#2D31A6#2D31A6
#2D31A6 is a dark, vivid blue. Relative luminance 0.055; OKLCH L 39.6% C 0.183 H 272.9°. Best body text is #FFFFFF at 9.99:1 contrast (WCAG AA passes).
Color values
| HEX | #2D31A6 |
|---|---|
| RGB | rgb(45, 49, 166) |
| HSL | hsl(238, 57%, 41%) |
| HSV | hsv(238, 73%, 65%) |
| CMYK | cmyk(72.9%, 70.5%, 0%, 34.9%) |
| CIE-LAB | lab(28.13, 38.19, -63.04) |
| CIE-LCH | lch(28.13, 73.70, 301.20°) |
| OKLab | oklab(39.63% 0.0092 -0.1823) |
| OKLCH | oklch(39.63% 0.183 272.9) |
| XYZ | xyz(9.0611, 5.5068, 36.6544) |
| Luminance | 0.0551 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Sapphire (survey)
#2138AB
ΔE00 2.55
Indigo Blue
#3A18B1
ΔE00 5.69
Blueberry
#464196
ΔE00 6.03
Ocean Blue
#4F42B5
ΔE00 6.23
Blue Blue
#2242C7
ΔE00 6.38
Royal
#0C1793
ΔE00 6.77
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2D31A6 #A6A22D
analogous
#2D6EA6 #2D31A6 #662DA6
triadic
#2D31A6 #A62D31 #31A62D
tetradic
#2D31A6 #A62D6E #A6A22D #2DA666
square
#2D31A6 #A62D6E #A6A22D #2DA666
split-complementary
#2D31A6 #A6662D #6EA62D
monochromatic
#131546 #202376 #2D31A6 #4448CC #7477D9
Accessibility & contrast
On white
9.99
#2D31A6 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.10
#2D31A6 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #2D31A6
9.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2D31A6 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2D31A6 | 1.00 | 9.99 | 2.10 | 9.99 |
| #FFFFFF | 9.99 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.10 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 9.99 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0048AA
Deuteranopia (green-blind)
#003DA4
Tritanopia (blue-blind)
#005168
Achromatopsia (no color)
#424242
Design tokens & code
CSS
--color: #2d31a6; /* rgb */ color: rgb(45, 49, 166); /* oklch */ color: oklch(39.6% 0.183 272.9);
Tailwind
colors: {
custom: {
50: '#796ac2',
500: '#2d31a6',
950: '#000000',
},
}SCSS
$custom: #2d31a6; $custom-light: #796ac2; $custom-dark: #000000;
JSON
{
"hex": "#2d31a6",
"rgb": {
"r": 45,
"g": 49,
"b": 166
},
"hsl": {
"h": 238.017,
"s": 57.346,
"l": 41.373
},
"oklch": {
"l": 0.39633,
"c": 0.18254,
"h": 272.9
},
"luminance": 0.05508
}Semantic roles & 50–950 ramp
primary
#2D31A6
secondary
#C1BE6E
accent
#DC47E1
background
#F8F6FC
surface
#EFEBF8
border
#CAC6D1
text
#0A0612
muted
#7C7A81