#2A3AB5#2A3AB5
#2A3AB5 is a dark, vivid blue. Relative luminance 0.069; OKLCH L 42.4% C 0.193 H 269.8°. Best body text is #FFFFFF at 8.86:1 contrast (WCAG AA passes).
Color values
| HEX | #2A3AB5 |
|---|---|
| RGB | rgb(42, 58, 181) |
| HSL | hsl(233, 62%, 44%) |
| HSV | hsv(233, 77%, 71%) |
| CMYK | cmyk(76.8%, 68%, 0%, 29%) |
| CIE-LAB | lab(31.47, 37.60, -66.53) |
| CIE-LCH | lch(31.47, 76.42, 299.47°) |
| OKLab | oklab(42.44% -0.0007 -0.1926) |
| OKLCH | oklch(42.44% 0.193 269.8) |
| XYZ | xyz(10.8055, 6.8534, 44.4604) |
| Luminance | 0.0685 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Sapphire (survey)
#2138AB
ΔE00 1.75
Blue Blue
#2242C7
ΔE00 3.25
Ocean Blue
#4F42B5
ΔE00 4.78
Blue With A Hint Of Purple
#533CC6
ΔE00 5.71
Blue (survey)
#0343DF
ΔE00 5.79
Blueberry
#464196
ΔE00 6.08
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2A3AB5 #B5A52A
analogous
#2A7FB5 #2A3AB5 #5F2AB5
triadic
#2A3AB5 #B52A3A #3AB52A
tetradic
#2A3AB5 #B52A7F #B5A52A #2AB55F
square
#2A3AB5 #B52A7F #B5A52A #2AB55F
split-complementary
#2A3AB5 #B55F2A #7FB52A
monochromatic
#131A52 #1E2A83 #2A3AB5 #4858D4 #7985E0
Accessibility & contrast
On white
8.86
#2A3AB5 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.37
#2A3AB5 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #2A3AB5
8.86:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2A3AB5 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2A3AB5 | 1.00 | 8.86 | 2.37 | 8.86 |
| #FFFFFF | 8.86 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.37 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.86 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0051B9
Deuteranopia (green-blind)
#0043B3
Tritanopia (blue-blind)
#005B72
Achromatopsia (no color)
#4A4A4A
Design tokens & code
CSS
--color: #2a3ab5; /* rgb */ color: rgb(42, 58, 181); /* oklch */ color: oklch(42.4% 0.193 269.8);
Tailwind
colors: {
custom: {
50: '#7a70cc',
500: '#2a3ab5',
950: '#000000',
},
}SCSS
$custom: #2a3ab5; $custom-light: #7a70cc; $custom-dark: #000000;
JSON
{
"hex": "#2a3ab5",
"rgb": {
"r": 42,
"g": 58,
"b": 181
},
"hsl": {
"h": 233.094,
"s": 62.332,
"l": 43.725
},
"oklch": {
"l": 0.42442,
"c": 0.19256,
"h": 269.8
},
"luminance": 0.06855
}Semantic roles & 50–950 ramp
primary
#2A3AB5
secondary
#C8BE73
accent
#D342E5
background
#F8F6FC
surface
#EFECF9
border
#CAC7D2
text
#0B0714
muted
#7C7A82