#331D35
Closest named color: Oxford Blue (#1B263B). oklch(27% 0.053 323.9), rgb(51, 29, 53).
Aa
White text reads best on this color (15.35:1).
About this color
#331D35 is a dark, muted purple. In OKLCH its lightness is 27%, its chroma 0.053 and its hue 324°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.049 away. White text reads best on it, at 15.35:1.
| Hue family | Purples |
| Lightness | dark (27%) |
| Chroma | muted (0.053) |
| Temperature | in between |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.36:1 |
| White text | 15.35:1 |
Values
| HEX | #331D35 |
| RGB | rgb(51, 29, 53) |
| HSL | hsl(295, 29%, 16%) |
| OKLCH | oklch(27% 0.053 323.9) |
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 #331D35 | 15.35:1 | AAA | Lc -104.9 | Preferred for body text |
| Black text on #331D35 | 1.36:1 | Fails | Lc 0.0 | Not readable |
| #331D35 text on white | 15.35:1 | AAA | Lc 102.2 | Preferred for body text |
| #331D35 text on black | 1.36:1 | 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
#F8F4F9
oklch(97.2% 0.008 319.4)
-
Step 100
100
#F0E6F1
oklch(93.6% 0.018 323)
-
Step 200
200
#E5D2E6
oklch(88.5% 0.034 324.3)
-
Step 300
300
#D5B3D8
oklch(80.8% 0.063 323.6)
-
Step 400
400
#C08BC4
oklch(70.7% 0.1 324.2)
-
Step 500
500
#AF6DB5
oklch(63.1% 0.128 324)
-
Step 600
600
#9A53A1
oklch(55.6% 0.14 323.9)
-
Step 700
700
#834389
oklch(49% 0.129 324)
-
Step 800
800
#6B3870
oklch(42.8% 0.107 323.9)
-
Step 900
900
#57315A
oklch(37.7% 0.083 324.4)
-
Step 950
950 (this color)
#331D35
oklch(27% 0.053 323.9)
#331D35 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) | #1B2336 | 0.047 |
| Deuteranopia (no green cones) | #202634 | 0.044 |
| Tritanopia (no blue cones) | #342026 | 0.033 |
| Achromatopsia (no color) | #252525 | 0.053 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #331D35
#331D35
oklch(27% 0.053 323.9)
- #152D15
#152D15
oklch(27% 0.053 143.9)
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 #331D35, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.049
- Eggplant #380835 ΔE 0.050
- Dark #1B2431 ΔE 0.050
- Space Cadet #2B2D42 ΔE 0.051
- Aubergine #3D0734 ΔE 0.051
- Jet #212529 ΔE 0.052
- Dark Purple #35063E ΔE 0.058
- Dark Plum #3F012C ΔE 0.062
Use #331D35 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.