#331F3C
Closest named color: Space Cadet (#2B2D42). oklch(27.8% 0.058 314.7), rgb(51, 31, 60).
Aa
White text reads best on this color (14.97:1).
About this color
#331F3C is a dark, muted purple. In OKLCH its lightness is 28%, its chroma 0.058 and its hue 315°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.044 away. White text reads best on it, at 14.97:1.
| Hue family | Purples |
| Lightness | dark (28%) |
| Chroma | muted (0.058) |
| Temperature | in between |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.40:1 |
| White text | 14.97:1 |
Values
| HEX | #331F3C |
| RGB | rgb(51, 31, 60) |
| HSL | hsl(281, 32%, 18%) |
| OKLCH | oklch(27.8% 0.058 314.7) |
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 #331F3C | 14.97:1 | AAA | Lc -104.6 | Preferred for body text |
| Black text on #331F3C | 1.40:1 | Fails | Lc 0.0 | Not readable |
| #331F3C text on white | 14.97:1 | AAA | Lc 101.8 | Preferred for body text |
| #331F3C 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
#F8F4FA
oklch(97.2% 0.009 314.8)
-
Step 100
100
#EFE6F3
oklch(93.6% 0.02 315.7)
-
Step 200
200
#E3D2EB
oklch(88.5% 0.038 315.1)
-
Step 300
300
#D1B4E0
oklch(80.9% 0.068 314.1)
-
Step 400
400
#BA8BD0
oklch(70.6% 0.11 314.7)
-
Step 500
500
#A96DC3
oklch(63.1% 0.14 315)
-
Step 600
600
#9453B0
oklch(55.6% 0.153 314.8)
-
Step 700
700
#7E4397
oklch(49.1% 0.141 314.8)
-
Step 800
800
#66387B
oklch(42.7% 0.117 314.2)
-
Step 900
900
#533163
oklch(37.7% 0.091 314.1)
-
Step 950
950 (this color)
#331F3C
oklch(27.8% 0.058 314.7)
#331F3C 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) | #1A263D | 0.048 |
| Deuteranopia (no green cones) | #1F273B | 0.043 |
| Tritanopia (no blue cones) | #32232A | 0.040 |
| Achromatopsia (no color) | #272727 | 0.058 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #331F3C
#331F3C
oklch(27.8% 0.058 314.7)
- #1C2F0F
#1C2F0F
oklch(28% 0.059 134.3)
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 #331F3C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.044
- Oxford Blue #1B263B ΔE 0.047
- Dark #1B2431 ΔE 0.053
- Eggplant #380835 ΔE 0.054
- Aubergine #3D0734 ΔE 0.055
- Jet #212529 ΔE 0.057
- Dark Purple #35063E ΔE 0.058
- Gunmetal #293241 ΔE 0.060
Use #331F3C 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.