#618DB5#618DB5

#618DB5 is a light, moderate cyan. Relative luminance 0.249; OKLCH L 62.7% C 0.078 H 246.8°. Best body text is #000000 at 5.99:1 contrast (WCAG AA passes).

Color values

HEX#618DB5
RGBrgb(97, 141, 181)
HSLhsl(209, 36%, 55%)
HSVhsv(209, 46%, 71%)
CMYKcmyk(46.4%, 22.1%, 0%, 29%)
CIE-LABlab(57.00, -4.03, -25.62)
CIE-LCHlch(57.00, 25.94, 261.06°)
OKLaboklab(62.74% -0.0305 -0.0713)
OKLCHoklch(62.74% 0.078 246.8)
XYZxyz(22.7923, 24.9258, 47.3172)
Luminance0.2493 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#618DB5 #B58961
analogous
#61B5B3 #618DB5 #6163B5
triadic
#618DB5 #B5618D #8DB561
tetradic
#618DB5 #B361B5 #B58961 #63B561
square
#618DB5 #B361B5 #B58961 #63B561
split-complementary
#618DB5 #B56163 #B5B361
monochromatic
#324F6A #456E94 #618DB5 #8BABC9 #B4C9DC

Accessibility & contrast

On white

3.51
#618DB5 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.99
#618DB5 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #618DB5
5.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##618DB5#FFFFFF#000000##000000
##618DB51.003.515.995.99
#FFFFFF3.511.0021.0021.00
#0000005.9921.001.001.00
##0000005.9921.001.001.00

Color blindness preview

Protanopia (red-blind)
#7D8EB7
Deuteranopia (green-blind)
#7285B4
Tritanopia (blue-blind)
#3D969A
Achromatopsia (no color)
#898989

Design tokens & code

CSS
--color: #618db5;
/* rgb */ color: rgb(97, 141, 181);
/* oklch */ color: oklch(62.7% 0.078 246.8);
Tailwind
colors: {
  custom: {
    50: '#92aecb',
    500: '#618db5',
    950: '#000000',
  },
}
SCSS
$custom: #618db5;
$custom-light: #92aecb;
$custom-dark: #000000;
JSON
{
  "hex": "#618db5",
  "rgb": {
    "r": 97,
    "g": 141,
    "b": 181
  },
  "hsl": {
    "h": 208.571,
    "s": 36.207,
    "l": 54.51
  },
  "oklch": {
    "l": 0.6274,
    "c": 0.07756,
    "h": 246.8
  },
  "luminance": 0.24927
}

Semantic roles & 50–950 ramp

primary
#618DB5
secondary
#CBB8A7
accent
#915CCC
background
#F9FAFC
surface
#F2F4F8
border
#CCCED1
text
#0D1013
muted
#7E7F82

Preview Lab

Preview with #618DB5

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

Preview Lab → · Contrast checker → · Palette generator →

#618DB5 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva