#2590B0#2590B0

#2590B0 is a mid, moderate cyan. Relative luminance 0.235; OKLCH L 60.9% C 0.103 H 223.1°. Best body text is #000000 at 5.69:1 contrast (WCAG AA passes).

Color values

HEX#2590B0
RGBrgb(37, 144, 176)
HSLhsl(194, 65%, 42%)
HSVhsv(194, 79%, 69%)
CMYKcmyk(79%, 18.2%, 0%, 31%)
CIE-LABlab(55.56, -18.30, -25.18)
CIE-LCHlch(55.56, 31.13, 233.99°)
OKLaboklab(60.93% -0.0755 -0.0706)
OKLCHoklch(60.93% 0.103 223.1)
XYZxyz(18.5694, 23.4721, 44.6178)
Luminance0.2347 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#2590B0 #B04525
analogous
#25B08B #2590B0 #254BB0
triadic
#2590B0 #B02590 #90B025
tetradic
#2590B0 #8B25B0 #B04525 #4BB025
square
#2590B0 #8B25B0 #B04525 #4BB025
split-complementary
#2590B0 #B0254B #B08B25
monochromatic
#103D4B #1A677D #2590B0 #3CB3D6 #6FC6E1

Accessibility & contrast

On white

3.69
#2590B0 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.69
#2590B0 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2590B0
5.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##2590B0#FFFFFF#000000##000000
##2590B01.003.695.695.69
#FFFFFF3.691.0021.0021.00
#0000005.6921.001.001.00
##0000005.6921.001.001.00

Color blindness preview

Protanopia (red-blind)
#7E8DB2
Deuteranopia (green-blind)
#6B7FB0
Tritanopia (blue-blind)
#009A9A
Achromatopsia (no color)
#858585

Design tokens & code

CSS
--color: #2590b0;
/* rgb */ color: rgb(37, 144, 176);
/* oklch */ color: oklch(60.9% 0.103 223.1);
Tailwind
colors: {
  custom: {
    50: '#77b0c7',
    500: '#2590b0',
    950: '#000000',
  },
}
SCSS
$custom: #2590b0;
$custom-light: #77b0c7;
$custom-dark: #000000;
JSON
{
  "hex": "#2590b0",
  "rgb": {
    "r": 37,
    "g": 144,
    "b": 176
  },
  "hsl": {
    "h": 193.813,
    "s": 65.258,
    "l": 41.765
  },
  "oklch": {
    "l": 0.6093,
    "c": 0.10337,
    "h": 223.1
  },
  "luminance": 0.23474
}

Semantic roles & 50–950 ramp

primary
#2590B0
secondary
#C77F6A
accent
#6640E8
background
#F7FAFC
surface
#EEF4F8
border
#C9CED1
text
#0A1013
muted
#7C7F82

Preview Lab

Preview with #2590B0

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

Preview Lab → · Contrast checker → · Palette generator →

#2590B0 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva