#3D73C6#3D73C6
#3D73C6 is a mid, vivid blue. Relative luminance 0.173; OKLCH L 56.0% C 0.141 H 258.8°. Best body text is #FFFFFF at 4.70:1 contrast (WCAG AA passes).
Color values
| HEX | #3D73C6 |
|---|---|
| RGB | rgb(61, 115, 198) |
| HSL | hsl(216, 55%, 51%) |
| HSV | hsv(216, 69%, 78%) |
| CMYK | cmyk(69.2%, 41.9%, 0%, 22.4%) |
| CIE-LAB | lab(48.67, 9.67, -48.55) |
| CIE-LCH | lch(48.67, 49.50, 281.26°) |
| OKLab | oklab(56.03% -0.0275 -0.1386) |
| OKLCH | oklch(56.03% 0.141 258.8) |
| XYZ | xyz(18.2446, 17.3289, 55.7984) |
| Luminance | 0.1733 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Windows Blue
#3778BF
ΔE00 2.87
Medium Blue
#2C6FBB
ΔE00 2.96
Flat Blue
#3C73A8
ΔE00 3.99
Bluish
#2976BB
ΔE00 4.10
French Blue
#436BAD
ΔE00 4.14
Cerulean Blue
#056EEE
ΔE00 4.21
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3D73C6 #C6903D
analogous
#3DB8C6 #3D73C6 #4B3DC6
triadic
#3D73C6 #C63D73 #73C63D
tetradic
#3D73C6 #C63DB8 #C6903D #3DC64B
square
#3D73C6 #C63DB8 #C6903D #3DC64B
split-complementary
#3D73C6 #C64B3D #B8C63D
monochromatic
#1F3C6A #2D5799 #3D73C6 #6C95D4 #9CB7E2
Accessibility & contrast
On white
4.70
#3D73C6 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.47
#3D73C6 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #3D73C6
4.70:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3D73C6 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3D73C6 | 1.00 | 4.70 | 4.47 | 4.70 |
| #FFFFFF | 4.70 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.47 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 4.70 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#4C7AC9
Deuteranopia (green-blind)
#356EC4
Tritanopia (blue-blind)
#008693
Achromatopsia (no color)
#747474
Design tokens & code
CSS
--color: #3d73c6; /* rgb */ color: rgb(61, 115, 198); /* oklch */ color: oklch(56.0% 0.141 258.8);
Tailwind
colors: {
custom: {
50: '#829ad8',
500: '#3d73c6',
950: '#000000',
},
}SCSS
$custom: #3d73c6; $custom-light: #829ad8; $custom-dark: #000000;
JSON
{
"hex": "#3d73c6",
"rgb": {
"r": 61,
"g": 115,
"b": 198
},
"hsl": {
"h": 216.35,
"s": 54.582,
"l": 50.784
},
"oklch": {
"l": 0.56034,
"c": 0.1413,
"h": 258.8
},
"luminance": 0.17331
}Semantic roles & 50–950 ramp
primary
#3D73C6
secondary
#CEB691
accent
#A44ADE
background
#F8F9FD
surface
#F0F2FA
border
#CBCCD3
text
#0C0E14
muted
#7D7E83