#331E43
Closest named color: Space Cadet (#2B2D42). oklch(28.1% 0.07 308.8), rgb(51, 30, 67).
Aa
White text reads best on this color (14.91:1).
About this color
#331E43 is a dark, moderately saturated purple. In OKLCH its lightness is 28%, its chroma 0.070 and its hue 309°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.048 away. White text reads best on it, at 14.91:1.
| Hue family | Purples |
| Lightness | dark (28%) |
| Chroma | moderately saturated (0.070) |
| Temperature | in between |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.40:1 |
| White text | 14.91:1 |
Values
| HEX | #331E43 |
| RGB | rgb(51, 30, 67) |
| HSL | hsl(274, 38%, 19%) |
| OKLCH | oklch(28.1% 0.07 308.8) |
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 #331E43 | 14.91:1 | AAA | Lc -104.5 | Preferred for body text |
| Black text on #331E43 | 1.40:1 | Fails | Lc 0.0 | Not readable |
| #331E43 text on white | 14.91:1 | AAA | Lc 101.6 | Preferred for body text |
| #331E43 text on black | 1.40:1 | 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
#F7F4FB
oklch(97.1% 0.01 305.4)
-
Step 100
100
#EEE6F6
oklch(93.6% 0.023 308.2)
-
Step 200
200
#E2D1F1
oklch(88.4% 0.047 309.2)
-
Step 300
300
#D0B2EA
oklch(80.8% 0.084 308.9)
-
Step 400
400
#B888DF
oklch(70.6% 0.133 308.7)
-
Step 500
500
#A768D6
oklch(63.1% 0.169 308.8)
-
Step 600
600
#924CC3
oklch(55.6% 0.184 308.7)
-
Step 700
700
#7D3CA9
oklch(49.2% 0.172 308.8)
-
Step 800
800
#653389
oklch(42.8% 0.141 308.4)
-
Step 900
900
#522D6D
oklch(37.5% 0.111 308.7)
-
Step 950
950 (this color)
#331E43
oklch(28.1% 0.07 308.8)
#331E43 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) | #142644 | 0.056 |
| Deuteranopia (no green cones) | #1A2742 | 0.050 |
| Tritanopia (no blue cones) | #31242D | 0.050 |
| Achromatopsia (no color) | #272727 | 0.070 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #331E43
#331E43
oklch(28.1% 0.07 308.8)
- #1E2F03
#1E2F03
oklch(28% 0.07 128.8)
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 #331E43, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.048
- Oxford Blue #1B263B ΔE 0.052
- Dark Purple #35063E ΔE 0.053
- Eggplant #380835 ΔE 0.053
- Aubergine #3D0734 ΔE 0.056
- Eggplant Purple #430541 ΔE 0.057
- Deep Purple #36013F ΔE 0.061
- Dark #1B2431 ΔE 0.061
Use #331E43 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.