#659EEF#659EEF

#659EEF is a light, vivid blue. Relative luminance 0.335; OKLCH L 69.5% C 0.134 H 257.3°. Best body text is #000000 at 7.69:1 contrast (WCAG AA passes).

Color values

HEX	#659EEF
RGB	rgb(101, 158, 239)
HSL	hsl(215, 81%, 67%)
HSV	hsv(215, 58%, 94%)
CMYK	cmyk(57.7%, 33.9%, 0%, 6.3%)
CIE-LAB	lab(64.52, 4.93, -46.29)
CIE-LCH	lch(64.52, 46.56, 276.08°)
OKLab	oklab(69.53% -0.0295 -0.1309)
OKLCH	oklch(69.53% 0.134 257.3)
XYZ	xyz(33.1682, 33.4496, 86.3531)
Luminance	0.3345 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#659EEF #EFB665

analogous

#65E3EF #659EEF #7165EF

triadic

#659EEF #EF659E #9EEF65

tetradic

#659EEF #EF65E3 #EFB665 #65EF71

square

#659EEF #EF65E3 #EFB665 #65EF71

split-complementary

#659EEF #EF7165 #E3EF65

monochromatic

#145DC5 #2E7BE9 #659EEF #9CC1F5 #D4E4FB

Accessibility & contrast

On white

2.73

#659EEF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.69

#659EEF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #659EEF

7.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##659EEF	#FFFFFF	#000000	##000000
##659EEF	1.00	2.73	7.69	7.69
#FFFFFF	2.73	1.00	21.00	21.00
#000000	7.69	21.00	1.00	1.00
##000000	7.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7CA4F2

Deuteranopia (green-blind)

#6A97ED

Tritanopia (blue-blind)

#00B0BB

Achromatopsia (no color)

#9C9C9C

Design tokens & code

CSS

--color: #659eef;
/* rgb */ color: rgb(101, 158, 239);
/* oklch */ color: oklch(69.5% 0.134 257.3);

Tailwind

colors: {
  custom: {
    50: '#9bbaf4',
    500: '#659eef',
    950: '#000000',
  },
}

SCSS

$custom: #659eef;
$custom-light: #9bbaf4;
$custom-dark: #000000;

JSON

{
  "hex": "#659eef",
  "rgb": {
    "r": 101,
    "g": 158,
    "b": 239
  },
  "hsl": {
    "h": 215.217,
    "s": 81.176,
    "l": 66.667
  },
  "oklch": {
    "l": 0.69527,
    "c": 0.13417,
    "h": 257.3
  },
  "luminance": 0.33452
}

Semantic roles & 50–950 ramp

primary

#659EEF

secondary

#EEDCC2

accent

#8508DE

background

#FAFBFE

surface

#F3F6FD

border

#CDD0D5

text

#0F1117

muted

#7F8085

Preview Lab

Preview with #659EEF

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

Preview Lab → · Contrast checker → · Palette generator →