#398DB5#398DB5
#398DB5 is a mid, moderate cyan. Relative luminance 0.233; OKLCH L 61.0% C 0.100 H 232.5°. Best body text is #000000 at 5.65:1 contrast (WCAG AA passes).
Color values
| HEX | #398DB5 |
|---|---|
| RGB | rgb(57, 141, 181) |
| HSL | hsl(199, 52%, 47%) |
| HSV | hsv(199, 69%, 71%) |
| CMYK | cmyk(68.5%, 22.1%, 0%, 29%) |
| CIE-LAB | lab(55.33, -12.32, -28.34) |
| CIE-LCH | lch(55.33, 30.90, 246.50°) |
| OKLab | oklab(60.96% -0.061 -0.0795) |
| OKLCH | oklch(60.96% 0.1 232.5) |
| XYZ | xyz(19.5494, 23.2537, 47.1652) |
| Luminance | 0.2326 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dirty Blue
#3F829D
ΔE00 5.33
Water Blue
#0E87CC
ΔE00 6.12
Steel Blue
#4682B4
ΔE00 6.25
Dusty Blue
#5A86AD
ΔE00 6.25
Cool Blue
#4984B8
ΔE00 6.35
Off Blue
#5684AE
ΔE00 6.56
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#398DB5 #B56139
analogous
#39B59F #398DB5 #394FB5
triadic
#398DB5 #B5398D #8DB539
tetradic
#398DB5 #9F39B5 #B56139 #4FB539
square
#398DB5 #9F39B5 #B56139 #4FB539
split-complementary
#398DB5 #B5394F #B59F39
monochromatic
#1C4458 #2A6986 #398DB5 #5FA9CD #8DC2DB
Accessibility & contrast
On white
3.72
#398DB5 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.65
#398DB5 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #398DB5
5.65:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##398DB5 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##398DB5 | 1.00 | 3.72 | 5.65 | 5.65 |
| #FFFFFF | 3.72 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.65 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.65 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#798BB7
Deuteranopia (green-blind)
#687FB4
Tritanopia (blue-blind)
#00989A
Achromatopsia (no color)
#848484
Design tokens & code
CSS
--color: #398db5; /* rgb */ color: rgb(57, 141, 181); /* oklch */ color: oklch(61.0% 0.100 232.5);
Tailwind
colors: {
custom: {
50: '#7eaecb',
500: '#398db5',
950: '#000000',
},
}SCSS
$custom: #398db5; $custom-light: #7eaecb; $custom-dark: #000000;
JSON
{
"hex": "#398db5",
"rgb": {
"r": 57,
"g": 141,
"b": 181
},
"hsl": {
"h": 199.355,
"s": 52.101,
"l": 46.667
},
"oklch": {
"l": 0.60959,
"c": 0.10022,
"h": 232.5
},
"luminance": 0.23256
}Semantic roles & 50–950 ramp
primary
#398DB5
secondary
#C69984
accent
#7A4CDC
background
#F8FAFC
surface
#EFF4F8
border
#CACED1
text
#0B1013
muted
#7C7F82