#2A3053
Closest named color: Prussian Blue (#1D3557). oklch(32.2% 0.063 274.9), rgb(42, 48, 83).
Aa
White text reads best on this color (12.75:1).
About this color
#2A3053 is a dark, muted blue. In OKLCH its lightness is 32%, its chroma 0.063 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 12.75:1.
| Hue family | Blues |
| Lightness | dark (32%) |
| Chroma | muted (0.063) |
| Temperature | cool |
| Nearest name | Prussian Blue (#1D3557) |
| Black text | 1.64:1 |
| White text | 12.75:1 |
Values
| HEX | #2A3053 |
| RGB | rgb(42, 48, 83) |
| HSL | hsl(231, 33%, 25%) |
| OKLCH | oklch(32.2% 0.063 274.9) |
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 #2A3053 | 12.75:1 | AAA | Lc -102.1 | Preferred for body text |
| Black text on #2A3053 | 1.64:1 | Fails | Lc 0.0 | Not readable |
| #2A3053 text on white | 12.75:1 | AAA | Lc 98.8 | Preferred for body text |
| #2A3053 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
#E5E9F9
oklch(93.6% 0.022 274.7)
-
Step 200
200
#D1D8F5
oklch(88.6% 0.041 274.8)
-
Step 300
300
#B2BDF1
oklch(80.8% 0.075 275.3)
-
Step 400
400
#8B9AEA
oklch(70.7% 0.118 274.9)
-
Step 500
500
#707FE4
oklch(63.2% 0.152 274.9)
-
Step 600
600
#5A66D2
oklch(55.7% 0.165 275)
-
Step 700
700
#4A54B6
oklch(49.2% 0.153 274.9)
-
Step 800
800
#3C4593
oklch(42.6% 0.127 274.7)
-
Step 900
900
#333B75
oklch(37.7% 0.099 274.8)
-
Step 950
950 (this color)
#2A3053
oklch(32.2% 0.063 274.9)
#2A3053 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) | #233454 | 0.015 |
| Deuteranopia (no green cones) | #203152 | 0.015 |
| Tritanopia (no blue cones) | #1C373D | 0.055 |
| Achromatopsia (no color) | #323232 | 0.063 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2A3053
#2A3053
oklch(32.2% 0.063 274.9)
- #3D3204
#3D3204
oklch(32% 0.062 94.6)
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 #2A3053, 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 0.030
- Gunmetal #293241 ΔE 0.035
- Dark Blue Grey #1F3B4D ΔE 0.041
- Marine #042E60 ΔE 0.047
- Midnight Green #073B4C ΔE 0.051
- Marine Blue #01386A ΔE 0.053
- Onyx #343A40 ΔE 0.056
Use #2A3053 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.