#311D2B
Closest named color: Jet (#212529). oklch(26.2% 0.039 338.5), rgb(49, 29, 43).
Aa
White text reads best on this color (15.65:1).
About this color
#311D2B is a dark, muted purple. In OKLCH its lightness is 26%, its chroma 0.039 and its hue 338°. Its hue sits on the warm side of the wheel. The nearest named color is Jet (#212529), ΔE 0.040 away. White text reads best on it, at 15.65:1.
| Hue family | Purples |
| Lightness | dark (26%) |
| Chroma | muted (0.039) |
| Temperature | warm |
| Nearest name | Jet (#212529) |
| Black text | 1.34:1 |
| White text | 15.65:1 |
Values
| HEX | #311D2B |
| RGB | rgb(49, 29, 43) |
| HSL | hsl(318, 26%, 15%) |
| OKLCH | oklch(26.2% 0.039 338.5) |
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 #311D2B | 15.65:1 | AAA | Lc -105.2 | Preferred for body text |
| Black text on #311D2B | 1.34:1 | Fails | Lc 0.0 | Not readable |
| #311D2B text on white | 15.65:1 | AAA | Lc 102.5 | Preferred for body text |
| #311D2B text on black | 1.34:1 | 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
#F8F4F7
oklch(97.1% 0.006 334)
-
Step 100
100
#F0E7ED
oklch(93.7% 0.013 337.5)
-
Step 200
200
#E5D3DF
oklch(88.5% 0.025 337.8)
-
Step 300
300
#D5B6CB
oklch(80.9% 0.045 337.9)
-
Step 400
400
#C08FB0
oklch(70.7% 0.074 338.9)
-
Step 500
500
#AF739D
oklch(63.2% 0.094 338.5)
-
Step 600
600
#9A5A88
oklch(55.6% 0.104 338.2)
-
Step 700
700
#834A73
oklch(49.1% 0.095 338.3)
-
Step 800
800
#6B3D5E
oklch(42.8% 0.079 338.3)
-
Step 900
900
#57344D
oklch(37.7% 0.063 338.1)
-
Step 950
950 (this color)
#311D2B
oklch(26.2% 0.039 338.5)
#311D2B 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) | #1E212C | 0.038 |
| Deuteranopia (no green cones) | #22242A | 0.036 |
| Tritanopia (no blue cones) | #331D22 | 0.017 |
| Achromatopsia (no color) | #232323 | 0.039 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #311D2B
#311D2B
oklch(26.2% 0.039 338.5)
- #122A1D
#122A1D
oklch(26.1% 0.039 158.4)
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 #311D2B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jet #212529 ΔE 0.040
- Dark #1B2431 ΔE 0.044
- Oxford Blue #1B263B ΔE 0.050
- Space Cadet #2B2D42 ΔE 0.057
- Eggplant #380835 ΔE 0.059
- Aubergine #3D0734 ΔE 0.061
- Dark Brown #341C02 ΔE 0.065
- Dark Plum #3F012C ΔE 0.066
Use #311D2B 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.