#2F2857
Closest named color: Prussian Blue (#1D3557). oklch(31.1% 0.082 287.5), rgb(47, 40, 87).
Aa
White text reads best on this color (13.44:1).
About this color
#2F2857 is a dark, moderately saturated purple. In OKLCH its lightness is 31%, its chroma 0.082 and its hue 287°. Its hue sits on the cool side of the wheel. The nearest named color is Prussian Blue (#1D3557), ΔE 0.045 away. White text reads best on it, at 13.44:1.
| Hue family | Purples |
| Lightness | dark (31%) |
| Chroma | moderately saturated (0.082) |
| Temperature | cool |
| Nearest name | Prussian Blue (#1D3557) |
| Black text | 1.56:1 |
| White text | 13.44:1 |
Values
| HEX | #2F2857 |
| RGB | rgb(47, 40, 87) |
| HSL | hsl(249, 37%, 25%) |
| OKLCH | oklch(31.1% 0.082 287.5) |
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 #2F2857 | 13.44:1 | AAA | Lc -102.9 | Preferred for body text |
| Black text on #2F2857 | 1.56:1 | Fails | Lc 0.0 | Not readable |
| #2F2857 text on white | 13.44:1 | AAA | Lc 99.8 | Preferred for body text |
| #2F2857 text on black | 1.56:1 | 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
#F5F4FE
oklch(97.1% 0.013 290.8)
-
Step 100
100
#E8E7FC
oklch(93.5% 0.028 288)
-
Step 200
200
#D6D4FC
oklch(88.4% 0.055 287.5)
-
Step 300
300
#BCB7FC
oklch(80.8% 0.097 287.3)
-
Step 400
400
#9C8FFB
oklch(70.7% 0.155 287.3)
-
Step 500
500
#876EF8
oklch(63.1% 0.198 287.7)
-
Step 600
600
#7251E7
oklch(55.6% 0.215 287.3)
-
Step 700
700
#6040C9
oklch(49.1% 0.2 287.3)
-
Step 800
800
#4E36A2
oklch(42.6% 0.165 287.4)
-
Step 900
900
#403181
oklch(37.7% 0.129 287.1)
-
Step 950
950 (this color)
#2F2857
oklch(31.1% 0.082 287.5)
#2F2857 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) | #143059 | 0.041 |
| Deuteranopia (no green cones) | #142D56 | 0.040 |
| Tritanopia (no blue cones) | #23323B | 0.069 |
| Achromatopsia (no color) | #2F2F2F | 0.082 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2F2857
#2F2857
oklch(31.1% 0.082 287.5)
- #343200
#343200
oklch(30.9% 0.066 107.3)
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 #2F2857, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Prussian Blue #1D3557 ΔE 0.045
- Space Cadet #2B2D42 ΔE 0.045
- Marine #042E60 ΔE 0.052
- Gunmetal #293241 ΔE 0.057
- Oxford Blue #1B263B ΔE 0.063
- Marine Blue #01386A ΔE 0.065
- Dark Blue Grey #1F3B4D ΔE 0.068
- Midnight Blue #191970 ΔE 0.072
Use #2F2857 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.