#618BD4#618BD4

#618BD4 is a light, moderate blue. Relative luminance 0.258; OKLCH L 63.8% C 0.120 H 260.9°. Best body text is #000000 at 6.15:1 contrast (WCAG AA passes).

Color values

HEX#618BD4
RGBrgb(97, 139, 212)
HSLhsl(218, 57%, 61%)
HSVhsv(218, 54%, 83%)
CMYKcmyk(54.2%, 34.4%, 0%, 16.9%)
CIE-LABlab(57.81, 6.62, -41.90)
CIE-LCHlch(57.81, 42.42, 278.97°)
OKLaboklab(63.82% -0.019 -0.1183)
OKLCHoklch(63.82% 0.12 260.9)
XYZxyz(26.0420, 25.7581, 65.8741)
Luminance0.2576 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#618BD4 #D4AA61
analogous
#61C4D4 #618BD4 #7061D4
triadic
#618BD4 #D4618B #8BD461
tetradic
#618BD4 #D461C4 #D4AA61 #61D470
square
#618BD4 #D461C4 #D4AA61 #61D470
split-complementary
#618BD4 #D47061 #C4D461
monochromatic
#284F93 #3569C3 #618BD4 #91AEE1 #C1D2EE

Accessibility & contrast

On white

3.41
#618BD4 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.15
#618BD4 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #618BD4
6.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##618BD4#FFFFFF#000000##000000
##618BD41.003.416.156.15
#FFFFFF3.411.0021.0021.00
#0000006.1521.001.001.00
##0000006.1521.001.001.00

Color blindness preview

Protanopia (red-blind)
#6E91D7
Deuteranopia (green-blind)
#6086D2
Tritanopia (blue-blind)
#1D9BA6
Achromatopsia (no color)
#8B8B8B

Design tokens & code

CSS
--color: #618bd4;
/* rgb */ color: rgb(97, 139, 212);
/* oklch */ color: oklch(63.8% 0.120 260.9);
Tailwind
colors: {
  custom: {
    50: '#95ace1',
    500: '#618bd4',
    950: '#000000',
  },
}
SCSS
$custom: #618bd4;
$custom-light: #95ace1;
$custom-dark: #000000;
JSON
{
  "hex": "#618bd4",
  "rgb": {
    "r": 97,
    "g": 139,
    "b": 212
  },
  "hsl": {
    "h": 218.087,
    "s": 57.214,
    "l": 60.588
  },
  "oklch": {
    "l": 0.6382,
    "c": 0.11981,
    "h": 260.9
  },
  "luminance": 0.2576
}

Semantic roles & 50–950 ramp

primary
#618BD4
secondary
#DECEB3
accent
#8921C5
background
#F9FAFD
surface
#F2F4FB
border
#CCCED4
text
#0E1015
muted
#7E7F83

Preview Lab

Preview with #618BD4

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

Preview Lab → · Contrast checker → · Palette generator →

#618BD4 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva