#4089B0#4089B0

#4089B0 is a mid, moderate cyan. Relative luminance 0.221; OKLCH L 60.0% C 0.094 H 234.7°. Best body text is #000000 at 5.42:1 contrast (WCAG AA passes).

Color values

HEX#4089B0
RGBrgb(64, 137, 176)
HSLhsl(201, 47%, 47%)
HSVhsv(201, 64%, 69%)
CMYKcmyk(63.6%, 22.2%, 0%, 31%)
CIE-LABlab(54.15, -10.55, -27.30)
CIE-LCHlch(54.15, 29.27, 248.86°)
OKLaboklab(60.01% -0.0541 -0.0765)
OKLCHoklch(60.01% 0.094 234.7)
XYZxyz(18.8935, 22.1140, 44.3386)
Luminance0.2212 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4089B0 #B06740
analogous
#40B09F #4089B0 #4051B0
triadic
#4089B0 #B04089 #89B040
tetradic
#4089B0 #9F40B0 #B06740 #51B040
square
#4089B0 #9F40B0 #B06740 #51B040
split-complementary
#4089B0 #B04051 #B09F40
monochromatic
#1F4356 #306683 #4089B0 #66A5C7 #93C0D8

Accessibility & contrast

On white

3.87
#4089B0 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.42
#4089B0 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4089B0
5.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4089B0#FFFFFF#000000##000000
##4089B01.003.875.425.42
#FFFFFF3.871.0021.0021.00
#0000005.4221.001.001.00
##0000005.4221.001.001.00

Color blindness preview

Protanopia (red-blind)
#7688B2
Deuteranopia (green-blind)
#677CAF
Tritanopia (blue-blind)
#009396
Achromatopsia (no color)
#818181

Design tokens & code

CSS
--color: #4089b0;
/* rgb */ color: rgb(64, 137, 176);
/* oklch */ color: oklch(60.0% 0.094 234.7);
Tailwind
colors: {
  custom: {
    50: '#80abc7',
    500: '#4089b0',
    950: '#000000',
  },
}
SCSS
$custom: #4089b0;
$custom-light: #80abc7;
$custom-dark: #000000;
JSON
{
  "hex": "#4089b0",
  "rgb": {
    "r": 64,
    "g": 137,
    "b": 176
  },
  "hsl": {
    "h": 200.893,
    "s": 46.667,
    "l": 47.059
  },
  "oklch": {
    "l": 0.60011,
    "c": 0.09371,
    "h": 234.7
  },
  "luminance": 0.22116
}

Semantic roles & 50–950 ramp

primary
#4089B0
secondary
#C39D89
accent
#8051D6
background
#F8FAFC
surface
#EFF4F8
border
#CACED1
text
#0B1013
muted
#7C7F82

Preview Lab

Preview with #4089B0

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

Preview Lab → · Contrast checker → · Palette generator →

#4089B0 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva