#618FBB#618FBB

#618FBB is a light, moderate cyan. Relative luminance 0.258; OKLCH L 63.5% C 0.083 H 248.2°. Best body text is #000000 at 6.15:1 contrast (WCAG AA passes).

Color values

HEX#618FBB
RGBrgb(97, 143, 187)
HSLhsl(209, 40%, 56%)
HSVhsv(209, 48%, 73%)
CMYKcmyk(48.1%, 23.5%, 0%, 26.7%)
CIE-LABlab(57.82, -3.40, -27.77)
CIE-LCHlch(57.82, 27.98, 263.02°)
OKLaboklab(63.46% -0.031 -0.0774)
OKLCHoklch(63.46% 0.083 248.2)
XYZxyz(23.7188, 25.7725, 50.7288)
Luminance0.2577 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#618FBB #BB8D61
analogous
#61BBBA #618FBB #6162BB
triadic
#618FBB #BB618F #8FBB61
tetradic
#618FBB #BA61BB #BB8D61 #62BB61
square
#618FBB #BA61BB #BB8D61 #62BB61
split-complementary
#618FBB #BB6162 #BBBA61
monochromatic
#315271 #43709C #618FBB #8CADCD #B7CCE0

Accessibility & contrast

On white

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

On black

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

Best text color

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

Contrast matrix

fg \ bg##618FBB#FFFFFF#000000##000000
##618FBB1.003.416.156.15
#FFFFFF3.411.0021.0021.00
#0000006.1521.001.001.00
##0000006.1521.001.001.00

Color blindness preview

Protanopia (red-blind)
#7D90BD
Deuteranopia (green-blind)
#7287BA
Tritanopia (blue-blind)
#38999E
Achromatopsia (no color)
#8B8B8B

Design tokens & code

CSS
--color: #618fbb;
/* rgb */ color: rgb(97, 143, 187);
/* oklch */ color: oklch(63.5% 0.083 248.2);
Tailwind
colors: {
  custom: {
    50: '#93afcf',
    500: '#618fbb',
    950: '#000000',
  },
}
SCSS
$custom: #618fbb;
$custom-light: #93afcf;
$custom-dark: #000000;
JSON
{
  "hex": "#618fbb",
  "rgb": {
    "r": 97,
    "g": 143,
    "b": 187
  },
  "hsl": {
    "h": 209.333,
    "s": 39.823,
    "l": 55.686
  },
  "oklch": {
    "l": 0.63464,
    "c": 0.0834,
    "h": 248.2
  },
  "luminance": 0.25774
}

Semantic roles & 50–950 ramp

primary
#618FBB
secondary
#CFBBA9
accent
#9358D0
background
#F9FAFC
surface
#F2F4F9
border
#CCCED2
text
#0D1014
muted
#7E7F82

Preview Lab

Preview with #618FBB

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

Preview Lab → · Contrast checker → · Palette generator →

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