#2A3191#2A3191
#2A3191 is a dark, vivid blue. Relative luminance 0.047; OKLCH L 37.4% C 0.156 H 272.9°. Best body text is #FFFFFF at 10.79:1 contrast (WCAG AA passes).
Color values
| HEX | #2A3191 |
|---|---|
| RGB | rgb(42, 49, 145) |
| HSL | hsl(236, 55%, 37%) |
| HSV | hsv(236, 71%, 57%) |
| CMYK | cmyk(71%, 66.2%, 0%, 43.1%) |
| CIE-LAB | lab(25.96, 30.33, -53.80) |
| CIE-LCH | lch(25.96, 61.76, 299.42°) |
| OKLab | oklab(37.4% 0.008 -0.1554) |
| OKLCH | oklch(37.4% 0.156 272.9) |
| XYZ | xyz(7.1623, 4.7325, 27.3186) |
| Luminance | 0.0473 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Sapphire (survey)
#2138AB
ΔE00 4.12
Blueberry
#464196
ΔE00 5.57
Darkslateblue
#483D8B
ΔE00 5.72
Royal
#0C1793
ΔE00 6.60
Midnight Blue
#191970
ΔE00 7.57
Indigo Blue
#3A18B1
ΔE00 7.78
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2A3191 #918A2A
analogous
#2A6591 #2A3191 #572A91
triadic
#2A3191 #912A31 #31912A
tetradic
#2A3191 #912A65 #918A2A #2A9157
square
#2A3191 #912A65 #918A2A #2A9157
split-complementary
#2A3191 #91572A #65912A
monochromatic
#0F1132 #1C2162 #2A3191 #3841C0 #636BD2
Accessibility & contrast
On white
10.79
#2A3191 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.95
#2A3191 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #2A3191
10.79:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2A3191 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2A3191 | 1.00 | 10.79 | 1.95 | 10.79 |
| #FFFFFF | 10.79 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.95 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 10.79 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#004294
Deuteranopia (green-blind)
#00398F
Tritanopia (blue-blind)
#004A5C
Achromatopsia (no color)
#3D3D3D
Design tokens & code
CSS
--color: #2a3191; /* rgb */ color: rgb(42, 49, 145); /* oklch */ color: oklch(37.4% 0.156 272.9);
Tailwind
colors: {
custom: {
50: '#7269b2',
500: '#2a3191',
950: '#000000',
},
}SCSS
$custom: #2a3191; $custom-light: #7269b2; $custom-dark: #000000;
JSON
{
"hex": "#2a3191",
"rgb": {
"r": 42,
"g": 49,
"b": 145
},
"hsl": {
"h": 235.922,
"s": 55.08,
"l": 36.667
},
"oklch": {
"l": 0.37401,
"c": 0.15558,
"h": 272.9
},
"luminance": 0.04733
}Semantic roles & 50–950 ramp
primary
#2A3191
secondary
#B8B25F
accent
#D449DE
background
#F7F6FB
surface
#EDEBF6
border
#C8C6D0
text
#090611
muted
#7B7A80