#659CEE#659CEE

#659CEE is a light, vivid blue. Relative luminance 0.327; OKLCH L 69.0% C 0.135 H 258.2°. Best body text is #000000 at 7.54:1 contrast (WCAG AA passes).

Color values

HEX	#659CEE
RGB	rgb(101, 156, 238)
HSL	hsl(216, 80%, 66%)
HSV	hsv(216, 58%, 93%)
CMYK	cmyk(57.6%, 34.5%, 0%, 6.7%)
CIE-LAB	lab(63.93, 5.77, -46.68)
CIE-LCH	lch(63.93, 47.04, 277.05°)
OKLab	oklab(69.05% -0.0276 -0.132)
OKLCH	oklch(69.05% 0.135 258.2)
XYZ	xyz(32.6825, 32.7139, 85.4645)
Luminance	0.3272 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#659CEE #EEB765

analogous

#65E1EE #659CEE #7365EE

triadic

#659CEE #EE659C #9CEE65

tetradic

#659CEE #EE65E1 #EEB765 #65EE73

square

#659CEE #EE65E1 #EEB765 #65EE73

split-complementary

#659CEE #EE7365 #E1EE65

monochromatic

#165BC3 #2E79E8 #659CEE #9CBFF4 #D3E3FA

Accessibility & contrast

On white

2.78

#659CEE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.54

#659CEE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #659CEE

7.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##659CEE	#FFFFFF	#000000	##000000
##659CEE	1.00	2.78	7.54	7.54
#FFFFFF	2.78	1.00	21.00	21.00
#000000	7.54	21.00	1.00	1.00
##000000	7.54	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7AA2F1

Deuteranopia (green-blind)

#6895EC

Tritanopia (blue-blind)

#00AEBA

Achromatopsia (no color)

#9B9B9B

Design tokens & code

CSS

--color: #659cee;
/* rgb */ color: rgb(101, 156, 238);
/* oklch */ color: oklch(69.0% 0.135 258.2);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#659cee",
  "rgb": {
    "r": 101,
    "g": 156,
    "b": 238
  },
  "hsl": {
    "h": 215.912,
    "s": 80.117,
    "l": 66.471
  },
  "oklch": {
    "l": 0.69048,
    "c": 0.13489,
    "h": 258.2
  },
  "luminance": 0.32717
}

Semantic roles & 50–950 ramp

primary

#659CEE

secondary

#EEDCC1

accent

#8809DC

background

#FAFBFE

surface

#F3F6FD

border

#CDD0D5

text

#0F1117

muted

#7F8085

Preview Lab

Preview with #659CEE

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

Preview Lab → · Contrast checker → · Palette generator →