#3831AA#3831AA
#3831AA is a dark, vivid blue. Relative luminance 0.059; OKLCH L 40.8% C 0.185 H 276.9°. Best body text is #FFFFFF at 9.60:1 contrast (WCAG AA passes).
Color values
| HEX | #3831AA |
|---|---|
| RGB | rgb(56, 49, 170) |
| HSL | hsl(243, 55%, 43%) |
| HSV | hsv(243, 71%, 67%) |
| CMYK | cmyk(67.1%, 71.2%, 0%, 33.3%) |
| CIE-LAB | lab(29.26, 40.83, -63.57) |
| CIE-LCH | lch(29.26, 75.55, 302.71°) |
| OKLab | oklab(40.75% 0.0222 -0.1836) |
| OKLCH | oklch(40.75% 0.185 276.9) |
| XYZ | xyz(9.9825, 5.9388, 38.6427) |
| Luminance | 0.0594 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Sapphire (survey)
#2138AB
ΔE00 3.47
Indigo Blue
#3A18B1
ΔE00 5.03
Ocean Blue
#4F42B5
ΔE00 5.33
Blueberry
#464196
ΔE00 5.92
Blue With A Hint Of Purple
#533CC6
ΔE00 5.93
Blue Blue
#2242C7
ΔE00 6.37
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3831AA #A3AA31
analogous
#3166AA #3831AA #7431AA
triadic
#3831AA #AA3831 #31AA38
tetradic
#3831AA #AA3166 #A3AA31 #31AA74
square
#3831AA #AA3166 #A3AA31 #31AA74
split-complementary
#3831AA #AA7431 #66AA31
monochromatic
#19164B #28237A #3831AA #544DCC #827CD9
Accessibility & contrast
On white
9.60
#3831AA on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.19
#3831AA on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #3831AA
9.60:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3831AA | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3831AA | 1.00 | 9.60 | 2.19 | 9.60 |
| #FFFFFF | 9.60 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.19 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 9.60 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#004AAE
Deuteranopia (green-blind)
#0040A8
Tritanopia (blue-blind)
#00526A
Achromatopsia (no color)
#454545
Design tokens & code
CSS
--color: #3831aa; /* rgb */ color: rgb(56, 49, 170); /* oklch */ color: oklch(40.8% 0.185 276.9);
Tailwind
colors: {
custom: {
50: '#7e6ac4',
500: '#3831aa',
950: '#000000',
},
}SCSS
$custom: #3831aa; $custom-light: #7e6ac4; $custom-dark: #000000;
JSON
{
"hex": "#3831aa",
"rgb": {
"r": 56,
"g": 49,
"b": 170
},
"hsl": {
"h": 243.471,
"s": 55.251,
"l": 42.941
},
"oklch": {
"l": 0.40752,
"c": 0.18492,
"h": 276.9
},
"luminance": 0.0594
}Semantic roles & 50–950 ramp
primary
#3831AA
secondary
#BDC275
accent
#DF49D6
background
#F8F6FC
surface
#EFEBF8
border
#CAC6D1
text
#0B0613
muted
#7C7A82