#2A5AB9#2A5AB9
#2A5AB9 is a mid, vivid blue. Relative luminance 0.113; OKLCH L 49.0% C 0.159 H 262.1°. Best body text is #FFFFFF at 6.44:1 contrast (WCAG AA passes).
Color values
| HEX | #2A5AB9 |
|---|---|
| RGB | rgb(42, 90, 185) |
| HSL | hsl(220, 63%, 45%) |
| HSV | hsv(220, 77%, 73%) |
| CMYK | cmyk(77.3%, 51.4%, 0%, 27.5%) |
| CIE-LAB | lab(40.09, 18.23, -54.83) |
| CIE-LCH | lch(40.09, 57.79, 288.39°) |
| OKLab | oklab(48.98% -0.0218 -0.1578) |
| OKLCH | oklch(48.98% 0.159 262.1) |
| XYZ | xyz(13.3648, 11.3058, 47.3674) |
| Luminance | 0.1131 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Sapphire
#0F52BA
ΔE00 2.72
Denim
#1560BD
ΔE00 3.10
Denim Blue
#3B5B92
ΔE00 4.92
Dusky Blue
#475F94
ΔE00 5.92
French Blue
#436BAD
ΔE00 5.94
Dusk Blue
#26538D
ΔE00 5.94
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2A5AB9 #B9892A
analogous
#2AA2B9 #2A5AB9 #412AB9
triadic
#2A5AB9 #B92A5A #5AB92A
tetradic
#2A5AB9 #B92AA2 #B9892A #2AB941
square
#2A5AB9 #B92AA2 #B9892A #2AB941
split-complementary
#2A5AB9 #B9412A #A2B92A
monochromatic
#132955 #1F4287 #2A5AB9 #4A79D6 #7C9EE1
Accessibility & contrast
On white
6.44
#2A5AB9 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.26
#2A5AB9 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #2A5AB9
6.44:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2A5AB9 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2A5AB9 | 1.00 | 6.44 | 3.26 | 6.44 |
| #FFFFFF | 6.44 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.26 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.44 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#1C65BC
Deuteranopia (green-blind)
#0058B7
Tritanopia (blue-blind)
#007181
Achromatopsia (no color)
#5E5E5E
Design tokens & code
CSS
--color: #2a5ab9; /* rgb */ color: rgb(42, 90, 185); /* oklch */ color: oklch(49.0% 0.159 262.1);
Tailwind
colors: {
custom: {
50: '#7988cf',
500: '#2a5ab9',
950: '#000000',
},
}SCSS
$custom: #2a5ab9; $custom-light: #7988cf; $custom-dark: #000000;
JSON
{
"hex": "#2a5ab9",
"rgb": {
"r": 42,
"g": 90,
"b": 185
},
"hsl": {
"h": 219.86,
"s": 62.996,
"l": 44.51
},
"oklch": {
"l": 0.48975,
"c": 0.15933,
"h": 262.1
},
"luminance": 0.11307
}Semantic roles & 50–950 ramp
primary
#2A5AB9
secondary
#CAAD75
accent
#AF42E6
background
#F8F8FC
surface
#EFEFF9
border
#CACAD2
text
#0A0B14
muted
#7C7C82