#2A385A
Closest named color: Prussian Blue (#1D3557). oklch(34.5% 0.063 266.2), rgb(42, 56, 90).
Aa
White text reads best on this color (11.59:1).
About this color
#2A385A is a dark, muted blue. In OKLCH its lightness is 35%, its chroma 0.063 and its hue 266°. Its hue sits on the cool side of the wheel. The nearest named color is Prussian Blue (#1D3557), ΔE 0.021 away. White text reads best on it, at 11.59:1.
| Hue family | Blues |
| Lightness | dark (35%) |
| Chroma | muted (0.063) |
| Temperature | cool |
| Nearest name | Prussian Blue (#1D3557) |
| Black text | 1.81:1 |
| White text | 11.59:1 |
Values
| HEX | #2A385A |
| RGB | rgb(42, 56, 90) |
| HSL | hsl(223, 36%, 26%) |
| OKLCH | oklch(34.5% 0.063 266.2) |
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 #2A385A | 11.59:1 | AAA | Lc -100.3 | Preferred for body text |
| Black text on #2A385A | 1.81:1 | Fails | Lc 0.0 | Not readable |
| #2A385A text on white | 11.59:1 | AAA | Lc 96.6 | Preferred for body text |
| #2A385A text on black | 1.81:1 | 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
#F3F5FA
oklch(97% 0.007 268.5)
-
Step 100
100
#E6EAF3
oklch(93.7% 0.013 266.7)
-
Step 200
200
#D1D9EB
oklch(88.5% 0.026 266.6)
-
Step 300
300
#B2C1E0
oklch(81% 0.047 264.9)
-
Step 400
400
#8BA0D0
oklch(70.7% 0.075 266.2)
-
Step 500
500
#6E88C4
oklch(63.1% 0.096 265.8)
-
Step 600
600
#5771B1
oklch(55.7% 0.105 266.3)
-
Step 700
700
#475E98
oklch(49.1% 0.097 266.5)
-
Step 800
800
#3A4D7B
oklch(42.7% 0.08 266.1)
-
Step 900
900 (this color)
#2A385A
oklch(34.5% 0.063 266.2)
-
Step 950
950
#1D263A
oklch(27% 0.04 265.3)
#2A385A 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) | #2B3B5B | 0.010 |
| Deuteranopia (no green cones) | #263759 | 0.007 |
| Tritanopia (no blue cones) | #153F44 | 0.057 |
| Achromatopsia (no color) | #393939 | 0.063 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2A385A
#2A385A
oklch(34.5% 0.063 266.2)
- #48370B
#48370B
oklch(34.7% 0.063 86.5)
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 #2A385A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Prussian Blue #1D3557 ΔE 0.021
- Dark Blue Grey #1F3B4D ΔE 0.031
- Marine Blue #01386A ΔE 0.044
- Dark Grey Blue #29465B ΔE 0.045
- Gunmetal #293241 ΔE 0.045
- Midnight Green #073B4C ΔE 0.045
- Space Cadet #2B2D42 ΔE 0.049
- Onyx #343A40 ΔE 0.050
Use #2A385A 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.