#2490B5#2490B5

#2490B5 is a mid, moderate cyan. Relative luminance 0.237; OKLCH L 61.1% C 0.107 H 226.5°. Best body text is #000000 at 5.73:1 contrast (WCAG AA passes).

Color values

HEX#2490B5
RGBrgb(36, 144, 181)
HSLhsl(195, 67%, 43%)
HSVhsv(195, 80%, 71%)
CMYKcmyk(80.1%, 20.4%, 0%, 29%)
CIE-LABlab(55.74, -16.68, -27.75)
CIE-LCHlch(55.74, 32.38, 238.99°)
OKLaboklab(61.14% -0.074 -0.0779)
OKLCHoklch(61.14% 0.107 226.5)
XYZxyz(19.0378, 23.6554, 47.2697)
Luminance0.2366 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#2490B5 #B54924
analogous
#24B591 #2490B5 #2448B5
triadic
#2490B5 #B52490 #90B524
tetradic
#2490B5 #9124B5 #B54924 #48B524
square
#2490B5 #9124B5 #B54924 #48B524
split-complementary
#2490B5 #B52448 #B59124
monochromatic
#103F4F #1A6782 #2490B5 #3EB1D9 #71C6E3

Accessibility & contrast

On white

3.66
#2490B5 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.73
#2490B5 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2490B5
5.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##2490B5#FFFFFF#000000##000000
##2490B51.003.665.735.73
#FFFFFF3.661.0021.0021.00
#0000005.7321.001.001.00
##0000005.7321.001.001.00

Color blindness preview

Protanopia (red-blind)
#7C8DB7
Deuteranopia (green-blind)
#6980B5
Tritanopia (blue-blind)
#009B9C
Achromatopsia (no color)
#868686

Design tokens & code

CSS
--color: #2490b5;
/* rgb */ color: rgb(36, 144, 181);
/* oklch */ color: oklch(61.1% 0.107 226.5);
Tailwind
colors: {
  custom: {
    50: '#77b0cb',
    500: '#2490b5',
    950: '#000000',
  },
}
SCSS
$custom: #2490b5;
$custom-light: #77b0cb;
$custom-dark: #000000;
JSON
{
  "hex": "#2490b5",
  "rgb": {
    "r": 36,
    "g": 144,
    "b": 181
  },
  "hsl": {
    "h": 195.31,
    "s": 66.82,
    "l": 42.549
  },
  "oklch": {
    "l": 0.61142,
    "c": 0.10746,
    "h": 226.5
  },
  "luminance": 0.23658
}

Semantic roles & 50–950 ramp

primary
#2490B5
secondary
#C9836B
accent
#6A3EEA
background
#F7FAFC
surface
#EEF4F8
border
#C9CED1
text
#0A1013
muted
#7C7F82

Preview Lab

Preview with #2490B5

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

Preview Lab → · Contrast checker → · Palette generator →

#2490B5 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva