#617CB5#617CB5

#617CB5 is a mid, moderate blue. Relative luminance 0.203; OKLCH L 59.0% C 0.093 H 264.4°. Best body text is #000000 at 5.06:1 contrast (WCAG AA passes).

Color values

HEX#617CB5
RGBrgb(97, 124, 181)
HSLhsl(221, 36%, 55%)
HSVhsv(221, 46%, 71%)
CMYKcmyk(46.4%, 31.5%, 0%, 29%)
CIE-LABlab(52.17, 5.92, -33.13)
CIE-LCHlch(52.17, 33.66, 280.12°)
OKLaboklab(58.95% -0.0092 -0.0929)
OKLCHoklch(58.95% 0.093 264.4)
XYZxyz(20.4752, 20.2916, 46.5449)
Luminance0.2029 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#617CB5 #B59A61
analogous
#61A6B5 #617CB5 #7061B5
triadic
#617CB5 #B5617C #7CB561
tetradic
#617CB5 #B561A6 #B59A61 #61B570
square
#617CB5 #B561A6 #B59A61 #61B570
split-complementary
#617CB5 #B57061 #A6B561
monochromatic
#32446A #455E94 #617CB5 #8B9FC9 #B4C1DC

Accessibility & contrast

On white

4.15
#617CB5 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.06
#617CB5 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #617CB5
5.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##617CB5#FFFFFF#000000##000000
##617CB51.004.155.065.06
#FFFFFF4.151.0021.0021.00
#0000005.0621.001.001.00
##0000005.0621.001.001.00

Color blindness preview

Protanopia (red-blind)
#6781B7
Deuteranopia (green-blind)
#5E79B4
Tritanopia (blue-blind)
#408890
Achromatopsia (no color)
#7C7C7C

Design tokens & code

CSS
--color: #617cb5;
/* rgb */ color: rgb(97, 124, 181);
/* oklch */ color: oklch(59.0% 0.093 264.4);
Tailwind
colors: {
  custom: {
    50: '#92a1cb',
    500: '#617cb5',
    950: '#000000',
  },
}
SCSS
$custom: #617cb5;
$custom-light: #92a1cb;
$custom-dark: #000000;
JSON
{
  "hex": "#617cb5",
  "rgb": {
    "r": 97,
    "g": 124,
    "b": 181
  },
  "hsl": {
    "h": 220.714,
    "s": 36.207,
    "l": 54.51
  },
  "oklch": {
    "l": 0.58952,
    "c": 0.09337,
    "h": 264.4
  },
  "luminance": 0.20293
}

Semantic roles & 50–950 ramp

primary
#617CB5
secondary
#CBBFA7
accent
#A85CCC
background
#F9F9FC
surface
#F1F2F8
border
#CBCCD1
text
#0D0F13
muted
#7E7E82

Preview Lab

Preview with #617CB5

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

Preview Lab → · Contrast checker → · Palette generator →

#617CB5 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva