#3957D6#3957D6
#3957D6 is a mid, vivid blue. Relative luminance 0.125; OKLCH L 51.3% C 0.198 H 268.3°. Best body text is #FFFFFF at 5.99:1 contrast (WCAG AA passes).
Color values
| HEX | #3957D6 |
|---|---|
| RGB | rgb(57, 87, 214) |
| HSL | hsl(229, 66%, 53%) |
| HSV | hsv(229, 73%, 84%) |
| CMYK | cmyk(73.4%, 59.3%, 0%, 16.1%) |
| CIE-LAB | lab(42.06, 32.71, -68.40) |
| CIE-LCH | lch(42.06, 75.82, 295.56°) |
| OKLab | oklab(51.31% -0.0059 -0.1975) |
| OKLCH | oklch(51.31% 0.198 268.3) |
| XYZ | xyz(17.2289, 12.5394, 65.1176) |
| Luminance | 0.1254 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Warm Blue
#4B57DB
ΔE00 2.42
Azul
#1D5DEC
ΔE00 3.53
Electric Blue
#0652FF
ΔE00 4.68
Sapphire
#0F52BA
ΔE00 5.78
Blue (survey)
#0343DF
ΔE00 5.95
Royal Blue
#4169E1
ΔE00 6.13
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3957D6 #D6B839
analogous
#39A5D6 #3957D6 #6939D6
triadic
#3957D6 #D63957 #57D639
tetradic
#3957D6 #D639A5 #D6B839 #39D669
square
#3957D6 #D639A5 #D6B839 #39D669
split-complementary
#3957D6 #D66939 #A5D639
monochromatic
#192C7B #243EAE #3957D6 #6C82E0 #9EADEB
Accessibility & contrast
On white
5.99
#3957D6 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.51
#3957D6 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #3957D6
5.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3957D6 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3957D6 | 1.00 | 5.99 | 3.51 | 5.99 |
| #FFFFFF | 5.99 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.51 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.99 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#006BDA
Deuteranopia (green-blind)
#005CD4
Tritanopia (blue-blind)
#00778E
Achromatopsia (no color)
#636363
Design tokens & code
CSS
--color: #3957d6; /* rgb */ color: rgb(57, 87, 214); /* oklch */ color: oklch(51.3% 0.198 268.3);
Tailwind
colors: {
custom: {
50: '#8586e4',
500: '#3957d6',
950: '#000000',
},
}SCSS
$custom: #3957d6; $custom-light: #8586e4; $custom-dark: #000000;
JSON
{
"hex": "#3957d6",
"rgb": {
"r": 57,
"g": 87,
"b": 214
},
"hsl": {
"h": 228.535,
"s": 65.69,
"l": 53.137
},
"oklch": {
"l": 0.51305,
"c": 0.19757,
"h": 268.3
},
"luminance": 0.12541
}Semantic roles & 50–950 ramp
primary
#3957D6
secondary
#D7CA94
accent
#C83FE9
background
#F8F8FE
surface
#F0EFFC
border
#CBCAD5
text
#0D0B16
muted
#7D7C84