#2587C6#2587C6
#2587C6 is a mid, vivid cyan. Relative luminance 0.218; OKLCH L 59.9% C 0.129 H 242.6°. Best body text is #000000 at 5.36:1 contrast (WCAG AA passes).
Color values
| HEX | #2587C6 |
|---|---|
| RGB | rgb(37, 135, 198) |
| HSL | hsl(203, 69%, 46%) |
| HSV | hsv(203, 81%, 78%) |
| CMYK | cmyk(81.3%, 31.8%, 0%, 22.4%) |
| CIE-LAB | lab(53.81, -5.43, -40.44) |
| CIE-LCH | lch(53.81, 40.80, 262.36°) |
| OKLab | oklab(59.86% -0.0595 -0.1148) |
| OKLCH | oklch(59.86% 0.129 242.6) |
| XYZ | xyz(19.6160, 21.7960, 56.5883) |
| Luminance | 0.2180 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Water Blue
#0E87CC
ΔE00 0.80
Cerulean (survey)
#0485D1
ΔE00 1.70
Cool Blue
#4984B8
ΔE00 3.49
Steel Blue
#4682B4
ΔE00 3.53
Off Blue
#5684AE
ΔE00 5.33
Nice Blue
#107AB0
ΔE00 5.50
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2587C6 #C66425
analogous
#25C6B4 #2587C6 #2536C6
triadic
#2587C6 #C62587 #87C625
tetradic
#2587C6 #B425C6 #C66425 #36C625
square
#2587C6 #B425C6 #C66425 #36C625
split-complementary
#2587C6 #C62536 #C6B425
monochromatic
#12415F #1B6492 #2587C6 #4BA4DD #7EBEE7
Accessibility & contrast
On white
3.92
#2587C6 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.36
#2587C6 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #2587C6
5.36:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2587C6 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##2587C6 | 1.00 | 3.92 | 5.36 | 5.36 |
| #FFFFFF | 3.92 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.36 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.36 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6989C9
Deuteranopia (green-blind)
#537AC5
Tritanopia (blue-blind)
#00979D
Achromatopsia (no color)
#818181
Design tokens & code
CSS
--color: #2587c6; /* rgb */ color: rgb(37, 135, 198); /* oklch */ color: oklch(59.9% 0.129 242.6);
Tailwind
colors: {
custom: {
50: '#7aa9d7',
500: '#2587c6',
950: '#000000',
},
}SCSS
$custom: #2587c6; $custom-light: #7aa9d7; $custom-dark: #000000;
JSON
{
"hex": "#2587c6",
"rgb": {
"r": 37,
"g": 135,
"b": 198
},
"hsl": {
"h": 203.478,
"s": 68.511,
"l": 46.078
},
"oklch": {
"l": 0.59863,
"c": 0.12931,
"h": 242.6
},
"luminance": 0.21798
}Semantic roles & 50–950 ramp
primary
#2587C6
secondary
#CF9A77
accent
#813CEB
background
#F8FAFD
surface
#EFF4FA
border
#CACED3
text
#0B0F14
muted
#7C7F83