#2590A8#2590A8

#2590A8 is a mid, moderate cyan. Relative luminance 0.232; OKLCH L 60.6% C 0.098 H 216.8°. Best body text is #000000 at 5.63:1 contrast (WCAG AA passes).

Color values

HEX#2590A8
RGBrgb(37, 144, 168)
HSLhsl(191, 64%, 40%)
HSVhsv(191, 78%, 66%)
CMYKcmyk(78%, 14.3%, 0%, 34.1%)
CIE-LABlab(55.24, -21.01, -21.09)
CIE-LCHlch(55.24, 29.76, 225.11°)
OKLaboklab(60.58% -0.0787 -0.0589)
OKLCHoklch(60.58% 0.098 216.8)
XYZxyz(17.8011, 23.1648, 40.5713)
Luminance0.2317 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#2590A8 #A83D25
analogous
#25A87E #2590A8 #254FA8
triadic
#2590A8 #A82590 #90A825
tetradic
#2590A8 #7E25A8 #A83D25 #4FA825
square
#2590A8 #7E25A8 #A83D25 #4FA825
split-complementary
#2590A8 #A8254F #A87E25
monochromatic
#0F3A44 #1A6576 #2590A8 #37B6D3 #69C9DE

Accessibility & contrast

On white

3.73
#2590A8 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.63
#2590A8 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2590A8
5.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##2590A8#FFFFFF#000000##000000
##2590A81.003.735.635.63
#FFFFFF3.731.0021.0021.00
#0000005.6321.001.001.00
##0000005.6321.001.001.00

Color blindness preview

Protanopia (red-blind)
#808CA9
Deuteranopia (green-blind)
#6F7FA8
Tritanopia (blue-blind)
#009898
Achromatopsia (no color)
#848484

Design tokens & code

CSS
--color: #2590a8;
/* rgb */ color: rgb(37, 144, 168);
/* oklch */ color: oklch(60.6% 0.098 216.8);
Tailwind
colors: {
  custom: {
    50: '#75b0c2',
    500: '#2590a8',
    950: '#000000',
  },
}
SCSS
$custom: #2590a8;
$custom-light: #75b0c2;
$custom-dark: #000000;
JSON
{
  "hex": "#2590a8",
  "rgb": {
    "r": 37,
    "g": 144,
    "b": 168
  },
  "hsl": {
    "h": 190.992,
    "s": 63.902,
    "l": 40.196
  },
  "oklch": {
    "l": 0.60575,
    "c": 0.09831,
    "h": 216.8
  },
  "luminance": 0.23167
}

Semantic roles & 50–950 ramp

primary
#2590A8
secondary
#C47665
accent
#5F41E7
background
#F7FAFB
surface
#EEF5F7
border
#C9CFD0
text
#0A1012
muted
#7C7F81

Preview Lab

Preview with #2590A8

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

Preview Lab → · Contrast checker → · Palette generator →

#2590A8 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva