#659FFB#659FFB

#659FFB is a light, vivid blue. Relative luminance 0.345; OKLCH L 70.4% C 0.149 H 259.3°. Best body text is #000000 at 7.91:1 contrast (WCAG AA passes).

Color values

HEX	#659FFB
RGB	rgb(101, 159, 251)
HSL	hsl(217, 95%, 69%)
HSV	hsv(217, 60%, 98%)
CMYK	cmyk(59.8%, 36.7%, 0%, 1.6%)
CIE-LAB	lab(65.38, 8.20, -51.51)
CIE-LCH	lch(65.38, 52.16, 279.05°)
OKLab	oklab(70.38% -0.0277 -0.1461)
OKLCH	oklch(70.38% 0.149 259.3)
XYZ	xyz(35.1714, 34.5249, 96.0586)
Luminance	0.3453 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#659FFB #FBC165

analogous

#65EAFB #659FFB #7665FB

triadic

#659FFB #FB659F #9FFB65

tetradic

#659FFB #FB65EA #FBC165 #65FB76

square

#659FFB #FB65EA #FBC165 #65FB76

split-complementary

#659FFB #FB7665 #EAFB65

monochromatic

#065AE0 #297AF9 #659FFB #A1C4FD #DCE9FE

Accessibility & contrast

On white

2.66

#659FFB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.91

#659FFB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #659FFB

7.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##659FFB	#FFFFFF	#000000	##000000
##659FFB	1.00	2.66	7.91	7.91
#FFFFFF	2.66	1.00	21.00	21.00
#000000	7.91	21.00	1.00	1.00
##000000	7.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#78A6FF

Deuteranopia (green-blind)

#6498F9

Tritanopia (blue-blind)

#00B4C1

Achromatopsia (no color)

#9F9F9F

Design tokens & code

CSS

--color: #659ffb;
/* rgb */ color: rgb(101, 159, 251);
/* oklch */ color: oklch(70.4% 0.149 259.3);

Tailwind

colors: {
  custom: {
    50: '#9cbafd',
    500: '#659ffb',
    950: '#000000',
  },
}

SCSS

$custom: #659ffb;
$custom-light: #9cbafd;
$custom-dark: #000000;

JSON

{
  "hex": "#659ffb",
  "rgb": {
    "r": 101,
    "g": 159,
    "b": 251
  },
  "hsl": {
    "h": 216.8,
    "s": 94.937,
    "l": 69.02
  },
  "oklch": {
    "l": 0.70383,
    "c": 0.1487,
    "h": 259.3
  },
  "luminance": 0.34528
}

Semantic roles & 50–950 ramp

primary

#659FFB

secondary

#F4E3C8

accent

#8D00E6

background

#FAFBFF

surface

#F4F6FF

border

#CED0D7

text

#0F1117

muted

#7F8085

Preview Lab

Preview with #659FFB

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

Preview Lab → · Contrast checker → · Palette generator →