#2D40AA#2D40AA
#2D40AA is a dark, vivid blue. Relative luminance 0.071; OKLCH L 42.6% C 0.170 H 269.7°. Best body text is #FFFFFF at 8.66:1 contrast (WCAG AA passes).
Color values
| HEX | #2D40AA |
|---|---|
| RGB | rgb(45, 64, 170) |
| HSL | hsl(231, 58%, 42%) |
| HSV | hsv(231, 74%, 67%) |
| CMYK | cmyk(73.5%, 62.4%, 0%, 33.3%) |
| CIE-LAB | lab(32.09, 30.07, -58.95) |
| CIE-LCH | lch(32.09, 66.18, 297.03°) |
| OKLab | oklab(42.64% -0.0008 -0.1703) |
| OKLCH | oklch(42.64% 0.17 269.7) |
| XYZ | xyz(10.1688, 7.1259, 38.8619) |
| Luminance | 0.0713 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Sapphire (survey)
#2138AB
ΔE00 2.39
Blue Blue
#2242C7
ΔE00 3.85
Cobalt
#0047AB
ΔE00 4.50
Blueberry
#464196
ΔE00 4.82
Ocean Blue
#4F42B5
ΔE00 5.11
Cobalt (survey)
#1E488F
ΔE00 6.44
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2D40AA #AA972D
analogous
#2D7FAA #2D40AA #592DAA
triadic
#2D40AA #AA2D40 #40AA2D
tetradic
#2D40AA #AA2D7F #AA972D #2DAA59
square
#2D40AA #AA2D7F #AA972D #2DAA59
split-complementary
#2D40AA #AA592D #7FAA2D
monochromatic
#131C49 #202E7A #2D40AA #465BCE #7786DB
Accessibility & contrast
On white
8.66
#2D40AA on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.43
#2D40AA on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #2D40AA
8.66:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2D40AA | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2D40AA | 1.00 | 8.66 | 2.43 | 8.66 |
| #FFFFFF | 8.66 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.43 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.66 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0051AD
Deuteranopia (green-blind)
#0046A8
Tritanopia (blue-blind)
#005B6F
Achromatopsia (no color)
#4B4B4B
Design tokens & code
CSS
--color: #2d40aa; /* rgb */ color: rgb(45, 64, 170); /* oklch */ color: oklch(42.6% 0.170 269.7);
Tailwind
colors: {
custom: {
50: '#7874c4',
500: '#2d40aa',
950: '#000000',
},
}SCSS
$custom: #2d40aa; $custom-light: #7874c4; $custom-dark: #000000;
JSON
{
"hex": "#2d40aa",
"rgb": {
"r": 45,
"g": 64,
"b": 170
},
"hsl": {
"h": 230.88,
"s": 58.14,
"l": 42.157
},
"oklch": {
"l": 0.42635,
"c": 0.17027,
"h": 269.7
},
"luminance": 0.07127
}Semantic roles & 50–950 ramp
primary
#2D40AA
secondary
#C3B670
accent
#CA46E1
background
#F7F7FC
surface
#EEEDF8
border
#C9C8D1
text
#0A0813
muted
#7C7B82