#2A2D65
Closest named color: Prussian Blue (#1D3557). oklch(32.8% 0.097 277.3), rgb(42, 45, 101).
Aa
White text reads best on this color (12.63:1).
About this color
#2A2D65 is a dark, moderately saturated blue. In OKLCH its lightness is 33%, its chroma 0.097 and its hue 277°. Its hue sits on the cool side of the wheel. The nearest named color is Prussian Blue (#1D3557), ΔE 0.040 away. White text reads best on it, at 12.63:1.
| Hue family | Blues |
| Lightness | dark (33%) |
| Chroma | moderately saturated (0.097) |
| Temperature | cool |
| Nearest name | Prussian Blue (#1D3557) |
| Black text | 1.66:1 |
| White text | 12.63:1 |
Values
| HEX | #2A2D65 |
| RGB | rgb(42, 45, 101) |
| HSL | hsl(237, 41%, 28%) |
| OKLCH | oklch(32.8% 0.097 277.3) |
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 #2A2D65 | 12.63:1 | AAA | Lc -101.8 | Preferred for body text |
| Black text on #2A2D65 | 1.66:1 | Fails | Lc 0.0 | Not readable |
| #2A2D65 text on white | 12.63:1 | AAA | Lc 98.4 | Preferred for body text |
| #2A2D65 text on black | 1.66:1 | 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
#E6E9F8
oklch(93.6% 0.02 276.9)
-
Step 200
200
#D2D7F4
oklch(88.4% 0.04 277.8)
-
Step 300
300
#B4BDF0
oklch(80.9% 0.073 276.8)
-
Step 400
400
#8F99E8
oklch(70.7% 0.116 277.5)
-
Step 500
500
#757EE1
oklch(63.1% 0.148 277.4)
-
Step 600
600
#5F65CF
oklch(55.6% 0.161 277.4)
-
Step 700
700
#4E53B3
oklch(49% 0.15 277.1)
-
Step 800
800
#404491
oklch(42.6% 0.125 277.5)
-
Step 900
900 (this color)
#2A2D65
oklch(32.8% 0.097 277.3)
-
Step 950
950
#1F2344
oklch(27.1% 0.061 276.3)
#2A2D65 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) | #0E3567 | 0.035 |
| Deuteranopia (no green cones) | #053164 | 0.038 |
| Tritanopia (no blue cones) | #0C3A44 | 0.085 |
| Achromatopsia (no color) | #333333 | 0.097 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2A2D65
#2A2D65
oklch(32.8% 0.097 277.3)
- #3E3400
#3E3400
oklch(32.6% 0.067 97.3)
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 #2A2D65, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Prussian Blue #1D3557 ΔE 0.040
- Marine #042E60 ΔE 0.042
- Marine Blue #01386A ΔE 0.045
- Midnight Blue #191970 ΔE 0.062
- Space Cadet #2B2D42 ΔE 0.063
- Dark Blue Grey #1F3B4D ΔE 0.068
- Twilight Blue #0A437A ΔE 0.070
- Gunmetal #293241 ΔE 0.070
Use #2A2D65 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.