#3988C0#3988C0
#3988C0 is a mid, moderate cyan. Relative luminance 0.223; OKLCH L 60.3% C 0.115 H 243.0°. Best body text is #000000 at 5.46:1 contrast (WCAG AA passes).
Color values
| HEX | #3988C0 |
|---|---|
| RGB | rgb(57, 136, 192) |
| HSL | hsl(205, 54%, 49%) |
| HSV | hsv(205, 70%, 75%) |
| CMYK | cmyk(70.3%, 29.2%, 0%, 24.7%) |
| CIE-LAB | lab(54.32, -5.72, -36.18) |
| CIE-LCH | lch(54.32, 36.63, 261.02°) |
| OKLab | oklab(60.32% -0.0522 -0.1022) |
| OKLCH | oklch(60.32% 0.115 243) |
| XYZ | xyz(20.0023, 22.2818, 53.1056) |
| Luminance | 0.2228 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Water Blue
#0E87CC
ΔE00 2.04
Cool Blue
#4984B8
ΔE00 2.61
Cerulean (survey)
#0485D1
ΔE00 2.62
Steel Blue
#4682B4
ΔE00 2.83
Off Blue
#5684AE
ΔE00 4.24
Dusty Blue
#5A86AD
ΔE00 4.51
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3988C0 #C07139
analogous
#39C0B5 #3988C0 #3945C0
triadic
#3988C0 #C03988 #88C039
tetradic
#3988C0 #B539C0 #C07139 #45C039
square
#3988C0 #B539C0 #C07139 #45C039
split-complementary
#3988C0 #C03945 #C0B539
monochromatic
#1D4562 #2B6791 #3988C0 #65A4D1 #94C0DF
Accessibility & contrast
On white
3.85
#3988C0 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.46
#3988C0 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #3988C0
5.46:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3988C0 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##3988C0 | 1.00 | 3.85 | 5.46 | 5.46 |
| #FFFFFF | 3.85 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.46 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.46 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6E89C2
Deuteranopia (green-blind)
#5C7CBF
Tritanopia (blue-blind)
#00969C
Achromatopsia (no color)
#828282
Design tokens & code
CSS
--color: #3988c0; /* rgb */ color: rgb(57, 136, 192); /* oklch */ color: oklch(60.3% 0.115 243.0);
Tailwind
colors: {
custom: {
50: '#7faad3',
500: '#3988c0',
950: '#000000',
},
}SCSS
$custom: #3988c0; $custom-light: #7faad3; $custom-dark: #000000;
JSON
{
"hex": "#3988c0",
"rgb": {
"r": 57,
"g": 136,
"b": 192
},
"hsl": {
"h": 204.889,
"s": 54.217,
"l": 48.824
},
"oklch": {
"l": 0.60319,
"c": 0.11479,
"h": 243
},
"luminance": 0.22284
}Semantic roles & 50–950 ramp
primary
#3988C0
secondary
#CBA58A
accent
#874ADE
background
#F8FAFC
surface
#EFF4F9
border
#CACED2
text
#0B1014
muted
#7C7F82