#4089E3#4089E3

#4089E3 is a light, vivid cyan. Relative luminance 0.245; OKLCH L 62.8% C 0.154 H 255.2°. Best body text is #000000 at 5.91:1 contrast (WCAG AA passes).

Color values

HEX#4089E3
RGBrgb(64, 137, 227)
HSLhsl(213, 74%, 57%)
HSVhsv(213, 72%, 89%)
CMYKcmyk(71.8%, 39.6%, 0%, 11%)
CIE-LABlab(56.61, 7.05, -52.28)
CIE-LCHlch(56.61, 52.76, 277.68°)
OKLaboklab(62.75% -0.0394 -0.1492)
OKLCHoklch(62.75% 0.154 255.2)
XYZxyz(24.9200, 24.5246, 76.0785)
Luminance0.2453 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4089E3 #E39A40
analogous
#40DAE3 #4089E3 #4940E3
triadic
#4089E3 #E34089 #89E340
tetradic
#4089E3 #E340DA #E39A40 #40E349
square
#4089E3 #E340DA #E39A40 #40E349
split-complementary
#4089E3 #E34940 #DAE340
monochromatic
#164E93 #1D6AC8 #4089E3 #75AAEB #ABCBF3

Accessibility & contrast

On white

3.56
#4089E3 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.91
#4089E3 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4089E3
5.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4089E3#FFFFFF#000000##000000
##4089E31.003.565.915.91
#FFFFFF3.561.0021.0021.00
#0000005.9121.001.001.00
##0000005.9121.001.001.00

Color blindness preview

Protanopia (red-blind)
#5F90E7
Deuteranopia (green-blind)
#4581E1
Tritanopia (blue-blind)
#009EAB
Achromatopsia (no color)
#888888

Design tokens & code

CSS
--color: #4089e3;
/* rgb */ color: rgb(64, 137, 227);
/* oklch */ color: oklch(62.8% 0.154 255.2);
Tailwind
colors: {
  custom: {
    50: '#88aaec',
    500: '#4089e3',
    950: '#000000',
  },
}
SCSS
$custom: #4089e3;
$custom-light: #88aaec;
$custom-dark: #000000;
JSON
{
  "hex": "#4089e3",
  "rgb": {
    "r": 64,
    "g": 137,
    "b": 227
  },
  "hsl": {
    "h": 213.129,
    "s": 74.429,
    "l": 57.059
  },
  "oklch": {
    "l": 0.62753,
    "c": 0.1543,
    "h": 255.2
  },
  "luminance": 0.24527
}

Semantic roles & 50–950 ramp

primary
#4089E3
secondary
#E1C39E
accent
#9E37F1
background
#F9FAFE
surface
#F1F4FD
border
#CBCED5
text
#0D1016
muted
#7E7F84

Preview Lab

Preview with #4089E3

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

Preview Lab → · Contrast checker → · Palette generator →

#4089E3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva