#659BEF#659BEF

#659BEF is a light, vivid blue. Relative luminance 0.324; OKLCH L 68.9% C 0.137 H 258.9°. Best body text is #000000 at 7.49:1 contrast (WCAG AA passes).

Color values

HEX	#659BEF
RGB	rgb(101, 155, 239)
HSL	hsl(217, 81%, 67%)
HSV	hsv(217, 58%, 94%)
CMYK	cmyk(57.7%, 35.1%, 0%, 6.3%)
CIE-LAB	lab(63.70, 6.67, -47.59)
CIE-LCH	lch(63.70, 48.05, 277.98°)
OKLab	oklab(68.89% -0.0263 -0.1347)
OKLCH	oklch(68.89% 0.137 258.9)
XYZ	xyz(32.6627, 32.4386, 86.1846)
Luminance	0.3244 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#659BEF #EFB965

analogous

#65E0EF #659BEF #7465EF

triadic

#659BEF #EF659B #9BEF65

tetradic

#659BEF #EF65E0 #EFB965 #65EF74

square

#659BEF #EF65E0 #EFB965 #65EF74

split-complementary

#659BEF #EF7465 #E0EF65

monochromatic

#145AC5 #2E77E9 #659BEF #9CBFF5 #D4E3FB

Accessibility & contrast

On white

2.80

#659BEF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.49

#659BEF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #659BEF

7.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##659BEF	#FFFFFF	#000000	##000000
##659BEF	1.00	2.80	7.49	7.49
#FFFFFF	2.80	1.00	21.00	21.00
#000000	7.49	21.00	1.00	1.00
##000000	7.49	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#78A1F2

Deuteranopia (green-blind)

#6694ED

Tritanopia (blue-blind)

#00AEBA

Achromatopsia (no color)

#9A9A9A

Design tokens & code

CSS

--color: #659bef;
/* rgb */ color: rgb(101, 155, 239);
/* oklch */ color: oklch(68.9% 0.137 258.9);

Tailwind

colors: {
  custom: {
    50: '#9bb8f4',
    500: '#659bef',
    950: '#000000',
  },
}

SCSS

$custom: #659bef;
$custom-light: #9bb8f4;
$custom-dark: #000000;

JSON

{
  "hex": "#659bef",
  "rgb": {
    "r": 101,
    "g": 155,
    "b": 239
  },
  "hsl": {
    "h": 216.522,
    "s": 81.176,
    "l": 66.667
  },
  "oklch": {
    "l": 0.68889,
    "c": 0.13722,
    "h": 258.9
  },
  "luminance": 0.32441
}

Semantic roles & 50–950 ramp

primary

#659BEF

secondary

#EEDDC2

accent

#8A08DE

background

#FAFBFE

surface

#F3F6FD

border

#CDD0D5

text

#0F1117

muted

#7F8085

Preview Lab

Preview with #659BEF

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

Preview Lab → · Contrast checker → · Palette generator →