#331F48
Closest named color: Space Cadet (#2B2D42). oklch(28.6% 0.075 304.6), rgb(51, 31, 72).
Aa
White text reads best on this color (14.68:1).
About this color
#331F48 is a dark, moderately saturated purple. In OKLCH its lightness is 29%, its chroma 0.075 and its hue 305°. 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 14.68:1.
| Hue family | Purples |
| Lightness | dark (29%) |
| Chroma | moderately saturated (0.075) |
| Temperature | in between |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.43:1 |
| White text | 14.68:1 |
Values
| HEX | #331F48 |
| RGB | rgb(51, 31, 72) |
| HSL | hsl(269, 40%, 20%) |
| OKLCH | oklch(28.6% 0.075 304.6) |
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 #331F48 | 14.68:1 | AAA | Lc -104.2 | Preferred for body text |
| Black text on #331F48 | 1.43:1 | Fails | Lc 0.0 | Not readable |
| #331F48 text on white | 14.68:1 | AAA | Lc 101.3 | Preferred for body text |
| #331F48 text on black | 1.43:1 | 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
#F7F4FC
oklch(97.2% 0.011 303.1)
-
Step 100
100
#EEE6F8
oklch(93.6% 0.025 305.8)
-
Step 200
200
#E0D2F4
oklch(88.6% 0.048 304.1)
-
Step 300
300
#CDB2F0
oklch(80.8% 0.09 304.3)
-
Step 400
400
#B588E8
oklch(70.7% 0.143 304.6)
-
Step 500
500
#A367E1
oklch(63.2% 0.182 304.4)
-
Step 600
600
#8F4ACE
oklch(55.7% 0.198 304.8)
-
Step 700
700
#793AB3
oklch(49.1% 0.184 304.3)
-
Step 800
800
#633191
oklch(42.8% 0.153 304.6)
-
Step 900
900
#502D73
oklch(37.7% 0.118 304.4)
-
Step 950
950 (this color)
#331F48
oklch(28.6% 0.075 304.6)
#331F48 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) | #122849 | 0.057 |
| Deuteranopia (no green cones) | #182847 | 0.051 |
| Tritanopia (no blue cones) | #2F2630 | 0.055 |
| Achromatopsia (no color) | #282828 | 0.076 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #331F48
#331F48
oklch(28.6% 0.075 304.6)
- #233000
#233000
oklch(28.7% 0.071 124.3)
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 #331F48, 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 0.055
- Dark Purple #35063E ΔE 0.056
- Eggplant #380835 ΔE 0.059
- Eggplant Purple #430541 ΔE 0.059
- Aubergine #3D0734 ΔE 0.062
- Deep Violet #490648 ΔE 0.063
- Deep Purple #36013F ΔE 0.064
Use #331F48 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.