#3969BE#3969BE
#3969BE is a mid, vivid blue. Relative luminance 0.147; OKLCH L 53.2% C 0.143 H 260.9°. Best body text is #FFFFFF at 5.33:1 contrast (WCAG AA passes).
Color values
| HEX | #3969BE |
|---|---|
| RGB | rgb(57, 105, 190) |
| HSL | hsl(218, 54%, 48%) |
| HSV | hsv(218, 70%, 75%) |
| CMYK | cmyk(70%, 44.7%, 0%, 25.5%) |
| CIE-LAB | lab(45.21, 12.43, -49.49) |
| CIE-LCH | lch(45.21, 51.02, 284.10°) |
| OKLab | oklab(53.16% -0.0227 -0.1416) |
| OKLCH | oklch(53.16% 0.143 260.9) |
| XYZ | xyz(16.0299, 14.6890, 50.6957) |
| Luminance | 0.1469 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
French Blue
#436BAD
ΔE00 2.09
Mid Blue
#276AB3
ΔE00 3.38
Medium Blue
#2C6FBB
ΔE00 3.51
Denim
#1560BD
ΔE00 3.72
Royal Blue
#4169E1
ΔE00 5.04
Flat Blue
#3C73A8
ΔE00 5.05
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3969BE #BE8E39
analogous
#39ABBE #3969BE #4B39BE
triadic
#3969BE #BE3969 #69BE39
tetradic
#3969BE #BE39AB #BE8E39 #39BE4B
square
#3969BE #BE39AB #BE8E39 #39BE4B
split-complementary
#3969BE #BE4B39 #ABBE39
monochromatic
#1D3560 #2B4F8F #3969BE #648BD0 #93AEDF
Accessibility & contrast
On white
5.33
#3969BE on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.94
#3969BE on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #3969BE
5.33:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3969BE | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3969BE | 1.00 | 5.33 | 3.94 | 5.33 |
| #FFFFFF | 5.33 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.94 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.33 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#3F72C1
Deuteranopia (green-blind)
#2665BC
Tritanopia (blue-blind)
#007D8A
Achromatopsia (no color)
#6B6B6B
Design tokens & code
CSS
--color: #3969be; /* rgb */ color: rgb(57, 105, 190); /* oklch */ color: oklch(53.2% 0.143 260.9);
Tailwind
colors: {
custom: {
50: '#7f93d2',
500: '#3969be',
950: '#000000',
},
}SCSS
$custom: #3969be; $custom-light: #7f93d2; $custom-dark: #000000;
JSON
{
"hex": "#3969be",
"rgb": {
"r": 57,
"g": 105,
"b": 190
},
"hsl": {
"h": 218.346,
"s": 53.846,
"l": 48.431
},
"oklch": {
"l": 0.53159,
"c": 0.14339,
"h": 260.9
},
"luminance": 0.14691
}Semantic roles & 50–950 ramp
primary
#3969BE
secondary
#CAB289
accent
#A84BDD
background
#F8F9FC
surface
#EFF1F9
border
#CACBD2
text
#0B0D14
muted
#7C7E82