#398CB9#398CB9
#398CB9 is a mid, moderate cyan. Relative luminance 0.231; OKLCH L 60.9% C 0.105 H 236.0°. Best body text is #000000 at 5.63:1 contrast (WCAG AA passes).
Color values
| HEX | #398CB9 |
|---|---|
| RGB | rgb(57, 140, 185) |
| HSL | hsl(201, 53%, 47%) |
| HSV | hsv(201, 69%, 73%) |
| CMYK | cmyk(69.2%, 24.3%, 0%, 27.5%) |
| CIE-LAB | lab(55.20, -10.41, -30.82) |
| CIE-LCH | lch(55.20, 32.53, 251.33°) |
| OKLab | oklab(60.91% -0.0586 -0.0867) |
| OKLCH | oklch(60.91% 0.105 236) |
| XYZ | xyz(19.8190, 23.1266, 49.3089) |
| Luminance | 0.2313 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Water Blue
#0E87CC
ΔE00 4.51
Steel Blue
#4682B4
ΔE00 5.05
Cool Blue
#4984B8
ΔE00 5.06
Dusty Blue
#5A86AD
ΔE00 5.48
Cerulean (survey)
#0485D1
ΔE00 5.60
Off Blue
#5684AE
ΔE00 5.66
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#398CB9 #B96639
analogous
#39B9A6 #398CB9 #394CB9
triadic
#398CB9 #B9398C #8CB939
tetradic
#398CB9 #A639B9 #B96639 #4CB939
square
#398CB9 #A639B9 #B96639 #4CB939
split-complementary
#398CB9 #B9394C #B9A639
monochromatic
#1C455B #2B698A #398CB9 #61A8CE #90C2DD
Accessibility & contrast
On white
3.73
#398CB9 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.63
#398CB9 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #398CB9
5.63:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##398CB9 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##398CB9 | 1.00 | 3.73 | 5.63 | 5.63 |
| #FFFFFF | 3.73 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.63 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.63 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#778BBB
Deuteranopia (green-blind)
#657FB8
Tritanopia (blue-blind)
#00989B
Achromatopsia (no color)
#848484
Design tokens & code
CSS
--color: #398cb9; /* rgb */ color: rgb(57, 140, 185); /* oklch */ color: oklch(60.9% 0.105 236.0);
Tailwind
colors: {
custom: {
50: '#7eadce',
500: '#398cb9',
950: '#000000',
},
}SCSS
$custom: #398cb9; $custom-light: #7eadce; $custom-dark: #000000;
JSON
{
"hex": "#398cb9",
"rgb": {
"r": 57,
"g": 140,
"b": 185
},
"hsl": {
"h": 201.094,
"s": 52.893,
"l": 47.451
},
"oklch": {
"l": 0.60911,
"c": 0.10461,
"h": 236
},
"luminance": 0.23129
}Semantic roles & 50–950 ramp
primary
#398CB9
secondary
#C89D86
accent
#7E4BDC
background
#F8FAFC
surface
#EFF4F9
border
#CACED2
text
#0B1013
muted
#7C7F82