#2A40BF#2A40BF
#2A40BF is a dark, vivid blue. Relative luminance 0.079; OKLCH L 44.4% C 0.199 H 268.7°. Best body text is #FFFFFF at 8.13:1 contrast (WCAG AA passes).
Color values
| HEX | #2A40BF |
|---|---|
| RGB | rgb(42, 64, 191) |
| HSL | hsl(231, 64%, 46%) |
| HSV | hsv(231, 78%, 75%) |
| CMYK | cmyk(78%, 66.5%, 0%, 25.1%) |
| CIE-LAB | lab(33.81, 37.43, -68.58) |
| CIE-LCH | lch(33.81, 78.13, 298.62°) |
| OKLab | oklab(44.43% -0.0046 -0.1985) |
| OKLCH | oklch(44.43% 0.199 268.7) |
| XYZ | xyz(12.1890, 7.9192, 50.1663) |
| Luminance | 0.0792 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Blue Blue
#2242C7
ΔE00 1.23
Sapphire (survey)
#2138AB
ΔE00 3.53
Blue (survey)
#0343DF
ΔE00 3.98
Ocean Blue
#4F42B5
ΔE00 4.55
Blue With A Hint Of Purple
#533CC6
ΔE00 5.37
Cobalt
#0047AB
ΔE00 5.63
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2A40BF #BFA92A
analogous
#2A8ABF #2A40BF #5E2ABF
triadic
#2A40BF #BF2A40 #40BF2A
tetradic
#2A40BF #BF2A8A #BFA92A #2ABF5E
square
#2A40BF #BF2A8A #BFA92A #2ABF5E
split-complementary
#2A40BF #BF5E2A #8ABF2A
monochromatic
#141E5B #1F2F8D #2A40BF #4E62D8 #808FE3
Accessibility & contrast
On white
8.13
#2A40BF on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.58
#2A40BF on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #2A40BF
8.13:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2A40BF | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2A40BF | 1.00 | 8.13 | 2.58 | 8.13 |
| #FFFFFF | 8.13 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.58 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.13 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0057C3
Deuteranopia (green-blind)
#0048BD
Tritanopia (blue-blind)
#00627A
Achromatopsia (no color)
#505050
Design tokens & code
CSS
--color: #2a40bf; /* rgb */ color: rgb(42, 64, 191); /* oklch */ color: oklch(44.4% 0.199 268.7);
Tailwind
colors: {
custom: {
50: '#7c75d3',
500: '#2a40bf',
950: '#000000',
},
}SCSS
$custom: #2a40bf; $custom-light: #7c75d3; $custom-dark: #000000;
JSON
{
"hex": "#2a40bf",
"rgb": {
"r": 42,
"g": 64,
"b": 191
},
"hsl": {
"h": 231.141,
"s": 63.948,
"l": 45.686
},
"oklch": {
"l": 0.44434,
"c": 0.19859,
"h": 268.7
},
"luminance": 0.07921
}Semantic roles & 50–950 ramp
primary
#2A40BF
secondary
#CCC079
accent
#CE41E7
background
#F8F7FD
surface
#EFEDFA
border
#CAC8D3
text
#0B0814
muted
#7C7B83