#616BCB#616BCB

#616BCB is a mid, vivid blue. Relative luminance 0.174; OKLCH L 56.7% C 0.147 H 276.2°. Best body text is #FFFFFF at 4.69:1 contrast (WCAG AA passes).

Color values

HEX#616BCB
RGBrgb(97, 107, 203)
HSLhsl(234, 50%, 59%)
HSVhsv(234, 52%, 80%)
CMYKcmyk(52.2%, 47.3%, 0%, 20.4%)
CIE-LABlab(48.72, 23.13, -51.22)
CIE-LCHlch(48.72, 56.20, 294.30°)
OKLaboklab(56.68% 0.0158 -0.1458)
OKLCHoklch(56.68% 0.147 276.2)
XYZxyz(20.9635, 17.3672, 58.7359)
Luminance0.1737 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#616BCB #CBC161
analogous
#61A0CB #616BCB #8C61CB
triadic
#616BCB #CB616B #6BCB61
tetradic
#616BCB #CB61A0 #CBC161 #61CB8C
square
#616BCB #CB61A0 #CBC161 #61CB8C
split-complementary
#616BCB #CB8C61 #A0CB61
monochromatic
#2C3486 #3B47B4 #616BCB #8F96DA #BDC1E9

Accessibility & contrast

On white

4.69
#616BCB on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.47
#616BCB on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #616BCB
4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##616BCB#FFFFFF#000000##FFFFFF
##616BCB1.004.694.474.69
#FFFFFF4.691.0021.001.00
#0000004.4721.001.0021.00
##FFFFFF4.691.0021.001.00

Color blindness preview

Protanopia (red-blind)
#4078CF
Deuteranopia (green-blind)
#3470C9
Tritanopia (blue-blind)
#328091
Achromatopsia (no color)
#747474

Design tokens & code

CSS
--color: #616bcb;
/* rgb */ color: rgb(97, 107, 203);
/* oklch */ color: oklch(56.7% 0.147 276.2);
Tailwind
colors: {
  custom: {
    50: '#9595db',
    500: '#616bcb',
    950: '#000000',
  },
}
SCSS
$custom: #616bcb;
$custom-light: #9595db;
$custom-dark: #000000;
JSON
{
  "hex": "#616bcb",
  "rgb": {
    "r": 97,
    "g": 107,
    "b": 203
  },
  "hsl": {
    "h": 234.34,
    "s": 50.476,
    "l": 58.824
  },
  "oklch": {
    "l": 0.56679,
    "c": 0.14669,
    "h": 276.2
  },
  "luminance": 0.17369
}

Semantic roles & 50–950 ramp

primary
#616BCB
secondary
#D9D5AF
accent
#CD4EDA
background
#F9F9FD
surface
#F2F1FB
border
#CCCBD4
text
#0E0D15
muted
#7E7E83

Preview Lab

Preview with #616BCB

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

Preview Lab → · Contrast checker → · Palette generator →

#616BCB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva