#659FEF#659FEF

#659FEF is a light, vivid cyan. Relative luminance 0.338; OKLCH L 69.7% C 0.133 H 256.7°. Best body text is #000000 at 7.76:1 contrast (WCAG AA passes).

Color values

HEX#659FEF
RGBrgb(101, 159, 239)
HSLhsl(215, 81%, 67%)
HSVhsv(215, 58%, 94%)
CMYKcmyk(57.7%, 33.5%, 0%, 6.3%)
CIE-LABlab(64.80, 4.36, -45.86)
CIE-LCHlch(64.80, 46.07, 275.43°)
OKLaboklab(69.74% -0.0306 -0.1296)
OKLCHoklch(69.74% 0.133 256.7)
XYZxyz(33.3395, 33.7921, 86.4102)
Luminance0.3379 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#659FEF #EFB565
analogous
#65E4EF #659FEF #7065EF
triadic
#659FEF #EF659F #9FEF65
tetradic
#659FEF #EF65E4 #EFB565 #65EF70
square
#659FEF #EF65E4 #EFB565 #65EF70
split-complementary
#659FEF #EF7065 #E4EF65
monochromatic
#145FC5 #2E7CE9 #659FEF #9CC2F5 #D4E4FB

Accessibility & contrast

On white

2.71
#659FEF on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.76
#659FEF on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #659FEF
7.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##659FEF#FFFFFF#000000##000000
##659FEF1.002.717.767.76
#FFFFFF2.711.0021.0021.00
#0000007.7621.001.001.00
##0000007.7621.001.001.00

Color blindness preview

Protanopia (red-blind)
#7EA4F2
Deuteranopia (green-blind)
#6C97ED
Tritanopia (blue-blind)
#00B1BC
Achromatopsia (no color)
#9D9D9D

Design tokens & code

CSS
--color: #659fef;
/* rgb */ color: rgb(101, 159, 239);
/* oklch */ color: oklch(69.7% 0.133 256.7);
Tailwind
colors: {
  custom: {
    50: '#9bbbf4',
    500: '#659fef',
    950: '#000000',
  },
}
SCSS
$custom: #659fef;
$custom-light: #9bbbf4;
$custom-dark: #000000;
JSON
{
  "hex": "#659fef",
  "rgb": {
    "r": 101,
    "g": 159,
    "b": 239
  },
  "hsl": {
    "h": 214.783,
    "s": 81.176,
    "l": 66.667
  },
  "oklch": {
    "l": 0.69741,
    "c": 0.13317,
    "h": 256.7
  },
  "luminance": 0.33795
}

Semantic roles & 50–950 ramp

primary
#659FEF
secondary
#EEDBC2
accent
#8408DE
background
#FAFBFE
surface
#F3F6FD
border
#CDD0D5
text
#0F1117
muted
#7F8085

Preview Lab

Preview with #659FEF

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

Preview Lab → · Contrast checker → · Palette generator →

#659FEF Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva