#659BEB#659BEB

#659BEB is a light, vivid blue. Relative luminance 0.322; OKLCH L 68.7% C 0.132 H 258.1°. Best body text is #000000 at 7.44:1 contrast (WCAG AA passes).

Color values

HEX	#659BEB
RGB	rgb(101, 155, 235)
HSL	hsl(216, 77%, 66%)
HSV	hsv(216, 57%, 92%)
CMYK	cmyk(57%, 34%, 0%, 7.8%)
CIE-LAB	lab(63.51, 5.40, -45.69)
CIE-LCH	lch(63.51, 46.01, 276.74°)
OKLab	oklab(68.68% -0.0273 -0.1291)
OKLCH	oklch(68.68% 0.132 258.1)
XYZ	xyz(32.0783, 32.2049, 83.1069)
Luminance	0.3221 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#659BEB #EBB565

analogous

#65DEEB #659BEB #7265EB

triadic

#659BEB #EB659B #9BEB65

tetradic

#659BEB #EB65DE #EBB565 #65EB72

square

#659BEB #EB65DE #EBB565 #65EB72

split-complementary

#659BEB #EB7265 #DEEB65

monochromatic

#195BBD #2F78E4 #659BEB #9BBEF2 #D1E1F9

Accessibility & contrast

On white

2.82

#659BEB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.44

#659BEB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #659BEB

7.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##659BEB	#FFFFFF	#000000	##000000
##659BEB	1.00	2.82	7.44	7.44
#FFFFFF	2.82	1.00	21.00	21.00
#000000	7.44	21.00	1.00	1.00
##000000	7.44	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7AA1EE

Deuteranopia (green-blind)

#6994E9

Tritanopia (blue-blind)

#00ADB8

Achromatopsia (no color)

#9A9A9A

Design tokens & code

CSS

--color: #659beb;
/* rgb */ color: rgb(101, 155, 235);
/* oklch */ color: oklch(68.7% 0.132 258.1);

Tailwind

colors: {
  custom: {
    50: '#9ab8f2',
    500: '#659beb',
    950: '#000000',
  },
}

SCSS

$custom: #659beb;
$custom-light: #9ab8f2;
$custom-dark: #000000;

JSON

{
  "hex": "#659beb",
  "rgb": {
    "r": 101,
    "g": 155,
    "b": 235
  },
  "hsl": {
    "h": 215.821,
    "s": 77.011,
    "l": 65.882
  },
  "oklch": {
    "l": 0.68677,
    "c": 0.132,
    "h": 258.1
  },
  "luminance": 0.32208
}

Semantic roles & 50–950 ramp

primary

#659BEB

secondary

#ECDAC0

accent

#870CD9

background

#FAFBFE

surface

#F3F6FD

border

#CDD0D5

text

#0F1117

muted

#7F8085

Preview Lab

Preview with #659BEB

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

Preview Lab → · Contrast checker → · Palette generator →