#3D73C5#3D73C5
#3D73C5 is a mid, vivid blue. Relative luminance 0.173; OKLCH L 56.0% C 0.140 H 258.6°. Best body text is #FFFFFF at 4.71:1 contrast (WCAG AA passes).
Color values
| HEX | #3D73C5 |
|---|---|
| RGB | rgb(61, 115, 197) |
| HSL | hsl(216, 54%, 51%) |
| HSV | hsv(216, 69%, 77%) |
| CMYK | cmyk(69%, 41.6%, 0%, 22.7%) |
| CIE-LAB | lab(48.61, 9.31, -48.06) |
| CIE-LCH | lch(48.61, 48.96, 280.96°) |
| OKLab | oklab(55.97% -0.0277 -0.1372) |
| OKLCH | oklch(55.97% 0.14 258.6) |
| XYZ | xyz(18.1296, 17.2829, 55.1930) |
| Luminance | 0.1729 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Windows Blue
#3778BF
ΔE00 2.80
Medium Blue
#2C6FBB
ΔE00 2.87
Flat Blue
#3C73A8
ΔE00 3.88
Bluish
#2976BB
ΔE00 4.01
French Blue
#436BAD
ΔE00 4.08
Cerulean Blue
#056EEE
ΔE00 4.30
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3D73C5 #C58F3D
analogous
#3DB7C5 #3D73C5 #4B3DC5
triadic
#3D73C5 #C53D73 #73C53D
tetradic
#3D73C5 #C53DB7 #C58F3D #3DC54B
square
#3D73C5 #C53DB7 #C58F3D #3DC54B
split-complementary
#3D73C5 #C54B3D #B7C53D
monochromatic
#1F3C68 #2D5798 #3D73C5 #6C95D3 #9BB7E1
Accessibility & contrast
On white
4.71
#3D73C5 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.46
#3D73C5 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #3D73C5
4.71:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3D73C5 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3D73C5 | 1.00 | 4.71 | 4.46 | 4.71 |
| #FFFFFF | 4.71 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.46 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 4.71 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#4C7AC8
Deuteranopia (green-blind)
#366EC3
Tritanopia (blue-blind)
#008692
Achromatopsia (no color)
#737373
Design tokens & code
CSS
--color: #3d73c5; /* rgb */ color: rgb(61, 115, 197); /* oklch */ color: oklch(56.0% 0.140 258.6);
Tailwind
colors: {
custom: {
50: '#829ad7',
500: '#3d73c5',
950: '#000000',
},
}SCSS
$custom: #3d73c5; $custom-light: #829ad7; $custom-dark: #000000;
JSON
{
"hex": "#3d73c5",
"rgb": {
"r": 61,
"g": 115,
"b": 197
},
"hsl": {
"h": 216.176,
"s": 53.968,
"l": 50.588
},
"oklch": {
"l": 0.55971,
"c": 0.13994,
"h": 258.6
},
"luminance": 0.17285
}Semantic roles & 50–950 ramp
primary
#3D73C5
secondary
#CDB591
accent
#A34ADD
background
#F8F9FD
surface
#F0F2FA
border
#CBCCD3
text
#0C0E14
muted
#7D7E83