#4088CF#4088CF

#4088CF is a mid, vivid cyan. Relative luminance 0.232; OKLCH L 61.4% C 0.130 H 250.5°. Best body text is #000000 at 5.64:1 contrast (WCAG AA passes).

Color values

HEX#4088CF
RGBrgb(64, 136, 207)
HSLhsl(210, 60%, 53%)
HSVhsv(210, 69%, 81%)
CMYKcmyk(69.1%, 34.3%, 0%, 18.8%)
CIE-LABlab(55.28, 0.58, -43.17)
CIE-LCHlch(55.28, 43.17, 270.77°)
OKLaboklab(61.37% -0.0434 -0.1225)
OKLCHoklch(61.37% 0.13 250.5)
XYZxyz(22.1768, 23.2009, 62.3289)
Luminance0.2320 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4088CF #CF8740
analogous
#40CFCE #4088CF #4040CF
triadic
#4088CF #CF4088 #88CF40
tetradic
#4088CF #CE40CF #CF8740 #40CF40
square
#4088CF #CE40CF #CF8740 #40CF40
split-complementary
#4088CF #CF4040 #CFCE40
monochromatic
#1E4B77 #2A69A8 #4088CF #71A6DB #A2C5E8

Accessibility & contrast

On white

3.72
#4088CF on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.64
#4088CF on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4088CF
5.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4088CF#FFFFFF#000000##000000
##4088CF1.003.725.645.64
#FFFFFF3.721.0021.0021.00
#0000005.6421.001.001.00
##0000005.6421.001.001.00

Color blindness preview

Protanopia (red-blind)
#688CD2
Deuteranopia (green-blind)
#547ECE
Tritanopia (blue-blind)
#0099A2
Achromatopsia (no color)
#848484

Design tokens & code

CSS
--color: #4088cf;
/* rgb */ color: rgb(64, 136, 207);
/* oklch */ color: oklch(61.4% 0.130 250.5);
Tailwind
colors: {
  custom: {
    50: '#85aade',
    500: '#4088cf',
    950: '#000000',
  },
}
SCSS
$custom: #4088cf;
$custom-light: #85aade;
$custom-dark: #000000;
JSON
{
  "hex": "#4088cf",
  "rgb": {
    "r": 64,
    "g": 136,
    "b": 207
  },
  "hsl": {
    "h": 209.79,
    "s": 59.833,
    "l": 53.137
  },
  "oklch": {
    "l": 0.61372,
    "c": 0.12997,
    "h": 250.5
  },
  "luminance": 0.23203
}

Semantic roles & 50–950 ramp

primary
#4088CF
secondary
#D4B597
accent
#9345E3
background
#F8FAFD
surface
#F0F4FB
border
#CBCED4
text
#0C1015
muted
#7D7F83

Preview Lab

Preview with #4088CF

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

Preview Lab → · Contrast checker → · Palette generator →

#4088CF Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva