#2B1F50
Closest named color: Space Cadet (#2B2D42). oklch(28.3% 0.086 291.2), rgb(43, 31, 80).
Aa
White text reads best on this color (14.84:1).
About this color
#2B1F50 is a dark, moderately saturated purple. In OKLCH its lightness is 28%, its chroma 0.086 and its hue 291°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.054 away. White text reads best on it, at 14.84:1.
| Hue family | Purples |
| Lightness | dark (28%) |
| Chroma | moderately saturated (0.086) |
| Temperature | in between |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.41:1 |
| White text | 14.84:1 |
Values
| HEX | #2B1F50 |
| RGB | rgb(43, 31, 80) |
| HSL | hsl(255, 44%, 22%) |
| OKLCH | oklch(28.3% 0.086 291.2) |
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 #2B1F50 | 14.84:1 | AAA | Lc -104.4 | Preferred for body text |
| Black text on #2B1F50 | 1.41:1 | Fails | Lc 0.0 | Not readable |
| #2B1F50 text on white | 14.84:1 | AAA | Lc 101.5 | Preferred for body text |
| #2B1F50 text on black | 1.41:1 | 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
#E9E7FD
oklch(93.6% 0.03 290)
-
Step 200
200
#D9D3FD
oklch(88.5% 0.058 291.7)
-
Step 300
300
#C1B5FE
oklch(80.9% 0.102 291.5)
-
Step 400
400
#A38BFD
oklch(70.7% 0.163 291.3)
-
Step 500
500
#8E69FB
oklch(63.1% 0.208 290.9)
-
Step 600
600
#7B4AEA
oklch(55.7% 0.227 291.3)
-
Step 700
700
#6839CC
oklch(49.1% 0.212 291.2)
-
Step 800
800
#5431A5
oklch(42.7% 0.175 290.9)
-
Step 900
900
#452D82
oklch(37.6% 0.136 291.5)
-
Step 950
950 (this color)
#2B1F50
oklch(28.3% 0.086 291.2)
#2B1F50 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) | #052852 | 0.052 |
| Deuteranopia (no green cones) | #08264F | 0.050 |
| Tritanopia (no blue cones) | #212A34 | 0.070 |
| Achromatopsia (no color) | #272727 | 0.087 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2B1F50
#2B1F50
oklch(28.3% 0.086 291.2)
- #2B2C00
#2B2C00
oklch(28.3% 0.062 111.1)
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 #2B1F50, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.054
- Oxford Blue #1B263B ΔE 0.055
- Dark Indigo #1F0954 ΔE 0.057
- Marine #042E60 ΔE 0.062
- Dark Purple #35063E ΔE 0.064
- Prussian Blue #1D3557 ΔE 0.066
- Midnight Blue #191970 ΔE 0.068
- Dark #1B2431 ΔE 0.069
Use #2B1F50 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.