#2A2D60
Closest named color: Prussian Blue (#1D3557). oklch(32.4% 0.089 277.7), rgb(42, 45, 96).
Aa
White text reads best on this color (12.78:1).
About this color
#2A2D60 is a dark, moderately saturated blue. In OKLCH its lightness is 32%, its chroma 0.089 and its hue 278°. Its hue sits on the cool side of the wheel. The nearest named color is Prussian Blue (#1D3557), ΔE 0.035 away. White text reads best on it, at 12.78:1.
| Hue family | Blues |
| Lightness | dark (32%) |
| Chroma | moderately saturated (0.089) |
| Temperature | cool |
| Nearest name | Prussian Blue (#1D3557) |
| Black text | 1.64:1 |
| White text | 12.78:1 |
Values
| HEX | #2A2D60 |
| RGB | rgb(42, 45, 96) |
| HSL | hsl(237, 39%, 27%) |
| OKLCH | oklch(32.4% 0.089 277.7) |
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 #2A2D60 | 12.78:1 | AAA | Lc -102.1 | Preferred for body text |
| Black text on #2A2D60 | 1.64:1 | Fails | Lc 0.0 | Not readable |
| #2A2D60 text on white | 12.78:1 | AAA | Lc 98.7 | Preferred for body text |
| #2A2D60 text on black | 1.64:1 | 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
#F4F5FC
oklch(97.1% 0.009 279.7)
-
Step 100
100
#E6E9F7
oklch(93.6% 0.019 276.3)
-
Step 200
200
#D3D7F2
oklch(88.4% 0.037 278.9)
-
Step 300
300
#B6BDEC
oklch(80.9% 0.067 278.2)
-
Step 400
400
#919AE3
oklch(70.8% 0.107 277.9)
-
Step 500
500
#777FDA
oklch(63.1% 0.136 277.9)
-
Step 600
600
#6167C8
oklch(55.7% 0.148 277.8)
-
Step 700
700
#5055AD
oklch(49.1% 0.138 277.6)
-
Step 800
800
#41468C
oklch(42.7% 0.114 277.3)
-
Step 900
900 (this color)
#2A2D60
oklch(32.4% 0.089 277.7)
-
Step 950
950
#202341
oklch(27% 0.056 277.7)
#2A2D60 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) | #143462 | 0.031 |
| Deuteranopia (no green cones) | #0E305F | 0.033 |
| Tritanopia (no blue cones) | #123842 | 0.077 |
| Achromatopsia (no color) | #323232 | 0.089 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2A2D60
#2A2D60
oklch(32.4% 0.089 277.7)
- #3D3400
#3D3400
oklch(32.5% 0.067 98.6)
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 #2A2D60, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Prussian Blue #1D3557 ΔE 0.035
- Marine #042E60 ΔE 0.040
- Marine Blue #01386A ΔE 0.046
- Space Cadet #2B2D42 ΔE 0.054
- Gunmetal #293241 ΔE 0.062
- Dark Blue Grey #1F3B4D ΔE 0.062
- Midnight Blue #191970 ΔE 0.066
- Midnight Green #073B4C ΔE 0.070
Use #2A2D60 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.