(70.1% 0.153 260.5);

Tailwind

colors: {
  custom: {
    50: '#9db9fe',
    500: '#659dfd',
    950: '#000000',
  },
}

SCSS

$custom: #659dfd;
$custom-light: #9db9fe;
$custom-dark: #000000;

JSON

{
  "hex": "#659dfd",
  "rgb": {
    "r": 101,
    "g": 157,
    "b": 253
  },
  "hsl": {
    "h": 217.895,
    "s": 97.436,
    "l": 69.412
  },
  "oklch": {
    "l": 0.70074,
    "c": 0.15344,
    "h": 260.5
  },
  "luminance": 0.33972
}

Semantic roles & 50–950 ramp

primary

#659DFD

secondary

#F5E5C9

accent

#9100E6

background

#FAFBFF

surface

#F4F6FF

border

#CED0D7

text

#0F1118

muted

#7F8086

Preview Lab

Preview with #659DFD

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

Preview Lab → · Contrast checker → · Palette generator →