#3989C3#3989C3
#3989C3 is a mid, moderate cyan. Relative luminance 0.227; OKLCH L 60.7% C 0.117 H 243.6°. Best body text is #000000 at 5.54:1 contrast (WCAG AA passes).
Color values
| HEX | #3989C3 |
|---|---|
| RGB | rgb(57, 137, 195) |
| HSL | hsl(205, 55%, 49%) |
| HSV | hsv(205, 71%, 76%) |
| CMYK | cmyk(70.8%, 29.7%, 0%, 23.5%) |
| CIE-LAB | lab(54.76, -5.25, -37.20) |
| CIE-LCH | lch(54.76, 37.57, 261.97°) |
| OKLab | oklab(60.71% -0.0523 -0.1052) |
| OKLCH | oklch(60.71% 0.117 243.6) |
| XYZ | xyz(20.4796, 22.6990, 54.9212) |
| Luminance | 0.2270 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Water Blue
#0E87CC
ΔE00 2.02
Cerulean (survey)
#0485D1
ΔE00 2.55
Cool Blue
#4984B8
ΔE00 2.79
Steel Blue
#4682B4
ΔE00 3.15
Off Blue
#5684AE
ΔE00 4.43
Dusty Blue
#5A86AD
ΔE00 4.67
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3989C3 #C37339
analogous
#39C3B8 #3989C3 #3944C3
triadic
#3989C3 #C33989 #89C339
tetradic
#3989C3 #B839C3 #C37339 #44C339
square
#3989C3 #B839C3 #C37339 #44C339
split-complementary
#3989C3 #C33944 #C3B839
monochromatic
#1D4664 #2B6894 #3989C3 #67A5D2 #96C1E0
Accessibility & contrast
On white
3.79
#3989C3 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.54
#3989C3 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #3989C3
5.54:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3989C3 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##3989C3 | 1.00 | 3.79 | 5.54 | 5.54 |
| #FFFFFF | 3.79 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.54 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.54 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6F8AC6
Deuteranopia (green-blind)
#5C7DC2
Tritanopia (blue-blind)
#00979D
Achromatopsia (no color)
#838383
Design tokens & code
CSS
--color: #3989c3; /* rgb */ color: rgb(57, 137, 195); /* oklch */ color: oklch(60.7% 0.117 243.6);
Tailwind
colors: {
custom: {
50: '#80abd5',
500: '#3989c3',
950: '#000000',
},
}SCSS
$custom: #3989c3; $custom-light: #80abd5; $custom-dark: #000000;
JSON
{
"hex": "#3989c3",
"rgb": {
"r": 57,
"g": 137,
"b": 195
},
"hsl": {
"h": 205.217,
"s": 54.762,
"l": 49.412
},
"oklch": {
"l": 0.6071,
"c": 0.11746,
"h": 243.6
},
"luminance": 0.22701
}Semantic roles & 50–950 ramp
primary
#3989C3
secondary
#CCA78C
accent
#884ADE
background
#F8FAFD
surface
#F0F4FA
border
#CBCED3
text
#0B1014
muted
#7C7F83