#3959DA#3959DA
#3959DA is a mid, highly saturated blue. Relative luminance 0.131; OKLCH L 52.0% C 0.200 H 267.9°. Best body text is #FFFFFF at 5.81:1 contrast (WCAG AA passes).
Color values
| HEX | #3959DA |
|---|---|
| RGB | rgb(57, 89, 218) |
| HSL | hsl(228, 69%, 54%) |
| HSV | hsv(228, 74%, 85%) |
| CMYK | cmyk(73.9%, 59.2%, 0%, 14.5%) |
| CIE-LAB | lab(42.88, 32.88, -69.36) |
| CIE-LCH | lch(42.88, 76.76, 295.36°) |
| OKLab | oklab(52.01% -0.0072 -0.2003) |
| OKLCH | oklch(52.01% 0.2 267.9) |
| XYZ | xyz(17.9102, 13.0746, 67.8958) |
| Luminance | 0.1308 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Warm Blue
#4B57DB
ΔE00 2.39
Azul
#1D5DEC
ΔE00 2.83
Electric Blue
#0652FF
ΔE00 4.40
Royal Blue
#4169E1
ΔE00 5.38
Bright Blue
#0165FC
ΔE00 5.91
Dark Periwinkle
#665FD1
ΔE00 6.27
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3959DA #DABA39
analogous
#39A9DA #3959DA #6A39DA
triadic
#3959DA #DA3959 #59DA39
tetradic
#3959DA #DA39A9 #DABA39 #39DA6A
square
#3959DA #DA39A9 #DABA39 #39DA6A
split-complementary
#3959DA #DA6A39 #A9DA39
monochromatic
#182D81 #223FB4 #3959DA #6D84E4 #A0AFED
Accessibility & contrast
On white
5.81
#3959DA on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.62
#3959DA on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #3959DA
5.81:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3959DA | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3959DA | 1.00 | 5.81 | 3.62 | 5.81 |
| #FFFFFF | 5.81 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.62 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.81 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#006DDE
Deuteranopia (green-blind)
#005ED7
Tritanopia (blue-blind)
#007A91
Achromatopsia (no color)
#656565
Design tokens & code
CSS
--color: #3959da; /* rgb */ color: rgb(57, 89, 218); /* oklch */ color: oklch(52.0% 0.200 267.9);
Tailwind
colors: {
custom: {
50: '#8687e6',
500: '#3959da',
950: '#000000',
},
}SCSS
$custom: #3959da; $custom-light: #8687e6; $custom-dark: #000000;
JSON
{
"hex": "#3959da",
"rgb": {
"r": 57,
"g": 89,
"b": 218
},
"hsl": {
"h": 228.075,
"s": 68.511,
"l": 53.922
},
"oklch": {
"l": 0.52009,
"c": 0.2004,
"h": 267.9
},
"luminance": 0.13077
}Semantic roles & 50–950 ramp
primary
#3959DA
secondary
#DACC95
accent
#C93CEB
background
#F9F8FE
surface
#F1EFFC
border
#CBCAD5
text
#0D0B16
muted
#7E7C84