#2A40A5#2A40A5
#2A40A5 is a dark, vivid blue. Relative luminance 0.069; OKLCH L 42.0% C 0.164 H 268.7°. Best body text is #FFFFFF at 8.84:1 contrast (WCAG AA passes).
Color values
| HEX | #2A40A5 |
|---|---|
| RGB | rgb(42, 64, 165) |
| HSL | hsl(229, 59%, 41%) |
| HSV | hsv(229, 75%, 65%) |
| CMYK | cmyk(74.5%, 61.2%, 0%, 35.3%) |
| CIE-LAB | lab(31.52, 27.84, -56.89) |
| CIE-LCH | lch(31.52, 63.34, 296.08°) |
| OKLab | oklab(42.04% -0.0036 -0.1643) |
| OKLCH | oklch(42.04% 0.164 268.7) |
| XYZ | xyz(9.5774, 6.8746, 36.4122) |
| Luminance | 0.0688 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Sapphire (survey)
#2138AB
ΔE00 2.63
Cobalt
#0047AB
ΔE00 4.09
Blue Blue
#2242C7
ΔE00 4.57
Blueberry
#464196
ΔE00 4.80
Cobalt (survey)
#1E488F
ΔE00 5.69
Ocean Blue
#4F42B5
ΔE00 5.86
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2A40A5 #A58F2A
analogous
#2A7DA5 #2A40A5 #512AA5
triadic
#2A40A5 #A52A40 #40A52A
tetradic
#2A40A5 #A52A7D #A58F2A #2AA551
square
#2A40A5 #A52A7D #A58F2A #2AA551
split-complementary
#2A40A5 #A5512A #7DA52A
monochromatic
#111A43 #1E2D74 #2A40A5 #3E58CE #6F82DA
Accessibility & contrast
On white
8.84
#2A40A5 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.38
#2A40A5 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #2A40A5
8.84:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2A40A5 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2A40A5 | 1.00 | 8.84 | 2.38 | 8.84 |
| #FFFFFF | 8.84 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.38 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.84 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0050A8
Deuteranopia (green-blind)
#0045A3
Tritanopia (blue-blind)
#005A6C
Achromatopsia (no color)
#4A4A4A
Design tokens & code
CSS
--color: #2a40a5; /* rgb */ color: rgb(42, 64, 165); /* oklch */ color: oklch(42.0% 0.164 268.7);
Tailwind
colors: {
custom: {
50: '#7674c1',
500: '#2a40a5',
950: '#000000',
},
}SCSS
$custom: #2a40a5; $custom-light: #7674c1; $custom-dark: #000000;
JSON
{
"hex": "#2a40a5",
"rgb": {
"r": 42,
"g": 64,
"b": 165
},
"hsl": {
"h": 229.268,
"s": 59.42,
"l": 40.588
},
"oklch": {
"l": 0.4204,
"c": 0.16434,
"h": 268.7
},
"luminance": 0.06876
}Semantic roles & 50–950 ramp
primary
#2A40A5
secondary
#C1B269
accent
#C645E3
background
#F7F7FB
surface
#EEEDF7
border
#C9C8D0
text
#0A0812
muted
#7C7B81