#3477BC#3477BC
#3477BC is a mid, vivid cyan. Relative luminance 0.176; OKLCH L 56.0% C 0.127 H 251.7°. Best body text is #FFFFFF at 4.66:1 contrast (WCAG AA passes).
Color values
| HEX | #3477BC |
|---|---|
| RGB | rgb(52, 119, 188) |
| HSL | hsl(210, 57%, 47%) |
| HSV | hsv(210, 72%, 74%) |
| CMYK | cmyk(72.3%, 36.7%, 0%, 26.3%) |
| CIE-LAB | lab(48.95, 2.24, -42.38) |
| CIE-LCH | lch(48.95, 42.43, 273.02°) |
| OKLab | oklab(55.98% -0.0399 -0.1206) |
| OKLCH | oklch(55.98% 0.127 251.7) |
| XYZ | xyz(17.0867, 17.5527, 50.0547) |
| Luminance | 0.1756 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Windows Blue
#3778BF
ΔE00 0.68
Bluish
#2976BB
ΔE00 1.19
Flat Blue
#3C73A8
ΔE00 2.61
Medium Blue
#2C6FBB
ΔE00 2.94
Muted Blue
#3B719F
ΔE00 4.04
Dull Blue
#49759C
ΔE00 4.31
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3477BC #BC7934
analogous
#34BBBC #3477BC #3534BC
triadic
#3477BC #BC3477 #77BC34
tetradic
#3477BC #BC34BB #BC7934 #34BC35
square
#3477BC #BC34BB #BC7934 #34BC35
split-complementary
#3477BC #BC3534 #BBBC34
monochromatic
#193A5C #27598C #3477BC #5B96D2 #8BB5DF
Accessibility & contrast
On white
4.66
#3477BC on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.51
#3477BC on #000000
AA ✓AA large ✓AAA ✗
Best text color
#FFFFFF on #3477BC
4.66:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3477BC | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3477BC | 1.00 | 4.66 | 4.51 | 4.66 |
| #FFFFFF | 4.66 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.51 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 4.66 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#577BBF
Deuteranopia (green-blind)
#436FBB
Tritanopia (blue-blind)
#008790
Achromatopsia (no color)
#747474
Design tokens & code
CSS
--color: #3477bc; /* rgb */ color: rgb(52, 119, 188); /* oklch */ color: oklch(56.0% 0.127 251.7);
Tailwind
colors: {
custom: {
50: '#7c9dd0',
500: '#3477bc',
950: '#000000',
},
}SCSS
$custom: #3477bc; $custom-light: #7c9dd0; $custom-dark: #000000;
JSON
{
"hex": "#3477bc",
"rgb": {
"r": 52,
"g": 119,
"b": 188
},
"hsl": {
"h": 210.441,
"s": 56.667,
"l": 47.059
},
"oklch": {
"l": 0.55979,
"c": 0.12699,
"h": 251.7
},
"luminance": 0.17555
}Semantic roles & 50–950 ramp
primary
#3477BC
secondary
#C9A683
accent
#9548E0
background
#F8F9FC
surface
#EFF2F9
border
#CACCD2
text
#0B0E14
muted
#7C7E82