#2580A6#2580A6

#2580A6 is a mid, moderate cyan. Relative luminance 0.186; OKLCH L 56.5% C 0.101 H 230.8°. Best body text is #000000 at 4.72:1 contrast (WCAG AA passes).

Color values

HEX#2580A6
RGBrgb(37, 128, 166)
HSLhsl(198, 64%, 40%)
HSVhsv(198, 78%, 65%)
CMYKcmyk(77.7%, 22.9%, 0%, 34.9%)
CIE-LABlab(50.20, -12.97, -27.72)
CIE-LCHlch(50.20, 30.60, 244.93°)
OKLaboklab(56.5% -0.0637 -0.078)
OKLCHoklch(56.5% 0.101 230.8)
XYZxyz(15.3623, 18.5830, 38.8462)
Luminance0.1858 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#2580A6 #A64B25
analogous
#25A68B #2580A6 #2540A6
triadic
#2580A6 #A62580 #80A625
tetradic
#2580A6 #8B25A6 #A64B25 #40A625
square
#2580A6 #8B25A6 #A64B25 #40A625
split-complementary
#2580A6 #A62540 #A68B25
monochromatic
#0F3342 #1A5974 #2580A6 #36A4D2 #68BBDD

Accessibility & contrast

On white

4.45
#2580A6 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.72
#2580A6 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2580A6
4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##2580A6#FFFFFF#000000##000000
##2580A61.004.454.724.72
#FFFFFF4.451.0021.0021.00
#0000004.7221.001.001.00
##0000004.7221.001.001.00

Color blindness preview

Protanopia (red-blind)
#6D7EA8
Deuteranopia (green-blind)
#5B72A5
Tritanopia (blue-blind)
#008A8D
Achromatopsia (no color)
#777777

Design tokens & code

CSS
--color: #2580a6;
/* rgb */ color: rgb(37, 128, 166);
/* oklch */ color: oklch(56.5% 0.101 230.8);
Tailwind
colors: {
  custom: {
    50: '#74a4c0',
    500: '#2580a6',
    950: '#000000',
  },
}
SCSS
$custom: #2580a6;
$custom-light: #74a4c0;
$custom-dark: #000000;
JSON
{
  "hex": "#2580a6",
  "rgb": {
    "r": 37,
    "g": 128,
    "b": 166
  },
  "hsl": {
    "h": 197.674,
    "s": 63.547,
    "l": 39.804
  },
  "oklch": {
    "l": 0.56501,
    "c": 0.10067,
    "h": 230.8
  },
  "luminance": 0.18585
}

Semantic roles & 50–950 ramp

primary
#2580A6
secondary
#C38064
accent
#7241E7
background
#F7FAFB
surface
#EEF4F7
border
#C9CED0
text
#090F12
muted
#7B7F81

Preview Lab

Preview with #2580A6

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

Preview Lab → · Contrast checker → · Palette generator →

#2580A6 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva