#3A71B5#3A71B5
#3A71B5 is a mid, vivid cyan. Relative luminance 0.160; OKLCH L 54.4% C 0.122 H 254.9°. Best body text is #FFFFFF at 4.99:1 contrast (WCAG AA passes).
Color values
| HEX | #3A71B5 |
|---|---|
| RGB | rgb(58, 113, 181) |
| HSL | hsl(213, 51%, 47%) |
| HSV | hsv(213, 68%, 71%) |
| CMYK | cmyk(68%, 37.6%, 0%, 29%) |
| CIE-LAB | lab(47.03, 4.31, -41.35) |
| CIE-LCH | lch(47.03, 41.58, 275.95°) |
| OKLab | oklab(54.42% -0.0316 -0.1176) |
| OKLCH | oklch(54.42% 0.122 254.9) |
| XYZ | xyz(15.9875, 16.0444, 45.9614) |
| Luminance | 0.1605 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Medium Blue
#2C6FBB
ΔE00 1.31
Flat Blue
#3C73A8
ΔE00 2.12
Mid Blue
#276AB3
ΔE00 2.81
Windows Blue
#3778BF
ΔE00 2.88
Bluish
#2976BB
ΔE00 3.07
French Blue
#436BAD
ΔE00 3.11
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3A71B5 #B57E3A
analogous
#3AAEB5 #3A71B5 #413AB5
triadic
#3A71B5 #B53A71 #71B53A
tetradic
#3A71B5 #B53AAE #B57E3A #3AB541
square
#3A71B5 #B53AAE #B57E3A #3AB541
split-complementary
#3A71B5 #B5413A #AEB53A
monochromatic
#1C3758 #2B5487 #3A71B5 #6090CC #8EB1DB
Accessibility & contrast
On white
4.99
#3A71B5 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.21
#3A71B5 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #3A71B5
4.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3A71B5 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3A71B5 | 1.00 | 4.99 | 4.21 | 4.99 |
| #FFFFFF | 4.99 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.21 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 4.99 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5376B8
Deuteranopia (green-blind)
#416AB4
Tritanopia (blue-blind)
#00818A
Achromatopsia (no color)
#6F6F6F
Design tokens & code
CSS
--color: #3a71b5; /* rgb */ color: rgb(58, 113, 181); /* oklch */ color: oklch(54.4% 0.122 254.9);
Tailwind
colors: {
custom: {
50: '#7e99cb',
500: '#3a71b5',
950: '#000000',
},
}SCSS
$custom: #3a71b5; $custom-light: #7e99cb; $custom-dark: #000000;
JSON
{
"hex": "#3a71b5",
"rgb": {
"r": 58,
"g": 113,
"b": 181
},
"hsl": {
"h": 213.171,
"s": 51.464,
"l": 46.863
},
"oklch": {
"l": 0.5442,
"c": 0.12176,
"h": 254.9
},
"luminance": 0.16046
}Semantic roles & 50–950 ramp
primary
#3A71B5
secondary
#C6A985
accent
#9B4DDB
background
#F8F9FC
surface
#EFF2F8
border
#CACCD1
text
#0B0D13
muted
#7C7E82