#3771AF#3771AF
#3771AF is a mid, moderate cyan. Relative luminance 0.157; OKLCH L 53.9% C 0.115 H 252.1°. Best body text is #FFFFFF at 5.07:1 contrast (WCAG AA passes).
Color values
| HEX | #3771AF |
|---|---|
| RGB | rgb(55, 113, 175) |
| HSL | hsl(211, 52%, 45%) |
| HSV | hsv(211, 69%, 69%) |
| CMYK | cmyk(68.6%, 35.4%, 0%, 31.4%) |
| CIE-LAB | lab(46.60, 1.66, -38.55) |
| CIE-LCH | lch(46.60, 38.59, 272.47°) |
| OKLab | oklab(53.95% -0.0354 -0.1094) |
| OKLCH | oklch(53.95% 0.115 252.1) |
| XYZ | xyz(15.2157, 15.7160, 42.7807) |
| Luminance | 0.1572 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Flat Blue
#3C73A8
ΔE00 1.27
Medium Blue
#2C6FBB
ΔE00 1.44
Muted Blue
#3B719F
ΔE00 2.42
Mid Blue
#276AB3
ΔE00 2.57
Bluish
#2976BB
ΔE00 2.58
Windows Blue
#3778BF
ΔE00 3.05
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3771AF #AF7537
analogous
#37ADAF #3771AF #3937AF
triadic
#3771AF #AF3771 #71AF37
tetradic
#3771AF #AF37AD #AF7537 #37AF39
square
#3771AF #AF37AD #AF7537 #37AF39
split-complementary
#3771AF #AF3937 #ADAF37
monochromatic
#1A3552 #285380 #3771AF #5990CB #87AFD9
Accessibility & contrast
On white
5.07
#3771AF on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.14
#3771AF on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #3771AF
5.07:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3771AF | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3771AF | 1.00 | 5.07 | 4.14 | 5.07 |
| #FFFFFF | 5.07 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.14 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.07 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5575B2
Deuteranopia (green-blind)
#4469AE
Tritanopia (blue-blind)
#007F88
Achromatopsia (no color)
#6E6E6E
Design tokens & code
CSS
--color: #3771af; /* rgb */ color: rgb(55, 113, 175); /* oklch */ color: oklch(53.9% 0.115 252.1);
Tailwind
colors: {
custom: {
50: '#7b99c7',
500: '#3771af',
950: '#000000',
},
}SCSS
$custom: #3771af; $custom-light: #7b99c7; $custom-dark: #000000;
JSON
{
"hex": "#3771af",
"rgb": {
"r": 55,
"g": 113,
"b": 175
},
"hsl": {
"h": 211,
"s": 52.174,
"l": 45.098
},
"oklch": {
"l": 0.53946,
"c": 0.11502,
"h": 252.1
},
"luminance": 0.15718
}Semantic roles & 50–950 ramp
primary
#3771AF
secondary
#C3A27F
accent
#964CDC
background
#F8F9FC
surface
#EFF2F8
border
#CACCD1
text
#0A0D13
muted
#7C7E82