#2A3052
Closest named color: Prussian Blue (#1D3557). oklch(32.1% 0.061 274.8), rgb(42, 48, 82).
Aa
White text reads best on this color (12.78:1).
About this color
#2A3052 is a dark, muted blue. In OKLCH its lightness is 32%, its chroma 0.061 and its hue 275°. Its hue sits on the cool side of the wheel. The nearest named color is Prussian Blue (#1D3557), ΔE 0.022 away. White text reads best on it, at 12.78:1.
| Hue family | Blues |
| Lightness | dark (32%) |
| Chroma | muted (0.061) |
| Temperature | cool |
| Nearest name | Prussian Blue (#1D3557) |
| Black text | 1.64:1 |
| White text | 12.78:1 |
Values
| HEX | #2A3052 |
| RGB | rgb(42, 48, 82) |
| HSL | hsl(231, 32%, 24%) |
| OKLCH | oklch(32.1% 0.061 274.8) |
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 #2A3052 | 12.78:1 | AAA | Lc -102.2 | Preferred for body text |
| Black text on #2A3052 | 1.64:1 | Fails | Lc 0.0 | Not readable |
| #2A3052 text on white | 12.78:1 | AAA | Lc 98.8 | Preferred for body text |
| #2A3052 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 950.
-
Step 50
50
#F3F5FC
oklch(97.1% 0.01 273.4)
-
Step 100
100
#E5E9F8
oklch(93.5% 0.021 274)
-
Step 200
200
#D1D8F4
oklch(88.6% 0.039 274.4)
-
Step 300
300
#B2BEF0
oklch(81% 0.072 274.2)
-
Step 400
400
#8B9AE8
oklch(70.6% 0.115 274.8)
-
Step 500
500
#707FE2
oklch(63% 0.149 274.8)
-
Step 600
600
#5A66CF
oklch(55.5% 0.161 275)
-
Step 700
700
#4A54B4
oklch(49% 0.151 274.9)
-
Step 800
800
#3D4691
oklch(42.8% 0.123 274.8)
-
Step 900
900
#333B74
oklch(37.6% 0.097 274.7)
-
Step 950
950 (this color)
#2A3052
oklch(32.1% 0.061 274.8)
#2A3052 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) | #243453 | 0.014 |
| Deuteranopia (no green cones) | #203151 | 0.015 |
| Tritanopia (no blue cones) | #1C373D | 0.054 |
| Achromatopsia (no color) | #323232 | 0.061 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2A3052
#2A3052
oklch(32.1% 0.061 274.8)
- #3D3206
#3D3206
oklch(32% 0.061 94.1)
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 #2A3052, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Prussian Blue #1D3557 ΔE 0.022
- Space Cadet #2B2D42 ΔE 0.028
- Gunmetal #293241 ΔE 0.034
- Dark Blue Grey #1F3B4D ΔE 0.040
- Marine #042E60 ΔE 0.048
- Midnight Green #073B4C ΔE 0.050
- Marine Blue #01386A ΔE 0.054
- Onyx #343A40 ΔE 0.055
Use #2A3052 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.