#659EF3#659EF3

#659EF3 is a light, vivid blue. Relative luminance 0.337; OKLCH L 69.7% C 0.139 H 258.2°. Best body text is #000000 at 7.74:1 contrast (WCAG AA passes).

Color values

HEX	#659EF3
RGB	rgb(101, 158, 243)
HSL	hsl(216, 86%, 67%)
HSV	hsv(216, 58%, 95%)
CMYK	cmyk(58.4%, 35%, 0%, 4.7%)
CIE-LAB	lab(64.71, 6.21, -48.19)
CIE-LCH	lch(64.71, 48.58, 277.34°)
OKLab	oklab(69.74% -0.0285 -0.1364)
OKLCH	oklch(69.74% 0.139 258.2)
XYZ	xyz(33.7657, 33.6886, 89.4998)
Luminance	0.3369 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#659EF3 #F3BA65

analogous

#65E5F3 #659EF3 #7365F3

triadic

#659EF3 #F3659E #9EF365

tetradic

#659EF3 #F365E5 #F3BA65 #65F373

square

#659EF3 #F365E5 #F3BA65 #65F373

split-complementary

#659EF3 #F37365 #E5F365

monochromatic

#105CCE #2C7AEF #659EF3 #9EC2F7 #D7E6FC

Accessibility & contrast

On white

2.71

#659EF3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.74

#659EF3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #659EF3

7.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##659EF3	#FFFFFF	#000000	##000000
##659EF3	1.00	2.71	7.74	7.74
#FFFFFF	2.71	1.00	21.00	21.00
#000000	7.74	21.00	1.00	1.00
##000000	7.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7AA4F7

Deuteranopia (green-blind)

#6897F1

Tritanopia (blue-blind)

#00B1BD

Achromatopsia (no color)

#9D9D9D

Design tokens & code

CSS

--color: #659ef3;
/* rgb */ color: rgb(101, 158, 243);
/* oklch */ color: oklch(69.7% 0.139 258.2);

Tailwind

colors: {
  custom: {
    50: '#9bbaf7',
    500: '#659ef3',
    950: '#000000',
  },
}

SCSS

$custom: #659ef3;
$custom-light: #9bbaf7;
$custom-dark: #000000;

JSON

{
  "hex": "#659ef3",
  "rgb": {
    "r": 101,
    "g": 158,
    "b": 243
  },
  "hsl": {
    "h": 215.915,
    "s": 85.542,
    "l": 67.451
  },
  "oklch": {
    "l": 0.69739,
    "c": 0.13934,
    "h": 258.2
  },
  "luminance": 0.33691
}

Semantic roles & 50–950 ramp

primary

#659EF3

secondary

#F0DEC4

accent

#8903E2

background

#FAFBFF

surface

#F4F6FF

border

#CED0D7

text

#0F1117

muted

#7F8085

Preview Lab

Preview with #659EF3

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

Preview Lab → · Contrast checker → · Palette generator →