#2590B0#2590B0
#2590B0 is a mid, moderate cyan. Relative luminance 0.235; OKLCH L 60.9% C 0.103 H 223.1°. Best body text is #000000 at 5.69:1 contrast (WCAG AA passes).
Color values
| HEX | #2590B0 |
|---|---|
| RGB | rgb(37, 144, 176) |
| HSL | hsl(194, 65%, 42%) |
| HSV | hsv(194, 79%, 69%) |
| CMYK | cmyk(79%, 18.2%, 0%, 31%) |
| CIE-LAB | lab(55.56, -18.30, -25.18) |
| CIE-LCH | lch(55.56, 31.13, 233.99°) |
| OKLab | oklab(60.93% -0.0755 -0.0706) |
| OKLCH | oklch(60.93% 0.103 223.1) |
| XYZ | xyz(18.5694, 23.4721, 44.6178) |
| Luminance | 0.2347 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Teal Blue
#01889F
ΔE00 4.90
Dirty Blue
#3F829D
ΔE00 5.37
Ocean
#017B92
ΔE00 8.66
Cerulean
#007BA7
ΔE00 8.70
Dusty Blue
#5A86AD
ΔE00 9.62
Greyish Blue
#5E819D
ΔE00 9.83
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2590B0 #B04525
analogous
#25B08B #2590B0 #254BB0
triadic
#2590B0 #B02590 #90B025
tetradic
#2590B0 #8B25B0 #B04525 #4BB025
square
#2590B0 #8B25B0 #B04525 #4BB025
split-complementary
#2590B0 #B0254B #B08B25
monochromatic
#103D4B #1A677D #2590B0 #3CB3D6 #6FC6E1
Accessibility & contrast
On white
3.69
#2590B0 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.69
#2590B0 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #2590B0
5.69:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2590B0 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##2590B0 | 1.00 | 3.69 | 5.69 | 5.69 |
| #FFFFFF | 3.69 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.69 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.69 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#7E8DB2
Deuteranopia (green-blind)
#6B7FB0
Tritanopia (blue-blind)
#009A9A
Achromatopsia (no color)
#858585
Design tokens & code
CSS
--color: #2590b0; /* rgb */ color: rgb(37, 144, 176); /* oklch */ color: oklch(60.9% 0.103 223.1);
Tailwind
colors: {
custom: {
50: '#77b0c7',
500: '#2590b0',
950: '#000000',
},
}SCSS
$custom: #2590b0; $custom-light: #77b0c7; $custom-dark: #000000;
JSON
{
"hex": "#2590b0",
"rgb": {
"r": 37,
"g": 144,
"b": 176
},
"hsl": {
"h": 193.813,
"s": 65.258,
"l": 41.765
},
"oklch": {
"l": 0.6093,
"c": 0.10337,
"h": 223.1
},
"luminance": 0.23474
}Semantic roles & 50–950 ramp
primary
#2590B0
secondary
#C77F6A
accent
#6640E8
background
#F7FAFC
surface
#EEF4F8
border
#C9CED1
text
#0A1013
muted
#7C7F82