#659EF8#659EF8

#659EF8 is a light, vivid blue. Relative luminance 0.340; OKLCH L 70.0% C 0.146 H 259.2°. Best body text is #000000 at 7.80:1 contrast (WCAG AA passes).

Color values

HEX	#659EF8
RGB	rgb(101, 158, 248)
HSL	hsl(217, 91%, 68%)
HSV	hsv(217, 59%, 97%)
CMYK	cmyk(59.3%, 36.3%, 0%, 2.7%)
CIE-LAB	lab(64.96, 7.82, -50.54)
CIE-LCH	lch(64.96, 51.14, 278.79°)
OKLab	oklab(70.01% -0.0274 -0.1433)
OKLCH	oklch(70.01% 0.146 259.2)
XYZ	xyz(34.5310, 33.9947, 93.5306)
Luminance	0.3400 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#659EF8 #F8BF65

analogous

#65E7F8 #659EF8 #7565F8

triadic

#659EF8 #F8659E #9EF865

tetradic

#659EF8 #F865E7 #F8BF65 #65F875

square

#659EF8 #F865E7 #F8BF65 #65F875

split-complementary

#659EF8 #F87565 #E7F865

monochromatic

#0A5AD9 #2A79F5 #659EF8 #A0C3FB #DAE8FD

Accessibility & contrast

On white

2.69

#659EF8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.80

#659EF8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #659EF8

7.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##659EF8	#FFFFFF	#000000	##000000
##659EF8	1.00	2.69	7.80	7.80
#FFFFFF	2.69	1.00	21.00	21.00
#000000	7.80	21.00	1.00	1.00
##000000	7.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#78A5FC

Deuteranopia (green-blind)

#6497F6

Tritanopia (blue-blind)

#00B2BF

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #659ef8;
/* rgb */ color: rgb(101, 158, 248);
/* oklch */ color: oklch(70.0% 0.146 259.2);

Tailwind

colors: {
  custom: {
    50: '#9cbafb',
    500: '#659ef8',
    950: '#000000',
  },
}

SCSS

$custom: #659ef8;
$custom-light: #9cbafb;
$custom-dark: #000000;

JSON

{
  "hex": "#659ef8",
  "rgb": {
    "r": 101,
    "g": 158,
    "b": 248
  },
  "hsl": {
    "h": 216.735,
    "s": 91.304,
    "l": 68.431
  },
  "oklch": {
    "l": 0.70009,
    "c": 0.14585,
    "h": 259.2
  },
  "luminance": 0.33998
}

Semantic roles & 50–950 ramp

primary

#659EF8

secondary

#F3E1C6

accent

#8D00E6

background

#FAFBFF

surface

#F4F6FF

border

#CED0D7

text

#0F1117

muted

#7F8085

Preview Lab

Preview with #659EF8

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

Preview Lab → · Contrast checker → · Palette generator →