#2580C6#2580C6
#2580C6 is a mid, vivid cyan. Relative luminance 0.199; OKLCH L 58.2% C 0.135 H 246.8°. Best body text is #000000 at 4.98:1 contrast (WCAG AA passes).
Color values
| HEX | #2580C6 |
|---|---|
| RGB | rgb(37, 128, 198) |
| HSL | hsl(206, 69%, 46%) |
| HSV | hsv(206, 81%, 78%) |
| CMYK | cmyk(81.3%, 35.4%, 0%, 22.4%) |
| CIE-LAB | lab(51.73, -1.29, -43.72) |
| CIE-LCH | lch(51.73, 43.74, 268.31°) |
| OKLab | oklab(58.22% -0.0533 -0.1245) |
| OKLCH | oklch(58.22% 0.135 246.8) |
| XYZ | xyz(18.6712, 19.9066, 56.2734) |
| Luminance | 0.1991 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Cerulean (survey)
#0485D1
ΔE00 2.22
Steel Blue
#4682B4
ΔE00 2.86
Water Blue
#0E87CC
ΔE00 3.06
Cool Blue
#4984B8
ΔE00 3.11
Windows Blue
#3778BF
ΔE00 3.91
Bluish
#2976BB
ΔE00 3.92
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2580C6 #C66B25
analogous
#25C6BB #2580C6 #252FC6
triadic
#2580C6 #C62580 #80C625
tetradic
#2580C6 #BB25C6 #C66B25 #2FC625
square
#2580C6 #BB25C6 #C66B25 #2FC625
split-complementary
#2580C6 #C6252F #C6BB25
monochromatic
#123D5F #1B5F92 #2580C6 #4B9EDD #7EBAE7
Accessibility & contrast
On white
4.22
#2580C6 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
4.98
#2580C6 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #2580C6
4.98:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2580C6 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##2580C6 | 1.00 | 4.22 | 4.98 | 4.98 |
| #FFFFFF | 4.22 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.98 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.98 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5F83C9
Deuteranopia (green-blind)
#4775C5
Tritanopia (blue-blind)
#00919A
Achromatopsia (no color)
#7B7B7B
Design tokens & code
CSS
--color: #2580c6; /* rgb */ color: rgb(37, 128, 198); /* oklch */ color: oklch(58.2% 0.135 246.8);
Tailwind
colors: {
custom: {
50: '#7aa4d7',
500: '#2580c6',
950: '#000000',
},
}SCSS
$custom: #2580c6; $custom-light: #7aa4d7; $custom-dark: #000000;
JSON
{
"hex": "#2580c6",
"rgb": {
"r": 37,
"g": 128,
"b": 198
},
"hsl": {
"h": 206.087,
"s": 68.511,
"l": 46.078
},
"oklch": {
"l": 0.58223,
"c": 0.13547,
"h": 246.8
},
"luminance": 0.19909
}Semantic roles & 50–950 ramp
primary
#2580C6
secondary
#CF9E77
accent
#883CEB
background
#F8FAFD
surface
#EFF4FA
border
#CACED3
text
#0B0F14
muted
#7C7F83