#2489B3#2489B3
#2489B3 is a mid, moderate cyan. Relative luminance 0.215; OKLCH L 59.3% C 0.109 H 231.2°. Best body text is #000000 at 5.30:1 contrast (WCAG AA passes).
Color values
| HEX | #2489B3 |
|---|---|
| RGB | rgb(36, 137, 179) |
| HSL | hsl(198, 67%, 42%) |
| HSV | hsv(198, 80%, 70%) |
| CMYK | cmyk(79.9%, 23.5%, 0%, 29.8%) |
| CIE-LAB | lab(53.51, -13.52, -30.06) |
| CIE-LCH | lch(53.51, 32.96, 245.78°) |
| OKLab | oklab(59.33% -0.068 -0.0847) |
| OKLCH | oklch(59.33% 0.109 231.2) |
| XYZ | xyz(17.8066, 21.5189, 45.8542) |
| Luminance | 0.2152 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dirty Blue
#3F829D
ΔE00 4.64
Cerulean
#007BA7
ΔE00 5.38
Water Blue
#0E87CC
ΔE00 6.14
Steel Blue
#4682B4
ΔE00 6.37
Nice Blue
#107AB0
ΔE00 6.52
Cool Blue
#4984B8
ΔE00 6.75
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2489B3 #B34E24
analogous
#24B395 #2489B3 #2442B3
triadic
#2489B3 #B32489 #89B324
tetradic
#2489B3 #9524B3 #B34E24 #42B324
square
#2489B3 #9524B3 #B34E24 #42B324
split-complementary
#2489B3 #B32442 #B39524
monochromatic
#103B4D #1A6280 #2489B3 #3CAAD8 #6FC0E2
Accessibility & contrast
On white
3.96
#2489B3 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.30
#2489B3 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #2489B3
5.30:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2489B3 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##2489B3 | 1.00 | 3.96 | 5.30 | 5.30 |
| #FFFFFF | 3.96 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.30 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.30 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#7487B5
Deuteranopia (green-blind)
#617AB2
Tritanopia (blue-blind)
#009497
Achromatopsia (no color)
#808080
Design tokens & code
CSS
--color: #2489b3; /* rgb */ color: rgb(36, 137, 179); /* oklch */ color: oklch(59.3% 0.109 231.2);
Tailwind
colors: {
custom: {
50: '#76abca',
500: '#2489b3',
950: '#000000',
},
}SCSS
$custom: #2489b3; $custom-light: #76abca; $custom-dark: #000000;
JSON
{
"hex": "#2489b3",
"rgb": {
"r": 36,
"g": 137,
"b": 179
},
"hsl": {
"h": 197.622,
"s": 66.512,
"l": 42.157
},
"oklch": {
"l": 0.59331,
"c": 0.10862,
"h": 231.2
},
"luminance": 0.21521
}Semantic roles & 50–950 ramp
primary
#2489B3
secondary
#C9866A
accent
#713EE9
background
#F7FAFC
surface
#EEF4F8
border
#C9CED1
text
#0A1013
muted
#7C7F82