#659CF0#659CF0

#659CF0 is a light, vivid blue. Relative luminance 0.328; OKLCH L 69.2% C 0.138 H 258.6°. Best body text is #000000 at 7.57:1 contrast (WCAG AA passes).

Color values

HEX	#659CF0
RGB	rgb(101, 156, 240)
HSL	hsl(216, 82%, 67%)
HSV	hsv(216, 58%, 94%)
CMYK	cmyk(57.9%, 35%, 0%, 5.9%)
CIE-LAB	lab(64.02, 6.41, -47.63)
CIE-LCH	lch(64.02, 48.06, 277.66°)
OKLab	oklab(69.16% -0.0272 -0.1348)
OKLCH	oklch(69.16% 0.138 258.6)
XYZ	xyz(32.9780, 32.8321, 87.0205)
Luminance	0.3283 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#659CF0 #F0B965

analogous

#65E2F0 #659CF0 #7465F0

triadic

#659CF0 #F0659C #9CF065

tetradic

#659CF0 #F065E2 #F0B965 #65F074

square

#659CF0 #F065E2 #F0B965 #65F074

split-complementary

#659CF0 #F07465 #E2F065

monochromatic

#135BC7 #2D78EB #659CF0 #9DC0F5 #D5E4FB

Accessibility & contrast

On white

2.78

#659CF0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.57

#659CF0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #659CF0

7.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##659CF0	#FFFFFF	#000000	##000000
##659CF0	1.00	2.78	7.57	7.57
#FFFFFF	2.78	1.00	21.00	21.00
#000000	7.57	21.00	1.00	1.00
##000000	7.57	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#79A2F3

Deuteranopia (green-blind)

#6795EE

Tritanopia (blue-blind)

#00AFBB

Achromatopsia (no color)

#9B9B9B

Design tokens & code

CSS

--color: #659cf0;
/* rgb */ color: rgb(101, 156, 240);
/* oklch */ color: oklch(69.2% 0.138 258.6);

Tailwind

colors: {
  custom: {
    50: '#9bb8f5',
    500: '#659cf0',
    950: '#000000',
  },
}

SCSS

$custom: #659cf0;
$custom-light: #9bb8f5;
$custom-dark: #000000;

JSON

{
  "hex": "#659cf0",
  "rgb": {
    "r": 101,
    "g": 156,
    "b": 240
  },
  "hsl": {
    "h": 216.259,
    "s": 82.249,
    "l": 66.863
  },
  "oklch": {
    "l": 0.69155,
    "c": 0.1375,
    "h": 258.6
  },
  "luminance": 0.32835
}

Semantic roles & 50–950 ramp

primary

#659CF0

secondary

#EFDDC2

accent

#8907DF

background

#FAFBFF

surface

#F3F6FE

border

#CDD0D6

text

#0F1117

muted

#7F8085

Preview Lab

Preview with #659CF0

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

Preview Lab → · Contrast checker → · Palette generator →