#659CF1#659CF1

#659CF1 is a light, vivid blue. Relative luminance 0.329; OKLCH L 69.2% C 0.139 H 258.8°. Best body text is #000000 at 7.58:1 contrast (WCAG AA passes).

Color values

HEX	#659CF1
RGB	rgb(101, 156, 241)
HSL	hsl(216, 83%, 67%)
HSV	hsv(216, 58%, 95%)
CMYK	cmyk(58.1%, 35.3%, 0%, 5.5%)
CIE-LAB	lab(64.07, 6.73, -48.10)
CIE-LCH	lch(64.07, 48.57, 277.96°)
OKLab	oklab(69.21% -0.0269 -0.1362)
OKLCH	oklch(69.21% 0.139 258.8)
XYZ	xyz(33.1269, 32.8917, 87.8050)
Luminance	0.3290 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#659CF1 #F1BA65

analogous

#65E2F1 #659CF1 #7465F1

triadic

#659CF1 #F1659C #9CF165

tetradic

#659CF1 #F165E2 #F1BA65 #65F174

square

#659CF1 #F165E2 #F1BA65 #65F174

split-complementary

#659CF1 #F17465 #E2F165

monochromatic

#125AC9 #2D78EC #659CF1 #9DC0F6 #D5E4FB

Accessibility & contrast

On white

2.77

#659CF1 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.58

#659CF1 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #659CF1

7.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##659CF1	#FFFFFF	#000000	##000000
##659CF1	1.00	2.77	7.58	7.58
#FFFFFF	2.77	1.00	21.00	21.00
#000000	7.58	21.00	1.00	1.00
##000000	7.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#79A2F4

Deuteranopia (green-blind)

#6695EF

Tritanopia (blue-blind)

#00AFBB

Achromatopsia (no color)

#9B9B9B

Design tokens & code

CSS

--color: #659cf1;
/* rgb */ color: rgb(101, 156, 241);
/* oklch */ color: oklch(69.2% 0.139 258.8);

Tailwind

colors: {
  custom: {
    50: '#9bb8f6',
    500: '#659cf1',
    950: '#000000',
  },
}

SCSS

$custom: #659cf1;
$custom-light: #9bb8f6;
$custom-dark: #000000;

JSON

{
  "hex": "#659cf1",
  "rgb": {
    "r": 101,
    "g": 156,
    "b": 241
  },
  "hsl": {
    "h": 216.429,
    "s": 83.333,
    "l": 67.059
  },
  "oklch": {
    "l": 0.69208,
    "c": 0.13881,
    "h": 258.8
  },
  "luminance": 0.32895
}

Semantic roles & 50–950 ramp

primary

#659CF1

secondary

#EFDEC3

accent

#8A06E0

background

#FAFBFF

surface

#F3F6FE

border

#CDD0D6

text

#0F1117

muted

#7F8085

Preview Lab

Preview with #659CF1

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

Preview Lab → · Contrast checker → · Palette generator →