#659EFF#659EFF

#659EFF is a light, vivid blue. Relative luminance 0.344; OKLCH L 70.4% C 0.155 H 260.4°. Best body text is #000000 at 7.89:1 contrast (WCAG AA passes).

Color values

HEX	#659EFF
RGB	rgb(101, 158, 255)
HSL	hsl(218, 100%, 70%)
HSV	hsv(218, 60%, 100%)
CMYK	cmyk(60.4%, 38%, 0%, 0%)
CIE-LAB	lab(65.31, 10.08, -53.80)
CIE-LCH	lch(65.31, 54.74, 280.61°)
OKLab	oklab(70.39% -0.0258 -0.1528)
OKLCH	oklch(70.39% 0.155 260.4)
XYZ	xyz(35.6374, 34.4372, 99.3574)
Luminance	0.3444 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#659EFF #FFC665

analogous

#65EBFF #659EFF #7965FF

triadic

#659EFF #FF659E #9EFF65

tetradic

#659EFF #FF65EB #FFC665 #65FF79

square

#659EFF #FF65EB #FFC665 #65FF79

split-complementary

#659EFF #FF7965 #EBFF65

monochromatic

#0056EA #2877FF #659EFF #A2C5FF #DFEBFF

Accessibility & contrast

On white

2.66

#659EFF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.89

#659EFF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #659EFF

7.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##659EFF	#FFFFFF	#000000	##000000
##659EFF	1.00	2.66	7.89	7.89
#FFFFFF	2.66	1.00	21.00	21.00
#000000	7.89	21.00	1.00	1.00
##000000	7.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#74A6FF

Deuteranopia (green-blind)

#5F98FD

Tritanopia (blue-blind)

#00B4C2

Achromatopsia (no color)

#9F9F9F

Design tokens & code

CSS

--color: #659eff;
/* rgb */ color: rgb(101, 158, 255);
/* oklch */ color: oklch(70.4% 0.155 260.4);

Tailwind

colors: {
  custom: {
    50: '#9dbaff',
    500: '#659eff',
    950: '#000000',
  },
}

SCSS

$custom: #659eff;
$custom-light: #9dbaff;
$custom-dark: #000000;

JSON

{
  "hex": "#659eff",
  "rgb": {
    "r": 101,
    "g": 158,
    "b": 255
  },
  "hsl": {
    "h": 217.792,
    "s": 100,
    "l": 69.804
  },
  "oklch": {
    "l": 0.70394,
    "c": 0.15497,
    "h": 260.4
  },
  "luminance": 0.3444
}

Semantic roles & 50–950 ramp

primary

#659EFF

secondary

#F6E6CA

accent

#9100E6

background

#FAFBFF

surface

#F4F6FF

border

#CED0D7

text

#0F1118

muted

#7F8086

Preview Lab

Preview with #659EFF

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

Preview Lab → · Contrast checker → · Palette generator →