#659EF0#659EF0

#659EF0 is a light, vivid blue. Relative luminance 0.335; OKLCH L 69.6% C 0.135 H 257.5°. Best body text is #000000 at 7.70:1 contrast (WCAG AA passes).

Color values

HEX	#659EF0
RGB	rgb(101, 158, 240)
HSL	hsl(215, 82%, 67%)
HSV	hsv(215, 58%, 94%)
CMYK	cmyk(57.9%, 34.2%, 0%, 5.9%)
CIE-LAB	lab(64.57, 5.25, -46.77)
CIE-LCH	lch(64.57, 47.06, 276.41°)
OKLab	oklab(69.58% -0.0293 -0.1323)
OKLCH	oklch(69.58% 0.135 257.5)
XYZ	xyz(33.3163, 33.5088, 87.1333)
Luminance	0.3351 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#659EF0 #F0B765

analogous

#65E3F0 #659EF0 #7265F0

triadic

#659EF0 #F0659E #9EF065

tetradic

#659EF0 #F065E3 #F0B765 #65F072

square

#659EF0 #F065E3 #F0B765 #65F072

split-complementary

#659EF0 #F07265 #E3F065

monochromatic

#135DC7 #2D7BEB #659EF0 #9DC1F5 #D5E4FB

Accessibility & contrast

On white

2.73

#659EF0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.70

#659EF0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #659EF0

7.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##659EF0	#FFFFFF	#000000	##000000
##659EF0	1.00	2.73	7.70	7.70
#FFFFFF	2.73	1.00	21.00	21.00
#000000	7.70	21.00	1.00	1.00
##000000	7.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7CA4F3

Deuteranopia (green-blind)

#6A97EE

Tritanopia (blue-blind)

#00B0BC

Achromatopsia (no color)

#9D9D9D

Design tokens & code

CSS

--color: #659ef0;
/* rgb */ color: rgb(101, 158, 240);
/* oklch */ color: oklch(69.6% 0.135 257.5);

Tailwind

colors: {
  custom: {
    50: '#9bbaf5',
    500: '#659ef0',
    950: '#000000',
  },
}

SCSS

$custom: #659ef0;
$custom-light: #9bbaf5;
$custom-dark: #000000;

JSON

{
  "hex": "#659ef0",
  "rgb": {
    "r": 101,
    "g": 158,
    "b": 240
  },
  "hsl": {
    "h": 215.396,
    "s": 82.249,
    "l": 66.863
  },
  "oklch": {
    "l": 0.6958,
    "c": 0.13546,
    "h": 257.5
  },
  "luminance": 0.33512
}

Semantic roles & 50–950 ramp

primary

#659EF0

secondary

#EFDCC2

accent

#8607DF

background

#FAFBFF

surface

#F3F6FE

border

#CDD0D6

text

#0F1117

muted

#7F8085

Preview Lab

Preview with #659EF0

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

Preview Lab → · Contrast checker → · Palette generator →