#4088AB#4088AB

#4088AB is a mid, moderate cyan. Relative luminance 0.216; OKLCH L 59.5% C 0.089 H 232.1°. Best body text is #000000 at 5.33:1 contrast (WCAG AA passes).

Color values

HEX#4088AB
RGBrgb(64, 136, 171)
HSLhsl(200, 46%, 46%)
HSVhsv(200, 63%, 67%)
CMYKcmyk(62.6%, 20.5%, 0%, 32.9%)
CIE-LABlab(53.64, -11.63, -25.21)
CIE-LCHlch(53.64, 27.76, 245.24°)
OKLaboklab(59.54% -0.0549 -0.0705)
OKLCHoklch(59.54% 0.089 232.1)
XYZxyz(18.2664, 21.6368, 41.7339)
Luminance0.2164 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4088AB #AB6340
analogous
#40AB98 #4088AB #4052AB
triadic
#4088AB #AB4088 #88AB40
tetradic
#4088AB #9840AB #AB6340 #52AB40
square
#4088AB #9840AB #AB6340 #52AB40
split-complementary
#4088AB #AB4052 #AB9840
monochromatic
#1F4152 #2F657E #4088AB #63A5C5 #90BFD5

Accessibility & contrast

On white

3.94
#4088AB on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.33
#4088AB on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4088AB
5.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4088AB#FFFFFF#000000##000000
##4088AB1.003.945.335.33
#FFFFFF3.941.0021.0021.00
#0000005.3321.001.001.00
##0000005.3321.001.001.00

Color blindness preview

Protanopia (red-blind)
#7786AD
Deuteranopia (green-blind)
#687BAA
Tritanopia (blue-blind)
#009194
Achromatopsia (no color)
#808080

Design tokens & code

CSS
--color: #4088ab;
/* rgb */ color: rgb(64, 136, 171);
/* oklch */ color: oklch(59.5% 0.089 232.1);
Tailwind
colors: {
  custom: {
    50: '#7faac4',
    500: '#4088ab',
    950: '#000000',
  },
}
SCSS
$custom: #4088ab;
$custom-light: #7faac4;
$custom-dark: #000000;
JSON
{
  "hex": "#4088ab",
  "rgb": {
    "r": 64,
    "g": 136,
    "b": 171
  },
  "hsl": {
    "h": 199.626,
    "s": 45.532,
    "l": 46.078
  },
  "oklch": {
    "l": 0.59538,
    "c": 0.08934,
    "h": 232.1
  },
  "luminance": 0.21639
}

Semantic roles & 50–950 ramp

primary
#4088AB
secondary
#C19986
accent
#7D53D5
background
#F8FAFC
surface
#EFF4F8
border
#CACED1
text
#0B1012
muted
#7C7F81

Preview Lab

Preview with #4088AB

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

Preview Lab → · Contrast checker → · Palette generator →

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