#6155BB#6155BB

#6155BB is a mid, vivid blue. Relative luminance 0.126; OKLCH L 51.5% C 0.155 H 284.9°. Best body text is #FFFFFF at 5.96:1 contrast (WCAG AA passes).

Color values

HEX#6155BB
RGBrgb(97, 85, 187)
HSLhsl(247, 43%, 53%)
HSVhsv(247, 55%, 73%)
CMYKcmyk(48.1%, 54.5%, 0%, 26.7%)
CIE-LABlab(42.19, 31.68, -52.45)
CIE-LCHlch(42.19, 61.27, 301.13°)
OKLaboklab(51.46% 0.0398 -0.1496)
OKLCHoklch(51.46% 0.155 284.9)
XYZxyz(17.1453, 12.6254, 48.5376)
Luminance0.1263 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#6155BB #AFBB55
analogous
#557CBB #6155BB #9455BB
triadic
#6155BB #BB6155 #55BB61
tetradic
#6155BB #BB557C #AFBB55 #55BB94
square
#6155BB #BB557C #AFBB55 #55BB94
split-complementary
#6155BB #BB9455 #7CBB55
monochromatic
#322B6B #473C97 #6155BB #8A81CC #B2ACDE

Accessibility & contrast

On white

5.96
#6155BB on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.53
#6155BB on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6155BB
5.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##6155BB#FFFFFF#000000##FFFFFF
##6155BB1.005.963.535.96
#FFFFFF5.961.0021.001.00
#0000003.5321.001.0021.00
##FFFFFF5.961.0021.001.00

Color blindness preview

Protanopia (red-blind)
#1D67BE
Deuteranopia (green-blind)
#1760B9
Tritanopia (blue-blind)
#426C80
Achromatopsia (no color)
#646464

Design tokens & code

CSS
--color: #6155bb;
/* rgb */ color: rgb(97, 85, 187);
/* oklch */ color: oklch(51.5% 0.155 284.9);
Tailwind
colors: {
  custom: {
    50: '#9485d0',
    500: '#6155bb',
    950: '#000000',
  },
}
SCSS
$custom: #6155bb;
$custom-light: #9485d0;
$custom-dark: #000000;
JSON
{
  "hex": "#6155bb",
  "rgb": {
    "r": 97,
    "g": 85,
    "b": 187
  },
  "hsl": {
    "h": 247.059,
    "s": 42.857,
    "l": 53.333
  },
  "oklch": {
    "l": 0.51457,
    "c": 0.15481,
    "h": 284.9
  },
  "luminance": 0.12626
}

Semantic roles & 50–950 ramp

primary
#6155BB
secondary
#C7CCA0
accent
#D355C4
background
#F9F8FC
surface
#F2EFF9
border
#CCCAD2
text
#0E0B14
muted
#7E7C82

Preview Lab

Preview with #6155BB

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

Preview Lab → · Contrast checker → · Palette generator →

#6155BB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva