#2A2A64
Closest named color: Marine (#042E60). oklch(32% 0.1 279.2), rgb(42, 42, 100).
Aa
White text reads best on this color (13.01:1).
About this color
#2A2A64 is a dark, moderately saturated blue. In OKLCH its lightness is 32%, its chroma 0.100 and its hue 279°. Its hue sits on the cool side of the wheel. The nearest named color is Marine (#042E60), ΔE 0.042 away. White text reads best on it, at 13.01:1.
| Hue family | Blues |
| Lightness | dark (32%) |
| Chroma | moderately saturated (0.100) |
| Temperature | cool |
| Nearest name | Marine (#042E60) |
| Black text | 1.61:1 |
| White text | 13.01:1 |
Values
| HEX | #2A2A64 |
| RGB | rgb(42, 42, 100) |
| HSL | hsl(240, 41%, 28%) |
| OKLCH | oklch(32% 0.1 279.2) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #2A2A64 | 13.01:1 | AAA | Lc -102.3 | Preferred for body text |
| Black text on #2A2A64 | 1.61:1 | Fails | Lc 0.0 | Not readable |
| #2A2A64 text on white | 13.01:1 | AAA | Lc 99.0 | Preferred for body text |
| #2A2A64 text on black | 1.61:1 | Fails | Lc 0.0 | Not readable |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 950.
-
Step 50
50
#F3F5FF
oklch(97.2% 0.013 277.1)
-
Step 100
100
#E5E8FF
oklch(93.6% 0.031 279.9)
-
Step 200
200
#D0D6FF
oklch(88.5% 0.057 278.6)
-
Step 300
300
#B3BAFF
oklch(80.8% 0.098 279.5)
-
Step 400
400
#8D93FF
oklch(70.6% 0.156 279.2)
-
Step 500
500
#7474FF
oklch(63.2% 0.201 278.9)
-
Step 600
600
#604DFF
oklch(55.6% 0.25 279.3)
-
Step 700
700
#5037E5
oklch(49.1% 0.244 279)
-
Step 800
800
#4130B9
oklch(42.8% 0.203 279.1)
-
Step 900
900
#362E92
oklch(37.8% 0.158 279.3)
-
Step 950
950 (this color)
#2A2A64
oklch(32% 0.1 279.2)
#2A2A64 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #063366 | 0.042 |
| Deuteranopia (no green cones) | #002F63 | 0.043 |
| Tritanopia (no blue cones) | #0E3742 | 0.087 |
| Achromatopsia (no color) | #313131 | 0.100 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2A2A64
#2A2A64
oklch(32% 0.1 279.2)
- #3B3300
#3B3300
oklch(32% 0.066 99.7)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #2A2A64, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Marine #042E60 ΔE 0.042
- Prussian Blue #1D3557 ΔE 0.045
- Marine Blue #01386A ΔE 0.050
- Midnight Blue #191970 ΔE 0.056
- Space Cadet #2B2D42 ΔE 0.064
- Gunmetal #293241 ΔE 0.072
- Dark Blue Grey #1F3B4D ΔE 0.074
- Twilight Blue #0A437A ΔE 0.077
Use #2A2A64 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.