#3772C8#3772C8
#3772C8 is a mid, vivid blue. Relative luminance 0.170; OKLCH L 55.7% C 0.147 H 258.0°. Best body text is #FFFFFF at 4.77:1 contrast (WCAG AA passes).
Color values
| HEX | #3772C8 |
|---|---|
| RGB | rgb(55, 114, 200) |
| HSL | hsl(216, 57%, 50%) |
| HSV | hsv(216, 73%, 78%) |
| CMYK | cmyk(72.5%, 43%, 0%, 21.6%) |
| CIE-LAB | lab(48.28, 10.14, -50.33) |
| CIE-LCH | lch(48.28, 51.34, 281.39°) |
| OKLab | oklab(55.71% -0.0305 -0.1439) |
| OKLCH | oklch(55.71% 0.147 258) |
| XYZ | xyz(18.0144, 17.0150, 56.9672) |
| Luminance | 0.1702 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Medium Blue
#2C6FBB
ΔE00 2.53
Windows Blue
#3778BF
ΔE00 2.84
Bluish
#2976BB
ΔE00 3.85
Flat Blue
#3C73A8
ΔE00 3.87
Cerulean Blue
#056EEE
ΔE00 3.95
French Blue
#436BAD
ΔE00 4.16
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3772C8 #C88D37
analogous
#37BBC8 #3772C8 #4437C8
triadic
#3772C8 #C83772 #72C837
tetradic
#3772C8 #C837BB #C88D37 #37C844
square
#3772C8 #C837BB #C88D37 #37C844
split-complementary
#3772C8 #C84437 #BBC837
monochromatic
#1D3B68 #2A5798 #3772C8 #6794D5 #97B6E2
Accessibility & contrast
On white
4.77
#3772C8 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.40
#3772C8 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #3772C8
4.77:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3772C8 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3772C8 | 1.00 | 4.77 | 4.40 | 4.77 |
| #FFFFFF | 4.77 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.40 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 4.77 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#487ACB
Deuteranopia (green-blind)
#2E6CC6
Tritanopia (blue-blind)
#008693
Achromatopsia (no color)
#737373
Design tokens & code
CSS
--color: #3772c8; /* rgb */ color: rgb(55, 114, 200); /* oklch */ color: oklch(55.7% 0.147 258.0);
Tailwind
colors: {
custom: {
50: '#809ad9',
500: '#3772c8',
950: '#000000',
},
}SCSS
$custom: #3772c8; $custom-light: #809ad9; $custom-dark: #000000;
JSON
{
"hex": "#3772c8",
"rgb": {
"r": 55,
"g": 114,
"b": 200
},
"hsl": {
"h": 215.586,
"s": 56.863,
"l": 50
},
"oklch": {
"l": 0.55705,
"c": 0.14715,
"h": 258
},
"luminance": 0.17017
}Semantic roles & 50–950 ramp
primary
#3772C8
secondary
#CEB38D
accent
#A248E0
background
#F8F9FD
surface
#F0F2FA
border
#CBCCD3
text
#0C0D15
muted
#7D7E83