#2584B1#2584B1
#2584B1 is a mid, moderate cyan. Relative luminance 0.201; OKLCH L 58.0% C 0.109 H 234.3°. Best body text is #000000 at 5.01:1 contrast (WCAG AA passes).
Color values
| HEX | #2584B1 |
|---|---|
| RGB | rgb(37, 132, 177) |
| HSL | hsl(199, 65%, 42%) |
| HSV | hsv(199, 79%, 69%) |
| CMYK | cmyk(79.1%, 25.4%, 0%, 30.6%) |
| CIE-LAB | lab(51.91, -11.31, -31.40) |
| CIE-LCH | lch(51.91, 33.38, 250.19°) |
| OKLab | oklab(58.03% -0.0636 -0.0886) |
| OKLCH | oklch(58.03% 0.109 234.3) |
| XYZ | xyz(16.9468, 20.0681, 44.5668) |
| Luminance | 0.2007 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Cerulean
#007BA7
ΔE00 3.77
Nice Blue
#107AB0
ΔE00 4.34
Dirty Blue
#3F829D
ΔE00 4.90
Steel Blue
#4682B4
ΔE00 4.95
Water Blue
#0E87CC
ΔE00 4.95
Cool Blue
#4984B8
ΔE00 5.54
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2584B1 #B15225
analogous
#25B198 #2584B1 #253EB1
triadic
#2584B1 #B12584 #84B125
tetradic
#2584B1 #9825B1 #B15225 #3EB125
square
#2584B1 #9825B1 #B15225 #3EB125
split-complementary
#2584B1 #B1253E #B19825
monochromatic
#10394C #1A5E7E #2584B1 #3DA5D6 #6FBCE1
Accessibility & contrast
On white
4.19
#2584B1 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.01
#2584B1 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #2584B1
5.01:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2584B1 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##2584B1 | 1.00 | 4.19 | 5.01 | 5.01 |
| #FFFFFF | 4.19 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.01 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.01 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6E83B3
Deuteranopia (green-blind)
#5B76B0
Tritanopia (blue-blind)
#009093
Achromatopsia (no color)
#7C7C7C
Design tokens & code
CSS
--color: #2584b1; /* rgb */ color: rgb(37, 132, 177); /* oklch */ color: oklch(58.0% 0.109 234.3);
Tailwind
colors: {
custom: {
50: '#76a7c8',
500: '#2584b1',
950: '#000000',
},
}SCSS
$custom: #2584b1; $custom-light: #76a7c8; $custom-dark: #000000;
JSON
{
"hex": "#2584b1",
"rgb": {
"r": 37,
"g": 132,
"b": 177
},
"hsl": {
"h": 199.286,
"s": 65.421,
"l": 41.961
},
"oklch": {
"l": 0.58032,
"c": 0.10904,
"h": 234.3
},
"luminance": 0.2007
}Semantic roles & 50–950 ramp
primary
#2584B1
secondary
#C8886A
accent
#763FE8
background
#F7FAFC
surface
#EEF4F8
border
#C9CED1
text
#0A0F13
muted
#7C7F82