#398BB9#398BB9
#398BB9 is a mid, moderate cyan. Relative luminance 0.228; OKLCH L 60.7% C 0.105 H 236.8°. Best body text is #000000 at 5.57:1 contrast (WCAG AA passes).
Color values
| HEX | #398BB9 |
|---|---|
| RGB | rgb(57, 139, 185) |
| HSL | hsl(202, 53%, 47%) |
| HSV | hsv(202, 69%, 73%) |
| CMYK | cmyk(69.2%, 24.9%, 0%, 27.5%) |
| CIE-LAB | lab(54.90, -9.85, -31.29) |
| CIE-LCH | lch(54.90, 32.80, 252.53°) |
| OKLab | oklab(60.67% -0.0575 -0.088) |
| OKLCH | oklch(60.67% 0.105 236.8) |
| XYZ | xyz(19.6735, 22.8357, 49.2604) |
| Luminance | 0.2284 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Water Blue
#0E87CC
ΔE00 4.07
Steel Blue
#4682B4
ΔE00 4.60
Cool Blue
#4984B8
ΔE00 4.62
Cerulean (survey)
#0485D1
ΔE00 5.13
Dusty Blue
#5A86AD
ΔE00 5.22
Off Blue
#5684AE
ΔE00 5.33
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#398BB9 #B96739
analogous
#39B9A7 #398BB9 #394BB9
triadic
#398BB9 #B9398B #8BB939
tetradic
#398BB9 #A739B9 #B96739 #4BB939
square
#398BB9 #A739B9 #B96739 #4BB939
split-complementary
#398BB9 #B9394B #B9A739
monochromatic
#1C455B #2B688A #398BB9 #61A7CE #90C1DD
Accessibility & contrast
On white
3.77
#398BB9 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.57
#398BB9 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #398BB9
5.57:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##398BB9 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##398BB9 | 1.00 | 3.77 | 5.57 | 5.57 |
| #FFFFFF | 3.77 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.57 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.57 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#758ABB
Deuteranopia (green-blind)
#647EB8
Tritanopia (blue-blind)
#00979B
Achromatopsia (no color)
#838383
Design tokens & code
CSS
--color: #398bb9; /* rgb */ color: rgb(57, 139, 185); /* oklch */ color: oklch(60.7% 0.105 236.8);
Tailwind
colors: {
custom: {
50: '#7eacce',
500: '#398bb9',
950: '#000000',
},
}SCSS
$custom: #398bb9; $custom-light: #7eacce; $custom-dark: #000000;
JSON
{
"hex": "#398bb9",
"rgb": {
"r": 57,
"g": 139,
"b": 185
},
"hsl": {
"h": 201.563,
"s": 52.893,
"l": 47.451
},
"oklch": {
"l": 0.60673,
"c": 0.10516,
"h": 236.8
},
"luminance": 0.22838
}Semantic roles & 50–950 ramp
primary
#398BB9
secondary
#C89E86
accent
#804BDC
background
#F8FAFC
surface
#EFF4F9
border
#CACED2
text
#0B1013
muted
#7C7F82