#3889B3#3889B3
#3889B3 is a mid, moderate cyan. Relative luminance 0.220; OKLCH L 59.9% C 0.101 H 234.7°. Best body text is #000000 at 5.40:1 contrast (WCAG AA passes).
Color values
| HEX | #3889B3 |
|---|---|
| RGB | rgb(56, 137, 179) |
| HSL | hsl(200, 52%, 46%) |
| HSV | hsv(200, 69%, 70%) |
| CMYK | cmyk(68.7%, 23.5%, 0%, 29.8%) |
| CIE-LAB | lab(54.01, -10.91, -29.25) |
| CIE-LCH | lch(54.01, 31.22, 249.54°) |
| OKLab | oklab(59.87% -0.0582 -0.0822) |
| OKLCH | oklch(59.87% 0.101 234.7) |
| XYZ | xyz(18.7100, 21.9847, 45.8965) |
| Luminance | 0.2199 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Steel Blue
#4682B4
ΔE00 4.86
Water Blue
#0E87CC
ΔE00 4.97
Dirty Blue
#3F829D
ΔE00 5.01
Cool Blue
#4984B8
ΔE00 5.11
Dusty Blue
#5A86AD
ΔE00 5.44
Off Blue
#5684AE
ΔE00 5.54
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3889B3 #B36238
analogous
#38B39F #3889B3 #384BB3
triadic
#3889B3 #B33889 #89B338
tetradic
#3889B3 #9F38B3 #B36238 #4BB338
square
#3889B3 #9F38B3 #B36238 #4BB338
split-complementary
#3889B3 #B3384B #B39F38
monochromatic
#1B4256 #296584 #3889B3 #5CA6CC #8BBFDB
Accessibility & contrast
On white
3.89
#3889B3 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.40
#3889B3 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #3889B3
5.40:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3889B3 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##3889B3 | 1.00 | 3.89 | 5.40 | 5.40 |
| #FFFFFF | 3.89 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.40 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.40 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#7588B5
Deuteranopia (green-blind)
#647CB2
Tritanopia (blue-blind)
#009497
Achromatopsia (no color)
#818181
Design tokens & code
CSS
--color: #3889b3; /* rgb */ color: rgb(56, 137, 179); /* oklch */ color: oklch(59.9% 0.101 234.7);
Tailwind
colors: {
custom: {
50: '#7dabca',
500: '#3889b3',
950: '#000000',
},
}SCSS
$custom: #3889b3; $custom-light: #7dabca; $custom-dark: #000000;
JSON
{
"hex": "#3889b3",
"rgb": {
"r": 56,
"g": 137,
"b": 179
},
"hsl": {
"h": 200.488,
"s": 52.34,
"l": 46.078
},
"oklch": {
"l": 0.5987,
"c": 0.10067,
"h": 234.7
},
"luminance": 0.21987
}Semantic roles & 50–950 ramp
primary
#3889B3
secondary
#C59982
accent
#7D4CDC
background
#F8FAFC
surface
#EFF4F8
border
#CACED1
text
#0B1013
muted
#7C7F82