#2590AB#2590AB

#2590AB is a mid, moderate cyan. Relative luminance 0.233; OKLCH L 60.7% C 0.100 H 219.2°. Best body text is #000000 at 5.66:1 contrast (WCAG AA passes).

Color values

HEX#2590AB
RGBrgb(37, 144, 171)
HSLhsl(192, 64%, 41%)
HSVhsv(192, 78%, 67%)
CMYKcmyk(78.4%, 15.8%, 0%, 32.9%)
CIE-LABlab(55.36, -20.00, -22.63)
CIE-LCHlch(55.36, 30.20, 228.53°)
OKLaboklab(60.71% -0.0775 -0.0633)
OKLCHoklch(60.71% 0.1 219.2)
XYZxyz(18.0838, 23.2779, 42.0602)
Luminance0.2328 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#2590AB #AB4025
analogous
#25AB83 #2590AB #254DAB
triadic
#2590AB #AB2590 #90AB25
tetradic
#2590AB #8325AB #AB4025 #4DAB25
square
#2590AB #8325AB #AB4025 #4DAB25
split-complementary
#2590AB #AB254D #AB8325
monochromatic
#0F3B46 #1A6679 #2590AB #39B5D4 #6BC8DF

Accessibility & contrast

On white

3.71
#2590AB on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.66
#2590AB on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2590AB
5.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##2590AB#FFFFFF#000000##000000
##2590AB1.003.715.665.66
#FFFFFF3.711.0021.0021.00
#0000005.6621.001.001.00
##0000005.6621.001.001.00

Color blindness preview

Protanopia (red-blind)
#7F8CAC
Deuteranopia (green-blind)
#6D7FAB
Tritanopia (blue-blind)
#009999
Achromatopsia (no color)
#858585

Design tokens & code

CSS
--color: #2590ab;
/* rgb */ color: rgb(37, 144, 171);
/* oklch */ color: oklch(60.7% 0.100 219.2);
Tailwind
colors: {
  custom: {
    50: '#76b0c4',
    500: '#2590ab',
    950: '#000000',
  },
}
SCSS
$custom: #2590ab;
$custom-light: #76b0c4;
$custom-dark: #000000;
JSON
{
  "hex": "#2590ab",
  "rgb": {
    "r": 37,
    "g": 144,
    "b": 171
  },
  "hsl": {
    "h": 192.09,
    "s": 64.423,
    "l": 40.784
  },
  "oklch": {
    "l": 0.60706,
    "c": 0.10005,
    "h": 219.2
  },
  "luminance": 0.2328
}

Semantic roles & 50–950 ramp

primary
#2590AB
secondary
#C57A67
accent
#6240E7
background
#F7FAFC
surface
#EEF5F8
border
#C9CFD1
text
#0A1012
muted
#7C7F81

Preview Lab

Preview with #2590AB

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

Preview Lab → · Contrast checker → · Palette generator →

#2590AB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva