#659FF4#659FF4

#659FF4 is a light, vivid blue. Relative luminance 0.341; OKLCH L 70.0% C 0.140 H 257.9°. Best body text is #000000 at 7.82:1 contrast (WCAG AA passes).

Color values

HEX	#659FF4
RGB	rgb(101, 159, 244)
HSL	hsl(216, 87%, 68%)
HSV	hsv(216, 59%, 96%)
CMYK	cmyk(58.6%, 34.8%, 0%, 4.3%)
CIE-LAB	lab(65.04, 5.95, -48.23)
CIE-LCH	lch(65.04, 48.59, 277.04°)
OKLab	oklab(70.01% -0.0293 -0.1365)
OKLCH	oklch(70.01% 0.14 257.9)
XYZ	xyz(34.0884, 34.0917, 90.3544)
Luminance	0.3409 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#659FF4 #F4BA65

analogous

#65E7F4 #659FF4 #7265F4

triadic

#659FF4 #F4659F #9FF465

tetradic

#659FF4 #F465E7 #F4BA65 #65F472

square

#659FF4 #F465E7 #F4BA65 #65F472

split-complementary

#659FF4 #F47265 #E7F465

monochromatic

#0F5DD0 #2C7BF0 #659FF4 #9EC3F8 #D7E6FC

Accessibility & contrast

On white

2.69

#659FF4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.82

#659FF4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #659FF4

7.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##659FF4	#FFFFFF	#000000	##000000
##659FF4	1.00	2.69	7.82	7.82
#FFFFFF	2.69	1.00	21.00	21.00
#000000	7.82	21.00	1.00	1.00
##000000	7.82	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7BA5F8

Deuteranopia (green-blind)

#6998F2

Tritanopia (blue-blind)

#00B2BE

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #659ff4;
/* rgb */ color: rgb(101, 159, 244);
/* oklch */ color: oklch(70.0% 0.140 257.9);

Tailwind

colors: {
  custom: {
    50: '#9bbbf8',
    500: '#659ff4',
    950: '#000000',
  },
}

SCSS

$custom: #659ff4;
$custom-light: #9bbbf8;
$custom-dark: #000000;

JSON

{
  "hex": "#659ff4",
  "rgb": {
    "r": 101,
    "g": 159,
    "b": 244
  },
  "hsl": {
    "h": 215.664,
    "s": 86.667,
    "l": 67.647
  },
  "oklch": {
    "l": 0.70005,
    "c": 0.13963,
    "h": 257.9
  },
  "luminance": 0.34095
}

Semantic roles & 50–950 ramp

primary

#659FF4

secondary

#F1DFC4

accent

#8802E3

background

#FAFBFF

surface

#F4F6FF

border

#CED0D7

text

#0F1117

muted

#7F8085

Preview Lab

Preview with #659FF4

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

Preview Lab → · Contrast checker → · Palette generator →