#2B2865
Closest named color: Marine (#042E60). oklch(31.8% 0.104 280.9), rgb(43, 40, 101).
Aa
White text reads best on this color (13.17:1).
About this color
#2B2865 is a dark, moderately saturated purple. In OKLCH its lightness is 32%, its chroma 0.104 and its hue 281°. Its hue sits on the cool side of the wheel. The nearest named color is Marine (#042E60), ΔE 0.045 away. White text reads best on it, at 13.17:1.
| Hue family | Purples |
| Lightness | dark (32%) |
| Chroma | moderately saturated (0.104) |
| Temperature | cool |
| Nearest name | Marine (#042E60) |
| Black text | 1.59:1 |
| White text | 13.17:1 |
Values
| HEX | #2B2865 |
| RGB | rgb(43, 40, 101) |
| HSL | hsl(243, 43%, 28%) |
| OKLCH | oklch(31.8% 0.104 280.9) |
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 #2B2865 | 13.17:1 | AAA | Lc -102.5 | Preferred for body text |
| Black text on #2B2865 | 1.59:1 | Fails | Lc 0.0 | Not readable |
| #2B2865 text on white | 13.17:1 | AAA | Lc 99.2 | Preferred for body text |
| #2B2865 text on black | 1.59:1 | 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
#F3F5FF
oklch(97.2% 0.013 277.1)
-
Step 100
100
#E6E8FF
oklch(93.6% 0.031 281.8)
-
Step 200
200
#D2D6FF
oklch(88.6% 0.057 280.8)
-
Step 300
300
#B5BAFF
oklch(81% 0.097 280.8)
-
Step 400
400
#9192FF
oklch(70.7% 0.157 281.2)
-
Step 500
500
#7872FF
oklch(63.1% 0.203 280.8)
-
Step 600
600
#644BFF
oklch(55.6% 0.251 280.7)
-
Step 700
700
#552FE9
oklch(49.1% 0.254 280.9)
-
Step 800
800
#452BBC
oklch(42.7% 0.21 281)
-
Step 900
900
#382B94
oklch(37.7% 0.164 280.7)
-
Step 950
950 (this color)
#2B2865
oklch(31.8% 0.104 280.9)
#2B2865 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) | #003267 | 0.047 |
| Deuteranopia (no green cones) | #002E64 | 0.046 |
| Tritanopia (no blue cones) | #113642 | 0.089 |
| Achromatopsia (no color) | #303030 | 0.104 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2B2865
#2B2865
oklch(31.8% 0.104 280.9)
- #3A3300
#3A3300
oklch(31.9% 0.066 101)
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 #2B2865, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Marine #042E60 ΔE 0.045
- Prussian Blue #1D3557 ΔE 0.051
- Midnight Blue #191970 ΔE 0.053
- Marine Blue #01386A ΔE 0.055
- Space Cadet #2B2D42 ΔE 0.067
- Gunmetal #293241 ΔE 0.077
- Dark Blue Grey #1F3B4D ΔE 0.079
- Twilight Blue #0A437A ΔE 0.081
Use #2B2865 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.