#2580C4#2580C4

#2580C4 is a mid, vivid cyan. Relative luminance 0.198; OKLCH L 58.1% C 0.133 H 246.1°. Best body text is #000000 at 4.96:1 contrast (WCAG AA passes).

Color values

HEX	#2580C4
RGB	rgb(37, 128, 196)
HSL	hsl(206, 68%, 46%)
HSV	hsv(206, 81%, 77%)
CMYK	cmyk(81.1%, 34.7%, 0%, 23.1%)
CIE-LAB	lab(51.63, -2.03, -42.75)
CIE-LCH	lch(51.63, 42.79, 267.28°)
OKLab	oklab(58.11% -0.0539 -0.1217)
OKLCH	oklch(58.11% 0.133 246.1)
XYZ	xyz(18.4421, 19.8149, 55.0665)
Luminance	0.1982 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2580C4 #C46925

analogous

#25C4B8 #2580C4 #2531C4

triadic

#2580C4 #C42580 #80C425

tetradic

#2580C4 #B825C4 #C46925 #31C425

square

#2580C4 #B825C4 #C46925 #31C425

split-complementary

#2580C4 #C42531 #C4B825

monochromatic

#123D5D #1B5E91 #2580C4 #499EDD #7DB9E6

Accessibility & contrast

On white

4.23

#2580C4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.96

#2580C4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2580C4

4.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2580C4	#FFFFFF	#000000	##000000
##2580C4	1.00	4.23	4.96	4.96
#FFFFFF	4.23	1.00	21.00	21.00
#000000	4.96	21.00	1.00	1.00
##000000	4.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6083C7

Deuteranopia (green-blind)

#4975C3

Tritanopia (blue-blind)

#009099

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #2580c4;
/* rgb */ color: rgb(37, 128, 196);
/* oklch */ color: oklch(58.1% 0.133 246.1);

Tailwind

colors: {
  custom: {
    50: '#79a4d6',
    500: '#2580c4',
    950: '#000000',
  },
}

SCSS

$custom: #2580c4;
$custom-light: #79a4d6;
$custom-dark: #000000;

JSON

{
  "hex": "#2580c4",
  "rgb": {
    "r": 37,
    "g": 128,
    "b": 196
  },
  "hsl": {
    "h": 205.66,
    "s": 68.24,
    "l": 45.686
  },
  "oklch": {
    "l": 0.58107,
    "c": 0.13307,
    "h": 246.1
  },
  "luminance": 0.19817
}

Semantic roles & 50–950 ramp

primary

#2580C4

secondary

#CF9C76

accent

#873DEB

background

#F8FAFD

surface

#EFF4FA

border

#CACED3

text

#0B0F14

muted

#7C7F83

Preview Lab

Preview with #2580C4

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

Preview Lab → · Contrast checker → · Palette generator →