#2A3062
Closest named color: Prussian Blue (#1D3557). oklch(33.2% 0.087 275.4), rgb(42, 48, 98).
Aa
White text reads best on this color (12.37:1).
About this color
#2A3062 is a dark, moderately saturated blue. In OKLCH its lightness is 33%, its chroma 0.087 and its hue 275°. Its hue sits on the cool side of the wheel. The nearest named color is Prussian Blue (#1D3557), ΔE 0.032 away. White text reads best on it, at 12.37:1.
| Hue family | Blues |
| Lightness | dark (33%) |
| Chroma | moderately saturated (0.087) |
| Temperature | cool |
| Nearest name | Prussian Blue (#1D3557) |
| Black text | 1.69:1 |
| White text | 12.37:1 |
Values
| HEX | #2A3062 |
| RGB | rgb(42, 48, 98) |
| HSL | hsl(234, 40%, 27%) |
| OKLCH | oklch(33.2% 0.087 275.4) |
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 #2A3062 | 12.37:1 | AAA | Lc -101.5 | Preferred for body text |
| Black text on #2A3062 | 1.69:1 | Fails | Lc 0.0 | Not readable |
| #2A3062 text on white | 12.37:1 | AAA | Lc 98.0 | Preferred for body text |
| #2A3062 text on black | 1.69:1 | 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
#D2D8F2
oklch(88.6% 0.036 275.3)
-
Step 300
300
#B4BEEC
oklch(80.9% 0.066 275.3)
-
Step 400
400
#8E9BE2
oklch(70.7% 0.105 275.4)
-
Step 500
500
#7381DA
oklch(63.2% 0.134 275.1)
-
Step 600
600
#5D68C7
oklch(55.6% 0.146 275.6)
-
Step 700
700
#4D56AC
oklch(49.1% 0.136 275.7)
-
Step 800
800
#3F478B
oklch(42.7% 0.112 275.6)
-
Step 900
900 (this color)
#2A3062
oklch(33.2% 0.087 275.4)
-
Step 950
950
#1F2441
oklch(27.1% 0.054 274.8)
#2A3062 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) | #193764 | 0.027 |
| Deuteranopia (no green cones) | #123261 | 0.029 |
| Tritanopia (no blue cones) | #0F3B44 | 0.077 |
| Achromatopsia (no color) | #343434 | 0.088 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2A3062
#2A3062
oklch(33.2% 0.087 275.4)
- #413500
#413500
oklch(33.2% 0.068 95)
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 #2A3062, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Prussian Blue #1D3557 ΔE 0.032
- Marine Blue #01386A ΔE 0.041
- Marine #042E60 ΔE 0.042
- Space Cadet #2B2D42 ΔE 0.057
- Dark Blue Grey #1F3B4D ΔE 0.058
- Gunmetal #293241 ΔE 0.061
- Twilight Blue #0A437A ΔE 0.066
- Midnight Green #073B4C ΔE 0.067
Use #2A3062 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.