#2B2558
Closest named color: Marine (#042E60). oklch(30.1% 0.089 285.1), rgb(43, 37, 88).
Aa
White text reads best on this color (13.92:1).
About this color
#2B2558 is a dark, moderately saturated purple. In OKLCH its lightness is 30%, its chroma 0.089 and its hue 285°. Its hue sits on the cool side of the wheel. The nearest named color is Marine (#042E60), ΔE 0.048 away. White text reads best on it, at 13.92:1.
| Hue family | Purples |
| Lightness | dark (30%) |
| Chroma | moderately saturated (0.089) |
| Temperature | cool |
| Nearest name | Marine (#042E60) |
| Black text | 1.50:1 |
| White text | 13.92:1 |
Values
| HEX | #2B2558 |
| RGB | rgb(43, 37, 88) |
| HSL | hsl(247, 41%, 25%) |
| OKLCH | oklch(30.1% 0.089 285.1) |
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 #2B2558 | 13.92:1 | AAA | Lc -103.4 | Preferred for body text |
| Black text on #2B2558 | 1.50:1 | Fails | Lc 0.0 | Not readable |
| #2B2558 text on white | 13.92:1 | AAA | Lc 100.4 | Preferred for body text |
| #2B2558 text on black | 1.50:1 | 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
#F4F4FF
oklch(97% 0.015 286.1)
-
Step 100
100
#E7E8FE
oklch(93.7% 0.03 283.7)
-
Step 200
200
#D4D4FF
oklch(88.4% 0.059 285.1)
-
Step 300
300
#BAB8FF
oklch(81% 0.1 285.2)
-
Step 400
400
#988FFF
oklch(70.7% 0.16 285.2)
-
Step 500
500
#826EFF
oklch(63.2% 0.207 285.1)
-
Step 600
600
#6E4DF2
oklch(55.6% 0.233 285.1)
-
Step 700
700
#5D3CD3
oklch(49.1% 0.217 285.2)
-
Step 800
800
#4B33AB
oklch(42.7% 0.181 285)
-
Step 900
900
#3E2F87
oklch(37.7% 0.14 285.3)
-
Step 950
950 (this color)
#2B2558
oklch(30.1% 0.089 285.1)
#2B2558 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) | #0A2E5A | 0.045 |
| Deuteranopia (no green cones) | #082B57 | 0.045 |
| Tritanopia (no blue cones) | #1C303A | 0.075 |
| Achromatopsia (no color) | #2C2C2C | 0.089 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2B2558
#2B2558
oklch(30.1% 0.089 285.1)
- #333000
#333000
oklch(30.3% 0.064 105.9)
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 #2B2558, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Marine #042E60 ΔE 0.048
- Prussian Blue #1D3557 ΔE 0.050
- Space Cadet #2B2D42 ΔE 0.051
- Oxford Blue #1B263B ΔE 0.061
- Midnight Blue #191970 ΔE 0.062
- Gunmetal #293241 ΔE 0.064
- Marine Blue #01386A ΔE 0.067
- Dark Indigo #1F0954 ΔE 0.071
Use #2B2558 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.