#2A2A6E
Closest named color: Marine (#042E60). oklch(32.9% 0.115 278), rgb(42, 42, 110).
Aa
White text reads best on this color (12.69:1).
About this color
#2A2A6E is a dark, moderately saturated blue. In OKLCH its lightness is 33%, its chroma 0.115 and its hue 278°. Its hue sits on the cool side of the wheel. The nearest named color is Marine (#042E60), ΔE 0.049 away. White text reads best on it, at 12.69:1.
| Hue family | Blues |
| Lightness | dark (33%) |
| Chroma | moderately saturated (0.115) |
| Temperature | cool |
| Nearest name | Marine (#042E60) |
| Black text | 1.65:1 |
| White text | 12.69:1 |
Values
| HEX | #2A2A6E |
| RGB | rgb(42, 42, 110) |
| HSL | hsl(240, 45%, 30%) |
| OKLCH | oklch(32.9% 0.115 278) |
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 #2A2A6E | 12.69:1 | AAA | Lc -101.8 | Preferred for body text |
| Black text on #2A2A6E | 1.65:1 | Fails | Lc 0.0 | Not readable |
| #2A2A6E text on white | 12.69:1 | AAA | Lc 98.4 | Preferred for body text |
| #2A2A6E text on black | 1.65:1 | 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 900.
-
Step 50
50
#F3F5FD
oklch(97.1% 0.011 274.9)
-
Step 100
100
#E5E9FB
oklch(93.6% 0.025 275.9)
-
Step 200
200
#D1D7F9
oklch(88.5% 0.047 277.5)
-
Step 300
300
#B3BCF8
oklch(80.9% 0.085 277.7)
-
Step 400
400
#8D96F5
oklch(70.6% 0.138 278.1)
-
Step 500
500
#7379F1
oklch(63% 0.177 277.9)
-
Step 600
600
#5E5FE0
oklch(55.7% 0.192 277.8)
-
Step 700
700
#4E4DC2
oklch(49.1% 0.178 278)
-
Step 800
800
#40409D
oklch(42.7% 0.147 278.2)
-
Step 900
900 (this color)
#2A2A6E
oklch(32.9% 0.115 278)
-
Step 950
950
#1F2149
oklch(27% 0.073 278.2)
#2A2A6E 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) | #003670 | 0.046 |
| Deuteranopia (no green cones) | #00306D | 0.042 |
| Tritanopia (no blue cones) | #003A47 | 0.099 |
| Achromatopsia (no color) | #333333 | 0.115 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2A2A6E
#2A2A6E
oklch(32.9% 0.115 278)
- #3E3500
#3E3500
oklch(32.9% 0.068 98.7)
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 #2A2A6E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Marine #042E60 ΔE 0.049
- Marine Blue #01386A ΔE 0.051
- Midnight Blue #191970 ΔE 0.051
- Prussian Blue #1D3557 ΔE 0.057
- Twilight Blue #0A437A ΔE 0.072
- Space Cadet #2B2D42 ΔE 0.081
- Royal #0C1793 ΔE 0.083
- Dark Blue Grey #1F3B4D ΔE 0.085
Use #2A2A6E 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.