#2B2451
Closest named color: Space Cadet (#2B2D42). oklch(29.4% 0.079 287.6), rgb(43, 36, 81).
Aa
White text reads best on this color (14.24:1).
About this color
#2B2451 is a dark, moderately saturated purple. In OKLCH its lightness is 29%, its chroma 0.079 and its hue 288°. 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 14.24:1.
| Hue family | Purples |
| Lightness | dark (29%) |
| Chroma | moderately saturated (0.079) |
| Temperature | cool |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.47:1 |
| White text | 14.24:1 |
Values
| HEX | #2B2451 |
| RGB | rgb(43, 36, 81) |
| HSL | hsl(249, 38%, 23%) |
| OKLCH | oklch(29.4% 0.079 287.6) |
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 #2B2451 | 14.24:1 | AAA | Lc -103.8 | Preferred for body text |
| Black text on #2B2451 | 1.47:1 | Fails | Lc 0.0 | Not readable |
| #2B2451 text on white | 14.24:1 | AAA | Lc 100.8 | Preferred for body text |
| #2B2451 text on black | 1.47:1 | 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
#D6D4FB
oklch(88.4% 0.053 287.6)
-
Step 300
300
#BDB8FA
oklch(81% 0.093 287.6)
-
Step 400
400
#9C8FF8
oklch(70.6% 0.151 287.6)
-
Step 500
500
#876FF5
oklch(63.1% 0.193 287.8)
-
Step 600
600
#7253E3
oklch(55.5% 0.208 287.5)
-
Step 700
700
#6042C6
oklch(49.1% 0.194 287.4)
-
Step 800
800
#4E38A0
oklch(42.8% 0.16 287.3)
-
Step 900
900
#40327F
oklch(37.7% 0.125 287.2)
-
Step 950
950 (this color)
#2B2451
oklch(29.4% 0.079 287.6)
#2B2451 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) | #112C53 | 0.040 |
| Deuteranopia (no green cones) | #102950 | 0.040 |
| Tritanopia (no blue cones) | #202D36 | 0.066 |
| Achromatopsia (no color) | #2B2B2B | 0.079 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2B2451
#2B2451
oklch(29.4% 0.079 287.6)
- #302E00
#302E00
oklch(29.4% 0.063 107.1)
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 #2B2451, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.043
- Oxford Blue #1B263B ΔE 0.051
- Prussian Blue #1D3557 ΔE 0.052
- Marine #042E60 ΔE 0.054
- Gunmetal #293241 ΔE 0.059
- Dark #1B2431 ΔE 0.067
- Dark Indigo #1F0954 ΔE 0.070
- Midnight Blue #191970 ΔE 0.070
Use #2B2451 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.