#2A2A5B
Closest named color: Prussian Blue (#1D3557). oklch(31.3% 0.086 280.3), rgb(42, 42, 91).
Aa
White text reads best on this color (13.28:1).
About this color
#2A2A5B is a dark, moderately saturated purple. In OKLCH its lightness is 31%, its chroma 0.086 and its hue 280°. Its hue sits on the cool side of the wheel. The nearest named color is Prussian Blue (#1D3557), ΔE 0.038 away. White text reads best on it, at 13.28:1.
| Hue family | Purples |
| Lightness | dark (31%) |
| Chroma | moderately saturated (0.086) |
| Temperature | cool |
| Nearest name | Prussian Blue (#1D3557) |
| Black text | 1.58:1 |
| White text | 13.28:1 |
Values
| HEX | #2A2A5B |
| RGB | rgb(42, 42, 91) |
| HSL | hsl(240, 37%, 26%) |
| OKLCH | oklch(31.3% 0.086 280.3) |
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 #2A2A5B | 13.28:1 | AAA | Lc -102.7 | Preferred for body text |
| Black text on #2A2A5B | 1.58:1 | Fails | Lc 0.0 | Not readable |
| #2A2A5B text on white | 13.28:1 | AAA | Lc 99.5 | Preferred for body text |
| #2A2A5B text on black | 1.58:1 | 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
#E6E8FE
oklch(93.6% 0.03 281.7)
-
Step 200
200
#D1D6FF
oklch(88.5% 0.057 279.7)
-
Step 300
300
#B4BAFF
oklch(80.9% 0.098 280.1)
-
Step 400
400
#8F93FF
oklch(70.7% 0.156 280)
-
Step 500
500
#7773FF
oklch(63.2% 0.202 280.2)
-
Step 600
600
#6354F1
oklch(55.6% 0.225 280.4)
-
Step 700
700
#5243D2
oklch(49.1% 0.21 280.1)
-
Step 800
800
#4338A9
oklch(42.6% 0.173 280.5)
-
Step 900
900
#373386
oklch(37.7% 0.134 279.9)
-
Step 950
950 (this color)
#2A2A5B
oklch(31.3% 0.086 280.3)
#2A2A5B 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) | #13315D | 0.033 |
| Deuteranopia (no green cones) | #0F2E5A | 0.035 |
| Tritanopia (no blue cones) | #17353E | 0.075 |
| Achromatopsia (no color) | #303030 | 0.086 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2A2A5B
#2A2A5B
oklch(31.3% 0.086 280.3)
- #393200
#393200
oklch(31.5% 0.066 100.8)
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 #2A2A5B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Prussian Blue #1D3557 ΔE 0.038
- Marine #042E60 ΔE 0.041
- Space Cadet #2B2D42 ΔE 0.048
- Marine Blue #01386A ΔE 0.054
- Gunmetal #293241 ΔE 0.058
- Oxford Blue #1B263B ΔE 0.064
- Dark Blue Grey #1F3B4D ΔE 0.065
- Midnight Blue #191970 ΔE 0.065
Use #2A2A5B 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.