#659CF8#659CF8

#659CF8 is a light, vivid blue. Relative luminance 0.333; OKLCH L 69.6% C 0.148 H 260.2°. Best body text is #000000 at 7.66:1 contrast (WCAG AA passes).

Color values

HEX	#659CF8
RGB	rgb(101, 156, 248)
HSL	hsl(218, 91%, 68%)
HSV	hsv(218, 59%, 97%)
CMYK	cmyk(59.3%, 37.1%, 0%, 2.7%)
CIE-LAB	lab(64.42, 8.98, -51.39)
CIE-LCH	lch(64.42, 52.17, 279.91°)
OKLab	oklab(69.59% -0.0253 -0.1458)
OKLCH	oklch(69.59% 0.148 260.2)
XYZ	xyz(34.1926, 33.3180, 93.4179)
Luminance	0.3332 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#659CF8 #F8C165

analogous

#65E5F8 #659CF8 #7765F8

triadic

#659CF8 #F8659C #9CF865

tetradic

#659CF8 #F865E5 #F8C165 #65F877

square

#659CF8 #F865E5 #F8C165 #65F877

split-complementary

#659CF8 #F87765 #E5F865

monochromatic

#0A57D9 #2A76F5 #659CF8 #A0C2FB #DAE7FD

Accessibility & contrast

On white

2.74

#659CF8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.66

#659CF8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #659CF8

7.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##659CF8	#FFFFFF	#000000	##000000
##659CF8	1.00	2.74	7.66	7.66
#FFFFFF	2.74	1.00	21.00	21.00
#000000	7.66	21.00	1.00	1.00
##000000	7.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#75A4FC

Deuteranopia (green-blind)

#6196F6

Tritanopia (blue-blind)

#00B1BE

Achromatopsia (no color)

#9C9C9C

Design tokens & code

CSS

--color: #659cf8;
/* rgb */ color: rgb(101, 156, 248);
/* oklch */ color: oklch(69.6% 0.148 260.2);

Tailwind

colors: {
  custom: {
    50: '#9cb8fb',
    500: '#659cf8',
    950: '#000000',
  },
}

SCSS

$custom: #659cf8;
$custom-light: #9cb8fb;
$custom-dark: #000000;

JSON

{
  "hex": "#659cf8",
  "rgb": {
    "r": 101,
    "g": 156,
    "b": 248
  },
  "hsl": {
    "h": 217.551,
    "s": 91.304,
    "l": 68.431
  },
  "oklch": {
    "l": 0.69588,
    "c": 0.14796,
    "h": 260.2
  },
  "luminance": 0.33321
}

Semantic roles & 50–950 ramp

primary

#659CF8

secondary

#F3E2C6

accent

#9000E6

background

#FAFBFF

surface

#F4F6FF

border

#CED0D7

text

#0F1117

muted

#7F8085

Preview Lab

Preview with #659CF8

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

Preview Lab → · Contrast checker → · Palette generator →