#4088DD#4088DD

#4088DD is a light, vivid cyan. Relative luminance 0.239; OKLCH L 62.2% C 0.148 H 254.3°. Best body text is #000000 at 5.78:1 contrast (WCAG AA passes).

Color values

HEX#4088DD
RGBrgb(64, 136, 221)
HSLhsl(212, 70%, 56%)
HSVhsv(212, 71%, 87%)
CMYKcmyk(71%, 38.5%, 0%, 13.3%)
CIE-LABlab(56.00, 5.51, -49.89)
CIE-LCHlch(56.00, 50.20, 276.31°)
OKLaboklab(62.18% -0.0399 -0.1422)
OKLCHoklch(62.18% 0.148 254.3)
XYZxyz(23.9648, 23.9162, 71.7459)
Luminance0.2392 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4088DD #DD9540
analogous
#40D7DD #4088DD #4640DD
triadic
#4088DD #DD4088 #88DD40
tetradic
#4088DD #DD40D7 #DD9540 #40DD46
square
#4088DD #DD40D7 #DD9540 #40DD46
split-complementary
#4088DD #DD4640 #D7DD40
monochromatic
#194D8A #2269BE #4088DD #74A8E6 #A8C9EF

Accessibility & contrast

On white

3.63
#4088DD on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.78
#4088DD on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4088DD
5.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4088DD#FFFFFF#000000##000000
##4088DD1.003.635.785.78
#FFFFFF3.631.0021.0021.00
#0000005.7821.001.001.00
##0000005.7821.001.001.00

Color blindness preview

Protanopia (red-blind)
#618EE0
Deuteranopia (green-blind)
#4980DB
Tritanopia (blue-blind)
#009CA8
Achromatopsia (no color)
#868686

Design tokens & code

CSS
--color: #4088dd;
/* rgb */ color: rgb(64, 136, 221);
/* oklch */ color: oklch(62.2% 0.148 254.3);
Tailwind
colors: {
  custom: {
    50: '#87aae8',
    500: '#4088dd',
    950: '#000000',
  },
}
SCSS
$custom: #4088dd;
$custom-light: #87aae8;
$custom-dark: #000000;
JSON
{
  "hex": "#4088dd",
  "rgb": {
    "r": 64,
    "g": 136,
    "b": 221
  },
  "hsl": {
    "h": 212.484,
    "s": 69.778,
    "l": 55.882
  },
  "oklch": {
    "l": 0.62176,
    "c": 0.14768,
    "h": 254.3
  },
  "luminance": 0.23919
}

Semantic roles & 50–950 ramp

primary
#4088DD
secondary
#DDBF9C
accent
#9B3BED
background
#F9FAFE
surface
#F1F4FC
border
#CBCED5
text
#0D0F16
muted
#7E7F84

Preview Lab

Preview with #4088DD

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

Preview Lab → · Contrast checker → · Palette generator →

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