#2D2858
Closest named color: Prussian Blue (#1D3557). oklch(31% 0.084 285.2), rgb(45, 40, 88).
Aa
White text reads best on this color (13.49:1).
About this color
#2D2858 is a dark, moderately saturated purple. In OKLCH its lightness is 31%, its chroma 0.084 and its hue 285°. 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 13.49:1.
| Hue family | Purples |
| Lightness | dark (31%) |
| Chroma | moderately saturated (0.084) |
| Temperature | cool |
| Nearest name | Prussian Blue (#1D3557) |
| Black text | 1.55:1 |
| White text | 13.49:1 |
Values
| HEX | #2D2858 |
| RGB | rgb(45, 40, 88) |
| HSL | hsl(246, 38%, 25%) |
| OKLCH | oklch(31% 0.084 285.2) |
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 #2D2858 | 13.49:1 | AAA | Lc -103.0 | Preferred for body text |
| Black text on #2D2858 | 1.55:1 | Fails | Lc 0.0 | Not readable |
| #2D2858 text on white | 13.49:1 | AAA | Lc 99.8 | Preferred for body text |
| #2D2858 text on black | 1.55:1 | 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
#F4F4FE
oklch(97% 0.013 286.1)
-
Step 100
100
#E7E8FD
oklch(93.7% 0.028 283.7)
-
Step 200
200
#D5D5FD
oklch(88.6% 0.055 285.2)
-
Step 300
300
#BAB8FE
oklch(80.9% 0.098 285.3)
-
Step 400
400
#988FFE
oklch(70.6% 0.159 285.3)
-
Step 500
500
#826FFC
oklch(63.1% 0.202 285.2)
-
Step 600
600
#6E52EB
oklch(55.7% 0.219 285.2)
-
Step 700
700
#5C40CD
oklch(49% 0.205 285)
-
Step 800
800
#4B37A5
oklch(42.8% 0.168 285.1)
-
Step 900
900
#3E3183
oklch(37.7% 0.132 285.4)
-
Step 950
950 (this color)
#2D2858
oklch(31% 0.084 285.2)
#2D2858 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) | #13305A | 0.039 |
| Deuteranopia (no green cones) | #112D57 | 0.039 |
| Tritanopia (no blue cones) | #1F323B | 0.071 |
| Achromatopsia (no color) | #2E2E2E | 0.084 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2D2858
#2D2858
oklch(31% 0.084 285.2)
- #353200
#353200
oklch(31% 0.066 106)
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 #2D2858, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Prussian Blue #1D3557 ΔE 0.043
- Space Cadet #2B2D42 ΔE 0.046
- Marine #042E60 ΔE 0.048
- Gunmetal #293241 ΔE 0.058
- Oxford Blue #1B263B ΔE 0.062
- Marine Blue #01386A ΔE 0.063
- Midnight Blue #191970 ΔE 0.068
- Dark Blue Grey #1F3B4D ΔE 0.068
Use #2D2858 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.