#2589AB#2589AB
#2589AB is a mid, moderate cyan. Relative luminance 0.212; OKLCH L 59.0% C 0.101 H 225.9°. Best body text is #000000 at 5.24:1 contrast (WCAG AA passes).
Color values
| HEX | #2589AB |
|---|---|
| RGB | rgb(37, 137, 171) |
| HSL | hsl(195, 64%, 41%) |
| HSV | hsv(195, 78%, 67%) |
| CMYK | cmyk(78.4%, 19.9%, 0%, 32.9%) |
| CIE-LAB | lab(53.19, -16.22, -25.96) |
| CIE-LCH | lch(53.19, 30.61, 238.01°) |
| OKLab | oklab(58.97% -0.0706 -0.0729) |
| OKLCH | oklch(58.97% 0.101 225.9) |
| XYZ | xyz(17.0563, 21.2228, 41.7177) |
| Luminance | 0.2122 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dirty Blue
#3F829D
ΔE00 3.36
Teal Blue
#01889F
ΔE00 4.87
Cerulean
#007BA7
ΔE00 6.09
Ocean
#017B92
ΔE00 7.06
Sea Blue
#047495
ΔE00 8.01
Nice Blue
#107AB0
ΔE00 8.19
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2589AB #AB4725
analogous
#25AB8A #2589AB #2546AB
triadic
#2589AB #AB2589 #89AB25
tetradic
#2589AB #8A25AB #AB4725 #46AB25
square
#2589AB #8A25AB #AB4725 #46AB25
split-complementary
#2589AB #AB2546 #AB8A25
monochromatic
#0F3846 #1A6179 #2589AB #39ADD4 #6BC2DF
Accessibility & contrast
On white
4.00
#2589AB on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.24
#2589AB on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #2589AB
5.24:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2589AB | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##2589AB | 1.00 | 4.00 | 5.24 | 5.24 |
| #FFFFFF | 4.00 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.24 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.24 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#7686AD
Deuteranopia (green-blind)
#6579AB
Tritanopia (blue-blind)
#009394
Achromatopsia (no color)
#7F7F7F
Design tokens & code
CSS
--color: #2589ab; /* rgb */ color: rgb(37, 137, 171); /* oklch */ color: oklch(59.0% 0.101 225.9);
Tailwind
colors: {
custom: {
50: '#75abc4',
500: '#2589ab',
950: '#000000',
},
}SCSS
$custom: #2589ab; $custom-light: #75abc4; $custom-dark: #000000;
JSON
{
"hex": "#2589ab",
"rgb": {
"r": 37,
"g": 137,
"b": 171
},
"hsl": {
"h": 195.224,
"s": 64.423,
"l": 40.784
},
"oklch": {
"l": 0.58968,
"c": 0.10147,
"h": 225.9
},
"luminance": 0.21225
}Semantic roles & 50–950 ramp
primary
#2589AB
secondary
#C57F67
accent
#6B40E7
background
#F7FAFC
surface
#EEF4F8
border
#C9CED1
text
#0A1012
muted
#7C7F81