#2389B2#2389B2
#2389B2 is a mid, moderate cyan. Relative luminance 0.215; OKLCH L 59.3% C 0.108 H 230.4°. Best body text is #000000 at 5.29:1 contrast (WCAG AA passes).
Color values
| HEX | #2389B2 |
|---|---|
| RGB | rgb(35, 137, 178) |
| HSL | hsl(197, 67%, 42%) |
| HSV | hsv(197, 80%, 70%) |
| CMYK | cmyk(80.3%, 23%, 0%, 30.2%) |
| CIE-LAB | lab(53.45, -13.98, -29.59) |
| CIE-LCH | lch(53.45, 32.72, 244.71°) |
| OKLab | oklab(59.26% -0.0688 -0.0833) |
| OKLCH | oklch(59.26% 0.108 230.4) |
| XYZ | xyz(17.6714, 21.4608, 45.3218) |
| Luminance | 0.2146 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dirty Blue
#3F829D
ΔE00 4.43
Cerulean
#007BA7
ΔE00 5.39
Water Blue
#0E87CC
ΔE00 6.52
Steel Blue
#4682B4
ΔE00 6.65
Nice Blue
#107AB0
ΔE00 6.71
Cool Blue
#4984B8
ΔE00 7.05
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2389B2 #B24C23
analogous
#23B294 #2389B2 #2342B2
triadic
#2389B2 #B22389 #89B223
tetradic
#2389B2 #9423B2 #B24C23 #42B223
square
#2389B2 #9423B2 #B24C23 #42B223
split-complementary
#2389B2 #B22342 #B29423
monochromatic
#0F3A4C #19627F #2389B2 #3AABD8 #6DC1E2
Accessibility & contrast
On white
3.97
#2389B2 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.29
#2389B2 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #2389B2
5.29:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2389B2 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##2389B2 | 1.00 | 3.97 | 5.29 | 5.29 |
| #FFFFFF | 3.97 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.29 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.29 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#7487B4
Deuteranopia (green-blind)
#617AB1
Tritanopia (blue-blind)
#009497
Achromatopsia (no color)
#808080
Design tokens & code
CSS
--color: #2389b2; /* rgb */ color: rgb(35, 137, 178); /* oklch */ color: oklch(59.3% 0.108 230.4);
Tailwind
colors: {
custom: {
50: '#76abc9',
500: '#2389b2',
950: '#000000',
},
}SCSS
$custom: #2389b2; $custom-light: #76abc9; $custom-dark: #000000;
JSON
{
"hex": "#2389b2",
"rgb": {
"r": 35,
"g": 137,
"b": 178
},
"hsl": {
"h": 197.203,
"s": 67.136,
"l": 41.765
},
"oklch": {
"l": 0.59261,
"c": 0.10803,
"h": 230.4
},
"luminance": 0.21463
}Semantic roles & 50–950 ramp
primary
#2389B2
secondary
#C98468
accent
#6F3EEA
background
#F7FAFC
surface
#EEF4F8
border
#C9CED1
text
#0A1013
muted
#7C7F82