#659BF4#659BF4

#659BF4 is a light, vivid blue. Relative luminance 0.327; OKLCH L 69.2% C 0.144 H 259.9°. Best body text is #000000 at 7.55:1 contrast (WCAG AA passes).

Color values

HEX	#659BF4
RGB	rgb(101, 155, 244)
HSL	hsl(217, 87%, 68%)
HSV	hsv(217, 59%, 96%)
CMYK	cmyk(58.6%, 36.5%, 0%, 4.3%)
CIE-LAB	lab(63.95, 8.27, -49.94)
CIE-LCH	lch(63.95, 50.62, 279.40°)
OKLab	oklab(69.16% -0.0252 -0.1416)
OKLCH	oklch(69.16% 0.144 259.9)
XYZ	xyz(33.4116, 32.7382, 90.1288)
Luminance	0.3274 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#659BF4 #F4BE65

analogous

#65E2F4 #659BF4 #7765F4

triadic

#659BF4 #F4659B #9BF465

tetradic

#659BF4 #F465E2 #F4BE65 #65F477

square

#659BF4 #F465E2 #F4BE65 #65F477

split-complementary

#659BF4 #F47765 #E2F465

monochromatic

#0F58D0 #2C76F0 #659BF4 #9EC0F8 #D7E5FC

Accessibility & contrast

On white

2.78

#659BF4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.55

#659BF4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #659BF4

7.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##659BF4	#FFFFFF	#000000	##000000
##659BF4	1.00	2.78	7.55	7.55
#FFFFFF	2.78	1.00	21.00	21.00
#000000	7.55	21.00	1.00	1.00
##000000	7.55	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#75A2F8

Deuteranopia (green-blind)

#6395F2

Tritanopia (blue-blind)

#00AFBC

Achromatopsia (no color)

#9B9B9B

Design tokens & code

CSS

--color: #659bf4;
/* rgb */ color: rgb(101, 155, 244);
/* oklch */ color: oklch(69.2% 0.144 259.9);

Tailwind

colors: {
  custom: {
    50: '#9bb8f8',
    500: '#659bf4',
    950: '#000000',
  },
}

SCSS

$custom: #659bf4;
$custom-light: #9bb8f8;
$custom-dark: #000000;

JSON

{
  "hex": "#659bf4",
  "rgb": {
    "r": 101,
    "g": 155,
    "b": 244
  },
  "hsl": {
    "h": 217.343,
    "s": 86.667,
    "l": 67.647
  },
  "oklch": {
    "l": 0.69159,
    "c": 0.14378,
    "h": 259.9
  },
  "luminance": 0.32741
}

Semantic roles & 50–950 ramp

primary

#659BF4

secondary

#F1E0C4

accent

#8E02E3

background

#FAFBFF

surface

#F4F6FF

border

#CED0D7

text

#0F1117

muted

#7F8085

Preview Lab

Preview with #659BF4

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

Preview Lab → · Contrast checker → · Palette generator →