#659BF0#659BF0

#659BF0 is a light, vivid blue. Relative luminance 0.325; OKLCH L 68.9% C 0.139 H 259.1°. Best body text is #000000 at 7.50:1 contrast (WCAG AA passes).

Color values

HEX	#659BF0
RGB	rgb(101, 155, 240)
HSL	hsl(217, 82%, 67%)
HSV	hsv(217, 58%, 94%)
CMYK	cmyk(57.9%, 35.4%, 0%, 5.9%)
CIE-LAB	lab(63.75, 6.99, -48.06)
CIE-LCH	lch(63.75, 48.56, 278.27°)
OKLab	oklab(68.94% -0.0261 -0.136)
OKLCH	oklch(68.94% 0.139 259.1)
XYZ	xyz(32.8109, 32.4979, 86.9648)
Luminance	0.3250 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#659BF0 #F0BA65

analogous

#65E0F0 #659BF0 #7565F0

triadic

#659BF0 #F0659B #9BF065

tetradic

#659BF0 #F065E0 #F0BA65 #65F075

square

#659BF0 #F065E0 #F0BA65 #65F075

split-complementary

#659BF0 #F07565 #E0F065

monochromatic

#1359C7 #2D77EB #659BF0 #9DBFF5 #D5E3FB

Accessibility & contrast

On white

2.80

#659BF0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.50

#659BF0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #659BF0

7.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##659BF0	#FFFFFF	#000000	##000000
##659BF0	1.00	2.80	7.50	7.50
#FFFFFF	2.80	1.00	21.00	21.00
#000000	7.50	21.00	1.00	1.00
##000000	7.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#78A2F3

Deuteranopia (green-blind)

#6594EE

Tritanopia (blue-blind)

#00AEBA

Achromatopsia (no color)

#9A9A9A

Design tokens & code

CSS

--color: #659bf0;
/* rgb */ color: rgb(101, 155, 240);
/* oklch */ color: oklch(68.9% 0.139 259.1);

Tailwind

colors: {
  custom: {
    50: '#9bb8f5',
    500: '#659bf0',
    950: '#000000',
  },
}

SCSS

$custom: #659bf0;
$custom-light: #9bb8f5;
$custom-dark: #000000;

JSON

{
  "hex": "#659bf0",
  "rgb": {
    "r": 101,
    "g": 155,
    "b": 240
  },
  "hsl": {
    "h": 216.691,
    "s": 82.249,
    "l": 66.863
  },
  "oklch": {
    "l": 0.68943,
    "c": 0.13853,
    "h": 259.1
  },
  "luminance": 0.32501
}

Semantic roles & 50–950 ramp

primary

#659BF0

secondary

#EFDDC2

accent

#8B07DF

background

#FAFBFF

surface

#F3F6FE

border

#CDD0D6

text

#0F1117

muted

#7F8085

Preview Lab

Preview with #659BF0

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

Preview Lab → · Contrast checker → · Palette generator →