#398AB3#398AB3
#398AB3 is a mid, moderate cyan. Relative luminance 0.223; OKLCH L 60.1% C 0.100 H 234.0°. Best body text is #000000 at 5.46:1 contrast (WCAG AA passes).
Color values
| HEX | #398AB3 |
|---|---|
| RGB | rgb(57, 138, 179) |
| HSL | hsl(200, 52%, 46%) |
| HSV | hsv(200, 68%, 70%) |
| CMYK | cmyk(68.2%, 22.9%, 0%, 29.8%) |
| CIE-LAB | lab(54.34, -11.32, -28.73) |
| CIE-LCH | lch(54.34, 30.88, 248.50°) |
| OKLab | oklab(60.14% -0.0586 -0.0807) |
| OKLCH | oklch(60.14% 0.1 234) |
| XYZ | xyz(18.9093, 22.2994, 45.9468) |
| Luminance | 0.2230 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dirty Blue
#3F829D
ΔE00 4.96
Steel Blue
#4682B4
ΔE00 5.24
Water Blue
#0E87CC
ΔE00 5.34
Cool Blue
#4984B8
ΔE00 5.45
Dusty Blue
#5A86AD
ΔE00 5.60
Off Blue
#5684AE
ΔE00 5.78
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#398AB3 #B36239
analogous
#39B39F #398AB3 #394DB3
triadic
#398AB3 #B3398A #8AB339
tetradic
#398AB3 #9F39B3 #B36239 #4DB339
square
#398AB3 #9F39B3 #B36239 #4DB339
split-complementary
#398AB3 #B3394D #B39F39
monochromatic
#1B4256 #2A6685 #398AB3 #5EA7CC #8CC0DA
Accessibility & contrast
On white
3.85
#398AB3 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.46
#398AB3 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #398AB3
5.46:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##398AB3 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##398AB3 | 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)
#7689B5
Deuteranopia (green-blind)
#657DB2
Tritanopia (blue-blind)
#009598
Achromatopsia (no color)
#828282
Design tokens & code
CSS
--color: #398ab3; /* rgb */ color: rgb(57, 138, 179); /* oklch */ color: oklch(60.1% 0.100 234.0);
Tailwind
colors: {
custom: {
50: '#7dacca',
500: '#398ab3',
950: '#000000',
},
}SCSS
$custom: #398ab3; $custom-light: #7dacca; $custom-dark: #000000;
JSON
{
"hex": "#398ab3",
"rgb": {
"r": 57,
"g": 138,
"b": 179
},
"hsl": {
"h": 200.164,
"s": 51.695,
"l": 46.275
},
"oklch": {
"l": 0.60143,
"c": 0.0997,
"h": 234
},
"luminance": 0.22301
}Semantic roles & 50–950 ramp
primary
#398AB3
secondary
#C59983
accent
#7D4DDB
background
#F8FAFC
surface
#EFF4F8
border
#CACED1
text
#0B1013
muted
#7C7F82