#321F51
Closest named color: Space Cadet (#2B2D42). oklch(29.2% 0.088 298.3), rgb(50, 31, 81).
Aa
White text reads best on this color (14.47:1).
About this color
#321F51 is a dark, moderately saturated purple. In OKLCH its lightness is 29%, its chroma 0.088 and its hue 298°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.055 away. White text reads best on it, at 14.47:1.
| Hue family | Purples |
| Lightness | dark (29%) |
| Chroma | moderately saturated (0.088) |
| Temperature | in between |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.45:1 |
| White text | 14.47:1 |
Values
| HEX | #321F51 |
| RGB | rgb(50, 31, 81) |
| HSL | hsl(263, 45%, 22%) |
| OKLCH | oklch(29.2% 0.088 298.3) |
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 #321F51 | 14.47:1 | AAA | Lc -104.0 | Preferred for body text |
| Black text on #321F51 | 1.45:1 | Fails | Lc 0.0 | Not readable |
| #321F51 text on white | 14.47:1 | AAA | Lc 101.0 | Preferred for body text |
| #321F51 text on black | 1.45:1 | 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
#F6F4FE
oklch(97.2% 0.013 295.3)
-
Step 100
100
#ECE6FC
oklch(93.6% 0.03 298.3)
-
Step 200
200
#DDD1FB
oklch(88.4% 0.059 298.3)
-
Step 300
300
#C9B2FC
oklch(80.9% 0.105 298.3)
-
Step 400
400
#AF86FA
oklch(70.8% 0.168 298.3)
-
Step 500
500
#9D62F7
oklch(63.2% 0.214 298.3)
-
Step 600
600
#8941E5
oklch(55.6% 0.232 298.5)
-
Step 700
700
#7431C7
oklch(49.1% 0.215 298.2)
-
Step 800
800
#5E2BA1
oklch(42.7% 0.178 298.1)
-
Step 900
900
#4D2980
oklch(37.7% 0.14 298.4)
-
Step 950
950 (this color)
#321F51
oklch(29.2% 0.088 298.3)
#321F51 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) | #082953 | 0.062 |
| Deuteranopia (no green cones) | #0F2950 | 0.058 |
| Tritanopia (no blue cones) | #2B2934 | 0.068 |
| Achromatopsia (no color) | #292929 | 0.089 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #321F51
#321F51
oklch(29.2% 0.088 298.3)
- #293000
#293000
oklch(29.2% 0.068 118.1)
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 #321F51, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.055
- Dark Purple #35063E ΔE 0.062
- Oxford Blue #1B263B ΔE 0.063
- Eggplant Purple #430541 ΔE 0.064
- Deep Violet #490648 ΔE 0.065
- Dark Indigo #1F0954 ΔE 0.066
- Deep Purple #36013F ΔE 0.068
- Prussian Blue #1D3557 ΔE 0.068
Use #321F51 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.