#2580A3#2580A3

#2580A3 is a mid, moderate cyan. Relative luminance 0.185; OKLCH L 56.4% C 0.098 H 228.6°. Best body text is #000000 at 4.70:1 contrast (WCAG AA passes).

Color values

HEX	#2580A3
RGB	rgb(37, 128, 163)
HSL	hsl(197, 63%, 39%)
HSV	hsv(197, 77%, 64%)
CMYK	cmyk(77.3%, 21.5%, 0%, 36.1%)
CIE-LAB	lab(50.07, -14.03, -26.18)
CIE-LCH	lch(50.07, 29.70, 241.82°)
OKLab	oklab(56.36% -0.0648 -0.0735)
OKLCH	oklch(56.36% 0.098 228.6)
XYZ	xyz(15.0903, 18.4742, 37.4138)
Luminance	0.1848 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2580A3 #A34825

analogous

#25A387 #2580A3 #2541A3

triadic

#2580A3 #A32580 #80A325

tetradic

#2580A3 #8725A3 #A34825 #41A325

square

#2580A3 #8725A3 #A34825 #41A325

split-complementary

#2580A3 #A32541 #A38725

monochromatic

#0E323F #1A5971 #2580A3 #34A5D1 #66BBDC

Accessibility & contrast

On white

4.47

#2580A3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.70

#2580A3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2580A3

4.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2580A3	#FFFFFF	#000000	##000000
##2580A3	1.00	4.47	4.70	4.70
#FFFFFF	4.47	1.00	21.00	21.00
#000000	4.70	21.00	1.00	1.00
##000000	4.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E7EA5

Deuteranopia (green-blind)

#5D72A3

Tritanopia (blue-blind)

#008A8C

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #2580a3;
/* rgb */ color: rgb(37, 128, 163);
/* oklch */ color: oklch(56.4% 0.098 228.6);

Tailwind

colors: {
  custom: {
    50: '#73a4be',
    500: '#2580a3',
    950: '#000000',
  },
}

SCSS

$custom: #2580a3;
$custom-light: #73a4be;
$custom-dark: #000000;

JSON

{
  "hex": "#2580a3",
  "rgb": {
    "r": 37,
    "g": 128,
    "b": 163
  },
  "hsl": {
    "h": 196.667,
    "s": 63,
    "l": 39.216
  },
  "oklch": {
    "l": 0.56355,
    "c": 0.098,
    "h": 228.6
  },
  "luminance": 0.18476
}

Semantic roles & 50–950 ramp

primary

#2580A3

secondary

#C27D62

accent

#6F42E6

background

#F7FAFB

surface

#EEF4F6

border

#C9CED0

text

#090F12

muted

#7B7F81

Preview Lab

Preview with #2580A3

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

Preview Lab → · Contrast checker → · Palette generator →