#2580A8#2580A8

#2580A8 is a mid, moderate cyan. Relative luminance 0.187; OKLCH L 56.6% C 0.103 H 232.1°. Best body text is #000000 at 4.73:1 contrast (WCAG AA passes).

Color values

HEX	#2580A8
RGB	rgb(37, 128, 168)
HSL	hsl(198, 64%, 40%)
HSV	hsv(198, 78%, 66%)
CMYK	cmyk(78%, 23.8%, 0%, 34.1%)
CIE-LAB	lab(50.28, -12.26, -28.74)
CIE-LCH	lch(50.28, 31.25, 246.91°)
OKLab	oklab(56.6% -0.0629 -0.0809)
OKLCH	oklch(56.6% 0.103 232.1)
XYZ	xyz(15.5471, 18.6569, 39.8199)
Luminance	0.1866 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2580A8 #A84D25

analogous

#25A88F #2580A8 #253EA8

triadic

#2580A8 #A82580 #80A825

tetradic

#2580A8 #8F25A8 #A84D25 #3EA825

square

#2580A8 #8F25A8 #A84D25 #3EA825

split-complementary

#2580A8 #A8253E #A88F25

monochromatic

#0F3444 #1A5A76 #2580A8 #37A3D3 #69BADE

Accessibility & contrast

On white

4.44

#2580A8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.73

#2580A8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2580A8

4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2580A8	#FFFFFF	#000000	##000000
##2580A8	1.00	4.44	4.73	4.73
#FFFFFF	4.44	1.00	21.00	21.00
#000000	4.73	21.00	1.00	1.00
##000000	4.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C7FAA

Deuteranopia (green-blind)

#5A72A7

Tritanopia (blue-blind)

#008B8D

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #2580a8;
/* rgb */ color: rgb(37, 128, 168);
/* oklch */ color: oklch(56.6% 0.103 232.1);

Tailwind

colors: {
  custom: {
    50: '#74a4c2',
    500: '#2580a8',
    950: '#000000',
  },
}

SCSS

$custom: #2580a8;
$custom-light: #74a4c2;
$custom-dark: #000000;

JSON

{
  "hex": "#2580a8",
  "rgb": {
    "r": 37,
    "g": 128,
    "b": 168
  },
  "hsl": {
    "h": 198.321,
    "s": 63.902,
    "l": 40.196
  },
  "oklch": {
    "l": 0.566,
    "c": 0.10251,
    "h": 232.1
  },
  "luminance": 0.18659
}

Semantic roles & 50–950 ramp

primary

#2580A8

secondary

#C48265

accent

#7441E7

background

#F7FAFB

surface

#EEF4F7

border

#C9CED0

text

#090F12

muted

#7B7F81

Preview Lab

Preview with #2580A8

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

Preview Lab → · Contrast checker → · Palette generator →