#3772B1#3772B1
#3772B1 is a mid, moderate cyan. Relative luminance 0.160; OKLCH L 54.3% C 0.117 H 252.1°. Best body text is #FFFFFF at 5.00:1 contrast (WCAG AA passes).
Color values
| HEX | #3772B1 |
|---|---|
| RGB | rgb(55, 114, 177) |
| HSL | hsl(211, 53%, 45%) |
| HSV | hsv(211, 69%, 69%) |
| CMYK | cmyk(68.9%, 35.6%, 0%, 30.6%) |
| CIE-LAB | lab(47.00, 1.77, -39.09) |
| CIE-LCH | lch(47.00, 39.13, 272.59°) |
| OKLab | oklab(54.29% -0.0359 -0.111) |
| OKLCH | oklch(54.29% 0.117 252.1) |
| XYZ | xyz(15.5257, 16.0196, 43.8603) |
| Luminance | 0.1602 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Flat Blue
#3C73A8
ΔE00 1.25
Medium Blue
#2C6FBB
ΔE00 1.49
Bluish
#2976BB
ΔE00 2.24
Muted Blue
#3B719F
ΔE00 2.59
Windows Blue
#3778BF
ΔE00 2.63
Mid Blue
#276AB3
ΔE00 2.90
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3772B1 #B17637
analogous
#37AFB1 #3772B1 #3937B1
triadic
#3772B1 #B13772 #72B137
tetradic
#3772B1 #B137AF #B17637 #37B139
square
#3772B1 #B137AF #B17637 #37B139
split-complementary
#3772B1 #B13937 #AFB137
monochromatic
#1A3654 #285482 #3772B1 #5A91CC #88B0DA
Accessibility & contrast
On white
5.00
#3772B1 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.20
#3772B1 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #3772B1
5.00:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3772B1 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3772B1 | 1.00 | 5.00 | 4.20 | 5.00 |
| #FFFFFF | 5.00 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.20 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.00 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5676B4
Deuteranopia (green-blind)
#446AB0
Tritanopia (blue-blind)
#008189
Achromatopsia (no color)
#6F6F6F
Design tokens & code
CSS
--color: #3772b1; /* rgb */ color: rgb(55, 114, 177); /* oklch */ color: oklch(54.3% 0.117 252.1);
Tailwind
colors: {
custom: {
50: '#7c9ac8',
500: '#3772b1',
950: '#000000',
},
}SCSS
$custom: #3772b1; $custom-light: #7c9ac8; $custom-dark: #000000;
JSON
{
"hex": "#3772b1",
"rgb": {
"r": 55,
"g": 114,
"b": 177
},
"hsl": {
"h": 210.984,
"s": 52.586,
"l": 45.49
},
"oklch": {
"l": 0.54294,
"c": 0.11663,
"h": 252.1
},
"luminance": 0.16021
}Semantic roles & 50–950 ramp
primary
#3772B1
secondary
#C4A380
accent
#964CDC
background
#F8F9FC
surface
#EFF2F8
border
#CACCD1
text
#0A0E13
muted
#7C7E82