#2B2755
Closest named color: Space Cadet (#2B2D42). oklch(30.3% 0.081 284.5), rgb(43, 39, 85).
Aa
White text reads best on this color (13.77:1).
About this color
#2B2755 is a dark, moderately saturated purple. In OKLCH its lightness is 30%, its chroma 0.081 and its hue 284°. Its hue sits on the cool side of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.043 away. White text reads best on it, at 13.77:1.
| Hue family | Purples |
| Lightness | dark (30%) |
| Chroma | moderately saturated (0.081) |
| Temperature | cool |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.52:1 |
| White text | 13.77:1 |
Values
| HEX | #2B2755 |
| RGB | rgb(43, 39, 85) |
| HSL | hsl(245, 37%, 24%) |
| OKLCH | oklch(30.3% 0.081 284.5) |
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 #2B2755 | 13.77:1 | AAA | Lc -103.3 | Preferred for body text |
| Black text on #2B2755 | 1.52:1 | Fails | Lc 0.0 | Not readable |
| #2B2755 text on white | 13.77:1 | AAA | Lc 100.2 | Preferred for body text |
| #2B2755 text on black | 1.52:1 | 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
#E7E8FC
oklch(93.6% 0.027 283.6)
-
Step 200
200
#D4D5FC
oklch(88.5% 0.053 284.1)
-
Step 300
300
#B9B9FC
oklch(81% 0.094 284.1)
-
Step 400
400
#9791FB
oklch(70.7% 0.152 284.4)
-
Step 500
500
#8071F9
oklch(63.1% 0.196 284.3)
-
Step 600
600
#6C54E7
oklch(55.5% 0.212 284.6)
-
Step 700
700
#5B43C9
oklch(49.1% 0.197 284.7)
-
Step 800
800
#4A39A3
oklch(42.8% 0.163 284.5)
-
Step 900
900
#3D3281
oklch(37.6% 0.128 284.8)
-
Step 950
950 (this color)
#2B2755
oklch(30.3% 0.081 284.5)
#2B2755 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) | #132E57 | 0.036 |
| Deuteranopia (no green cones) | #112C54 | 0.037 |
| Tritanopia (no blue cones) | #1D313A | 0.069 |
| Achromatopsia (no color) | #2D2D2D | 0.081 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2B2755
#2B2755
oklch(30.3% 0.081 284.5)
- #343000
#343000
oklch(30.4% 0.064 104.6)
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 #2B2755, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.043
- Prussian Blue #1D3557 ΔE 0.044
- Marine #042E60 ΔE 0.048
- Oxford Blue #1B263B ΔE 0.056
- Gunmetal #293241 ΔE 0.056
- Marine Blue #01386A ΔE 0.065
- Midnight Blue #191970 ΔE 0.068
- Dark Blue Grey #1F3B4D ΔE 0.069
Use #2B2755 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.