#3B74DE#3B74DE
#3B74DE is a mid, vivid blue. Relative luminance 0.187; OKLCH L 57.8% C 0.173 H 261.5°. Best body text is #000000 at 4.74:1 contrast (WCAG AA passes).
Color values
| HEX | #3B74DE |
|---|---|
| RGB | rgb(59, 116, 222) |
| HSL | hsl(219, 71%, 55%) |
| HSV | hsv(219, 73%, 87%) |
| CMYK | cmyk(73.4%, 47.7%, 0%, 12.9%) |
| CIE-LAB | lab(50.33, 17.48, -59.55) |
| CIE-LCH | lch(50.33, 62.06, 286.36°) |
| OKLab | oklab(57.75% -0.0257 -0.171) |
| OKLCH | oklch(57.75% 0.173 261.5) |
| XYZ | xyz(21.2291, 18.6922, 71.5822) |
| Luminance | 0.1870 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cerulean Blue
#056EEE
ΔE00 2.77
Deep Sky Blue
#0D75F8
ΔE00 2.83
Cornflower Blue
#5170D7
ΔE00 3.56
Clear Blue
#247AFD
ΔE00 3.93
Lightish Blue
#3D7AFD
ΔE00 4.31
Royal Blue
#4169E1
ΔE00 4.38
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3B74DE #DEA53B
analogous
#3BC6DE #3B74DE #533BDE
triadic
#3B74DE #DE3B74 #74DE3B
tetradic
#3B74DE #DE3BC6 #DEA53B #3BDE53
square
#3B74DE #DE3BC6 #DEA53B #3BDE53
split-complementary
#3B74DE #DE533B #C6DE3B
monochromatic
#173E88 #2056BC #3B74DE #6F99E7 #A4BEF0
Accessibility & contrast
On white
4.43
#3B74DE on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
4.74
#3B74DE on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #3B74DE
4.74:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3B74DE | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##3B74DE | 1.00 | 4.43 | 4.74 | 4.74 |
| #FFFFFF | 4.43 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.74 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.74 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#3980E2
Deuteranopia (green-blind)
#0071DC
Tritanopia (blue-blind)
#008D9E
Achromatopsia (no color)
#787878
Design tokens & code
CSS
--color: #3b74de; /* rgb */ color: rgb(59, 116, 222); /* oklch */ color: oklch(57.8% 0.173 261.5);
Tailwind
colors: {
custom: {
50: '#869be9',
500: '#3b74de',
950: '#000000',
},
}SCSS
$custom: #3b74de; $custom-light: #869be9; $custom-dark: #000000;
JSON
{
"hex": "#3b74de",
"rgb": {
"r": 59,
"g": 116,
"b": 222
},
"hsl": {
"h": 219.018,
"s": 71.179,
"l": 55.098
},
"oklch": {
"l": 0.57754,
"c": 0.17288,
"h": 261.5
},
"luminance": 0.18695
}Semantic roles & 50–950 ramp
primary
#3B74DE
secondary
#DDC598
accent
#AF3AEE
background
#F9F9FE
surface
#F1F2FD
border
#CBCCD5
text
#0D0E16
muted
#7E7E84