#2580B2#2580B2

#2580B2 is a mid, moderate cyan. Relative luminance 0.190; OKLCH L 57.1% C 0.113 H 238.1°. Best body text is #000000 at 4.81:1 contrast (WCAG AA passes).

Color values

HEX#2580B2
RGBrgb(37, 128, 178)
HSLhsl(201, 66%, 42%)
HSVhsv(201, 79%, 70%)
CMYKcmyk(79.2%, 28.1%, 0%, 30.2%)
CIE-LABlab(50.74, -8.66, -33.82)
CIE-LCHlch(50.74, 34.91, 255.64°)
OKLaboklab(57.11% -0.0594 -0.0956)
OKLCHoklch(57.11% 0.113 238.1)
XYZxyz(16.5148, 19.0440, 44.9163)
Luminance0.1905 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#2580B2 #B25725
analogous
#25B29E #2580B2 #2539B2
triadic
#2580B2 #B22580 #80B225
tetradic
#2580B2 #9E25B2 #B25725 #39B225
square
#2580B2 #9E25B2 #B25725 #39B225
split-complementary
#2580B2 #B22539 #B29E25
monochromatic
#10374D #1A5C7F #2580B2 #3DA0D7 #70B9E1

Accessibility & contrast

On white

4.37
#2580B2 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.81
#2580B2 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2580B2
4.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##2580B2#FFFFFF#000000##000000
##2580B21.004.374.814.81
#FFFFFF4.371.0021.0021.00
#0000004.8121.001.001.00
##0000004.8121.001.001.00

Color blindness preview

Protanopia (red-blind)
#6880B4
Deuteranopia (green-blind)
#5573B1
Tritanopia (blue-blind)
#008D91
Achromatopsia (no color)
#797979

Design tokens & code

CSS
--color: #2580b2;
/* rgb */ color: rgb(37, 128, 178);
/* oklch */ color: oklch(57.1% 0.113 238.1);
Tailwind
colors: {
  custom: {
    50: '#76a4c9',
    500: '#2580b2',
    950: '#000000',
  },
}
SCSS
$custom: #2580b2;
$custom-light: #76a4c9;
$custom-dark: #000000;
JSON
{
  "hex": "#2580b2",
  "rgb": {
    "r": 37,
    "g": 128,
    "b": 178
  },
  "hsl": {
    "h": 201.277,
    "s": 65.581,
    "l": 42.157
  },
  "oklch": {
    "l": 0.57112,
    "c": 0.1126,
    "h": 238.1
  },
  "luminance": 0.19046
}

Semantic roles & 50–950 ramp

primary
#2580B2
secondary
#C88C6B
accent
#7B3FE9
background
#F7FAFC
surface
#EEF4F8
border
#C9CED1
text
#0A0F13
muted
#7C7F82

Preview Lab

Preview with #2580B2

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

Preview Lab → · Contrast checker → · Palette generator →

#2580B2 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva