#2A3591#2A3591
#2A3591 is a dark, vivid blue. Relative luminance 0.051; OKLCH L 38.1% C 0.151 H 271.9°. Best body text is #FFFFFF at 10.41:1 contrast (WCAG AA passes).
Color values
| HEX | #2A3591 |
|---|---|
| RGB | rgb(42, 53, 145) |
| HSL | hsl(234, 55%, 37%) |
| HSV | hsv(234, 71%, 57%) |
| CMYK | cmyk(71%, 63.4%, 0%, 43.1%) |
| CIE-LAB | lab(26.97, 27.69, -52.15) |
| CIE-LCH | lch(26.97, 59.05, 297.97°) |
| OKLab | oklab(38.14% 0.0049 -0.1505) |
| OKLCH | oklch(38.14% 0.151 271.9) |
| XYZ | xyz(7.3371, 5.0821, 27.3768) |
| Luminance | 0.0508 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Sapphire (survey)
#2138AB
ΔE00 3.80
Blueberry
#464196
ΔE00 4.92
Darkslateblue
#483D8B
ΔE00 5.36
Cobalt
#0047AB
ΔE00 7.50
Cobalt (survey)
#1E488F
ΔE00 7.65
Royal
#0C1793
ΔE00 7.80
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2A3591 #91862A
analogous
#2A6991 #2A3591 #532A91
triadic
#2A3591 #912A35 #35912A
tetradic
#2A3591 #912A69 #91862A #2A9153
square
#2A3591 #912A69 #91862A #2A9153
split-complementary
#2A3591 #91532A #69912A
monochromatic
#0F1232 #1C2462 #2A3591 #3846C0 #636FD2
Accessibility & contrast
On white
10.41
#2A3591 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.02
#2A3591 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #2A3591
10.41:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2A3591 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2A3591 | 1.00 | 10.41 | 2.02 | 10.41 |
| #FFFFFF | 10.41 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.02 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 10.41 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#004594
Deuteranopia (green-blind)
#003B8F
Tritanopia (blue-blind)
#004C5E
Achromatopsia (no color)
#404040
Design tokens & code
CSS
--color: #2a3591; /* rgb */ color: rgb(42, 53, 145); /* oklch */ color: oklch(38.1% 0.151 271.9);
Tailwind
colors: {
custom: {
50: '#726cb2',
500: '#2a3591',
950: '#000000',
},
}SCSS
$custom: #2a3591; $custom-light: #726cb2; $custom-dark: #000000;
JSON
{
"hex": "#2a3591",
"rgb": {
"r": 42,
"g": 53,
"b": 145
},
"hsl": {
"h": 233.592,
"s": 55.08,
"l": 36.667
},
"oklch": {
"l": 0.38142,
"c": 0.15058,
"h": 271.9
},
"luminance": 0.05083
}Semantic roles & 50–950 ramp
primary
#2A3591
secondary
#B8AE5F
accent
#CE49DE
background
#F7F6FB
surface
#EDEBF6
border
#C8C6D0
text
#090711
muted
#7B7A80