#618DCF#618DCF

#618DCF is a light, moderate blue. Relative luminance 0.261; OKLCH L 64.0% C 0.111 H 258.3°. Best body text is #000000 at 6.22:1 contrast (WCAG AA passes).

Color values

HEX#618DCF
RGBrgb(97, 141, 207)
HSLhsl(216, 53%, 60%)
HSVhsv(216, 53%, 81%)
CMYKcmyk(53.1%, 31.9%, 0%, 18.8%)
CIE-LABlab(58.13, 3.87, -38.59)
CIE-LCHlch(58.13, 38.78, 275.72°)
OKLaboklab(63.99% -0.0225 -0.1086)
OKLCHoklch(63.99% 0.111 258.3)
XYZxyz(25.7133, 26.0942, 62.7011)
Luminance0.2610 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#618DCF #CFA361
analogous
#61C4CF #618DCF #6C61CF
triadic
#618DCF #CF618D #8DCF61
tetradic
#618DCF #CF61C4 #CFA361 #61CF6C
square
#618DCF #CF61C4 #CFA361 #61CF6C
split-complementary
#618DCF #CF6C61 #C4CF61
monochromatic
#2A518B #396CBA #618DCF #90AFDD #BFD1EC

Accessibility & contrast

On white

3.38
#618DCF on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.22
#618DCF on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #618DCF
6.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##618DCF#FFFFFF#000000##000000
##618DCF1.003.386.226.22
#FFFFFF3.381.0021.0021.00
#0000006.2221.001.001.00
##0000006.2221.001.001.00

Color blindness preview

Protanopia (red-blind)
#7391D2
Deuteranopia (green-blind)
#6587CE
Tritanopia (blue-blind)
#259CA5
Achromatopsia (no color)
#8C8C8C

Design tokens & code

CSS
--color: #618dcf;
/* rgb */ color: rgb(97, 141, 207);
/* oklch */ color: oklch(64.0% 0.111 258.3);
Tailwind
colors: {
  custom: {
    50: '#95aede',
    500: '#618dcf',
    950: '#000000',
  },
}
SCSS
$custom: #618dcf;
$custom-light: #95aede;
$custom-dark: #000000;
JSON
{
  "hex": "#618dcf",
  "rgb": {
    "r": 97,
    "g": 141,
    "b": 207
  },
  "hsl": {
    "h": 216,
    "s": 53.398,
    "l": 59.608
  },
  "oklch": {
    "l": 0.63991,
    "c": 0.11097,
    "h": 258.3
  },
  "luminance": 0.26096
}

Semantic roles & 50–950 ramp

primary
#618DCF
secondary
#DBCAB1
accent
#A24BDD
background
#F9FAFD
surface
#F2F4FB
border
#CCCED4
text
#0E1015
muted
#7E7F83

Preview Lab

Preview with #618DCF

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

Preview Lab → · Contrast checker → · Palette generator →

#618DCF Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva