#3198B4#3198B4
#3198B4 is a light, moderate cyan. Relative luminance 0.264; OKLCH L 63.4% C 0.100 H 220.0°. Best body text is #000000 at 6.28:1 contrast (WCAG AA passes).
Color values
| HEX | #3198B4 |
|---|---|
| RGB | rgb(49, 152, 180) |
| HSL | hsl(193, 57%, 45%) |
| HSV | hsv(193, 73%, 71%) |
| CMYK | cmyk(72.8%, 15.6%, 0%, 29.4%) |
| CIE-LAB | lab(58.42, -19.79, -23.03) |
| CIE-LCH | lch(58.42, 30.37, 229.32°) |
| OKLab | oklab(63.35% -0.0768 -0.0643) |
| OKLCH | oklch(63.35% 0.1 220) |
| XYZ | xyz(20.7296, 26.4023, 47.1748) |
| Luminance | 0.2641 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Teal Blue
#01889F
ΔE00 6.40
Dirty Blue
#3F829D
ΔE00 7.89
Greyblue
#77A1B5
ΔE00 8.61
Turquoise Blue
#06B1C4
ΔE00 8.82
Cadetblue
#5F9EA0
ΔE00 9.65
Ocean
#017B92
ΔE00 10.95
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3198B4 #B44D31
analogous
#31B48E #3198B4 #3157B4
triadic
#3198B4 #B43198 #98B431
tetradic
#3198B4 #8E31B4 #B44D31 #57B431
square
#3198B4 #8E31B4 #B44D31 #57B431
split-complementary
#3198B4 #B43157 #B48E31
monochromatic
#174754 #246F84 #3198B4 #52B5D0 #82CADD
Accessibility & contrast
On white
3.34
#3198B4 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.28
#3198B4 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #3198B4
6.28:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3198B4 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##3198B4 | 1.00 | 3.34 | 6.28 | 6.28 |
| #FFFFFF | 3.34 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.28 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.28 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#8794B5
Deuteranopia (green-blind)
#7587B4
Tritanopia (blue-blind)
#00A1A1
Achromatopsia (no color)
#8C8C8C
Design tokens & code
CSS
--color: #3198b4; /* rgb */ color: rgb(49, 152, 180); /* oklch */ color: oklch(63.4% 0.100 220.0);
Tailwind
colors: {
custom: {
50: '#7cb6ca',
500: '#3198b4',
950: '#000000',
},
}SCSS
$custom: #3198b4; $custom-light: #7cb6ca; $custom-dark: #000000;
JSON
{
"hex": "#3198b4",
"rgb": {
"r": 49,
"g": 152,
"b": 180
},
"hsl": {
"h": 192.824,
"s": 57.205,
"l": 44.902
},
"oklch": {
"l": 0.63352,
"c": 0.10019,
"h": 220
},
"luminance": 0.26405
}Semantic roles & 50–950 ramp
primary
#3198B4
secondary
#C68B7B
accent
#6847E0
background
#F8FBFC
surface
#EFF6F8
border
#CAD0D1
text
#0B1113
muted
#7C8082