#659BE9#659BE9

#659BE9 is a light, vivid blue. Relative luminance 0.321; OKLCH L 68.6% C 0.129 H 257.6°. Best body text is #000000 at 7.42:1 contrast (WCAG AA passes).

Color values

HEX	#659BE9
RGB	rgb(101, 155, 233)
HSL	hsl(215, 75%, 65%)
HSV	hsv(215, 57%, 91%)
CMYK	cmyk(56.7%, 33.5%, 0%, 8.6%)
CIE-LAB	lab(63.42, 4.76, -44.74)
CIE-LCH	lch(63.42, 44.99, 276.08°)
OKLab	oklab(68.57% -0.0278 -0.1264)
OKLCH	oklch(68.57% 0.129 257.6)
XYZ	xyz(31.7910, 32.0899, 81.5937)
Luminance	0.3209 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#659BE9 #E9B365

analogous

#65DDE9 #659BE9 #7165E9

triadic

#659BE9 #E9659B #9BE965

tetradic

#659BE9 #E965DD #E9B365 #65E971

square

#659BE9 #E965DD #E9B365 #65E971

split-complementary

#659BE9 #E97165 #DDE965

monochromatic

#1A5BB9 #2F78E1 #659BE9 #9BBEF1 #D0E1F8

Accessibility & contrast

On white

2.83

#659BE9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.42

#659BE9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #659BE9

7.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##659BE9	#FFFFFF	#000000	##000000
##659BE9	1.00	2.83	7.42	7.42
#FFFFFF	2.83	1.00	21.00	21.00
#000000	7.42	21.00	1.00	1.00
##000000	7.42	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7BA0EC

Deuteranopia (green-blind)

#6A94E7

Tritanopia (blue-blind)

#00ACB7

Achromatopsia (no color)

#9A9A9A

Design tokens & code

CSS

--color: #659be9;
/* rgb */ color: rgb(101, 155, 233);
/* oklch */ color: oklch(68.6% 0.129 257.6);

Tailwind

colors: {
  custom: {
    50: '#9ab8f0',
    500: '#659be9',
    950: '#000000',
  },
}

SCSS

$custom: #659be9;
$custom-light: #9ab8f0;
$custom-dark: #000000;

JSON

{
  "hex": "#659be9",
  "rgb": {
    "r": 101,
    "g": 155,
    "b": 233
  },
  "hsl": {
    "h": 215.455,
    "s": 75,
    "l": 65.49
  },
  "oklch": {
    "l": 0.68572,
    "c": 0.12939,
    "h": 257.6
  },
  "luminance": 0.32093
}

Semantic roles & 50–950 ramp

primary

#659BE9

secondary

#EBD9BF

accent

#850ED7

background

#FAFBFE

surface

#F3F6FD

border

#CDD0D5

text

#0F1116

muted

#7F8084

Preview Lab

Preview with #659BE9

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

Preview Lab → · Contrast checker → · Palette generator →