#616CCB#616CCB

#616CCB is a mid, vivid blue. Relative luminance 0.176; OKLCH L 56.9% C 0.145 H 275.8°. Best body text is #FFFFFF at 4.65:1 contrast (WCAG AA passes).

Color values

HEX#616CCB
RGBrgb(97, 108, 203)
HSLhsl(234, 50%, 59%)
HSVhsv(234, 52%, 80%)
CMYKcmyk(52.2%, 46.8%, 0%, 20.4%)
CIE-LABlab(48.98, 22.52, -50.81)
CIE-LCHlch(48.98, 55.57, 293.90°)
OKLaboklab(56.88% 0.0147 -0.1446)
OKLCHoklch(56.88% 0.145 275.8)
XYZxyz(21.0684, 17.5770, 58.7708)
Luminance0.1758 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#616CCB #CBC061
analogous
#61A1CB #616CCB #8B61CB
triadic
#616CCB #CB616C #6CCB61
tetradic
#616CCB #CB61A1 #CBC061 #61CB8B
square
#616CCB #CB61A1 #CBC061 #61CB8B
split-complementary
#616CCB #CB8B61 #A1CB61
monochromatic
#2C3586 #3B48B4 #616CCB #8F97DA #BDC2E9

Accessibility & contrast

On white

4.65
#616CCB on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.52
#616CCB on #000000
AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #616CCB
4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##616CCB#FFFFFF#000000##FFFFFF
##616CCB1.004.654.524.65
#FFFFFF4.651.0021.001.00
#0000004.5221.001.0021.00
##FFFFFF4.651.0021.001.00

Color blindness preview

Protanopia (red-blind)
#4279CE
Deuteranopia (green-blind)
#3670C9
Tritanopia (blue-blind)
#328192
Achromatopsia (no color)
#747474

Design tokens & code

CSS
--color: #616ccb;
/* rgb */ color: rgb(97, 108, 203);
/* oklch */ color: oklch(56.9% 0.145 275.8);
Tailwind
colors: {
  custom: {
    50: '#9595db',
    500: '#616ccb',
    950: '#000000',
  },
}
SCSS
$custom: #616ccb;
$custom-light: #9595db;
$custom-dark: #000000;
JSON
{
  "hex": "#616ccb",
  "rgb": {
    "r": 97,
    "g": 108,
    "b": 203
  },
  "hsl": {
    "h": 233.774,
    "s": 50.476,
    "l": 58.824
  },
  "oklch": {
    "l": 0.56876,
    "c": 0.14535,
    "h": 275.8
  },
  "luminance": 0.17578
}

Semantic roles & 50–950 ramp

primary
#616CCB
secondary
#D9D4AF
accent
#CB4EDA
background
#F9F9FD
surface
#F2F1FB
border
#CCCBD4
text
#0E0D15
muted
#7E7E83

Preview Lab

Preview with #616CCB

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

Preview Lab → · Contrast checker → · Palette generator →

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