#4089BD#4089BD

#4089BD is a mid, moderate cyan. Relative luminance 0.227; OKLCH L 60.6% C 0.108 H 242.5°. Best body text is #000000 at 5.53:1 contrast (WCAG AA passes).

Color values

HEX#4089BD
RGBrgb(64, 137, 189)
HSLhsl(205, 49%, 50%)
HSVhsv(205, 66%, 74%)
CMYKcmyk(66.1%, 27.5%, 0%, 25.9%)
CIE-LABlab(54.71, -6.21, -33.85)
CIE-LCHlch(54.71, 34.41, 259.60°)
OKLaboklab(60.65% -0.0497 -0.0954)
OKLCHoklch(60.65% 0.108 242.5)
XYZxyz(20.2418, 22.6533, 51.4400)
Luminance0.2266 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4089BD #BD7440
analogous
#40BDB3 #4089BD #404BBD
triadic
#4089BD #BD4089 #89BD40
tetradic
#4089BD #B340BD #BD7440 #4BBD40
square
#4089BD #B340BD #BD7440 #4BBD40
split-complementary
#4089BD #BD404B #BDB340
monochromatic
#214762 #31688F #4089BD #6DA5CD #9AC1DD

Accessibility & contrast

On white

3.80
#4089BD on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.53
#4089BD on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4089BD
5.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4089BD#FFFFFF#000000##000000
##4089BD1.003.805.535.53
#FFFFFF3.801.0021.0021.00
#0000005.5321.001.001.00
##0000005.5321.001.001.00

Color blindness preview

Protanopia (red-blind)
#728ABF
Deuteranopia (green-blind)
#607DBC
Tritanopia (blue-blind)
#00969B
Achromatopsia (no color)
#838383

Design tokens & code

CSS
--color: #4089bd;
/* rgb */ color: rgb(64, 137, 189);
/* oklch */ color: oklch(60.6% 0.108 242.5);
Tailwind
colors: {
  custom: {
    50: '#82abd1',
    500: '#4089bd',
    950: '#000000',
  },
}
SCSS
$custom: #4089bd;
$custom-light: #82abd1;
$custom-dark: #000000;
JSON
{
  "hex": "#4089bd",
  "rgb": {
    "r": 64,
    "g": 137,
    "b": 189
  },
  "hsl": {
    "h": 204.96,
    "s": 49.407,
    "l": 49.608
  },
  "oklch": {
    "l": 0.60646,
    "c": 0.10757,
    "h": 242.5
  },
  "luminance": 0.22655
}

Semantic roles & 50–950 ramp

primary
#4089BD
secondary
#C9A890
accent
#884FD9
background
#F8FAFC
surface
#F0F4F9
border
#CBCED2
text
#0B1014
muted
#7C7F82

Preview Lab

Preview with #4089BD

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

Preview Lab → · Contrast checker → · Palette generator →

#4089BD Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva