#2A285A
Closest named color: Prussian Blue (#1D3557). oklch(30.8% 0.087 281.8), rgb(42, 40, 90).
Aa
White text reads best on this color (13.55:1).
About this color
#2A285A is a dark, moderately saturated purple. In OKLCH its lightness is 31%, its chroma 0.087 and its hue 282°. Its hue sits on the cool side of the wheel. The nearest named color is Prussian Blue (#1D3557), ΔE 0.043 away. White text reads best on it, at 13.55:1.
| Hue family | Purples |
| Lightness | dark (31%) |
| Chroma | moderately saturated (0.087) |
| Temperature | cool |
| Nearest name | Prussian Blue (#1D3557) |
| Black text | 1.54:1 |
| White text | 13.55:1 |
Values
| HEX | #2A285A |
| RGB | rgb(42, 40, 90) |
| HSL | hsl(242, 38%, 25%) |
| OKLCH | oklch(30.8% 0.087 281.8) |
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 #2A285A | 13.55:1 | AAA | Lc -103.0 | Preferred for body text |
| Black text on #2A285A | 1.54:1 | Fails | Lc 0.0 | Not readable |
| #2A285A text on white | 13.55:1 | AAA | Lc 99.9 | Preferred for body text |
| #2A285A text on black | 1.54:1 | 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
#F4F5FF
oklch(97.2% 0.013 281.6)
-
Step 100
100
#E6E8FE
oklch(93.6% 0.03 281.7)
-
Step 200
200
#D2D5FF
oklch(88.4% 0.058 281.9)
-
Step 300
300
#B6B9FF
oklch(80.9% 0.099 282.1)
-
Step 400
400
#9292FF
oklch(70.8% 0.157 281.6)
-
Step 500
500
#7A71FF
oklch(63.1% 0.204 281.7)
-
Step 600
600
#6652F2
oklch(55.6% 0.228 281.7)
-
Step 700
700
#5640D3
oklch(49.1% 0.213 281.9)
-
Step 800
800
#4637AA
oklch(42.8% 0.175 281.9)
-
Step 900
900
#393187
oklch(37.6% 0.138 281.6)
-
Step 950
950 (this color)
#2A285A
oklch(30.8% 0.087 281.8)
#2A285A 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) | #0F305C | 0.038 |
| Deuteranopia (no green cones) | #0B2C59 | 0.039 |
| Tritanopia (no blue cones) | #18333C | 0.076 |
| Achromatopsia (no color) | #2E2E2E | 0.087 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2A285A
#2A285A
oklch(30.8% 0.087 281.8)
- #373100
#373100
oklch(31% 0.065 102)
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 #2A285A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Prussian Blue #1D3557 ΔE 0.043
- Marine #042E60 ΔE 0.043
- Space Cadet #2B2D42 ΔE 0.049
- Marine Blue #01386A ΔE 0.059
- Gunmetal #293241 ΔE 0.061
- Midnight Blue #191970 ΔE 0.063
- Oxford Blue #1B263B ΔE 0.063
- Dark Blue Grey #1F3B4D ΔE 0.069
Use #2A285A 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.