#659DF3#659DF3

#659DF3 is a light, vivid blue. Relative luminance 0.334; OKLCH L 69.5% C 0.140 H 258.7°. Best body text is #000000 at 7.67:1 contrast (WCAG AA passes).

Color values

HEX	#659DF3
RGB	rgb(101, 157, 243)
HSL	hsl(216, 86%, 67%)
HSV	hsv(216, 58%, 95%)
CMYK	cmyk(58.4%, 35.4%, 0%, 4.7%)
CIE-LAB	lab(64.44, 6.79, -48.62)
CIE-LCH	lch(64.44, 49.09, 277.95°)
OKLab	oklab(69.53% -0.0275 -0.1377)
OKLCH	oklch(69.53% 0.14 258.7)
XYZ	xyz(33.5958, 33.3488, 89.4432)
Luminance	0.3335 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#659DF3 #F3BB65

analogous

#65E4F3 #659DF3 #7465F3

triadic

#659DF3 #F3659D #9DF365

tetradic

#659DF3 #F365E4 #F3BB65 #65F374

square

#659DF3 #F365E4 #F3BB65 #65F374

split-complementary

#659DF3 #F37465 #E4F365

monochromatic

#105BCE #2C79EF #659DF3 #9EC1F7 #D7E5FC

Accessibility & contrast

On white

2.74

#659DF3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.67

#659DF3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #659DF3

7.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##659DF3	#FFFFFF	#000000	##000000
##659DF3	1.00	2.74	7.67	7.67
#FFFFFF	2.74	1.00	21.00	21.00
#000000	7.67	21.00	1.00	1.00
##000000	7.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#79A4F7

Deuteranopia (green-blind)

#6696F1

Tritanopia (blue-blind)

#00B0BD

Achromatopsia (no color)

#9C9C9C

Design tokens & code

CSS

--color: #659df3;
/* rgb */ color: rgb(101, 157, 243);
/* oklch */ color: oklch(69.5% 0.140 258.7);

Tailwind

colors: {
  custom: {
    50: '#9bb9f7',
    500: '#659df3',
    950: '#000000',
  },
}

SCSS

$custom: #659df3;
$custom-light: #9bb9f7;
$custom-dark: #000000;

JSON

{
  "hex": "#659df3",
  "rgb": {
    "r": 101,
    "g": 157,
    "b": 243
  },
  "hsl": {
    "h": 216.338,
    "s": 85.542,
    "l": 67.451
  },
  "oklch": {
    "l": 0.69527,
    "c": 0.14038,
    "h": 258.7
  },
  "luminance": 0.33352
}

Semantic roles & 50–950 ramp

primary

#659DF3

secondary

#F0DFC4

accent

#8A03E2

background

#FAFBFF

surface

#F4F6FF

border

#CED0D7

text

#0F1117

muted

#7F8085

Preview Lab

Preview with #659DF3

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

Preview Lab → · Contrast checker → · Palette generator →