#311F2D
Closest named color: Jet (#212529). oklch(26.8% 0.037 334.8), rgb(49, 31, 45).
Aa
White text reads best on this color (15.39:1).
About this color
#311F2D is a dark, muted purple. In OKLCH its lightness is 27%, its chroma 0.037 and its hue 335°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Jet (#212529), ΔE 0.038 away. White text reads best on it, at 15.39:1.
| Hue family | Purples |
| Lightness | dark (27%) |
| Chroma | muted (0.037) |
| Temperature | in between |
| Nearest name | Jet (#212529) |
| Black text | 1.36:1 |
| White text | 15.39:1 |
Values
| HEX | #311F2D |
| RGB | rgb(49, 31, 45) |
| HSL | hsl(313, 23%, 16%) |
| OKLCH | oklch(26.8% 0.037 334.8) |
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 #311F2D | 15.39:1 | AAA | Lc -105.0 | Preferred for body text |
| Black text on #311F2D | 1.36:1 | Fails | Lc 0.0 | Not readable |
| #311F2D text on white | 15.39:1 | AAA | Lc 102.3 | Preferred for body text |
| #311F2D 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
#F8F4F7
oklch(97.1% 0.006 334)
-
Step 100
100
#EFE7ED
oklch(93.6% 0.012 334.1)
-
Step 200
200
#E4D3DF
oklch(88.4% 0.025 336.1)
-
Step 300
300
#D3B7CC
oklch(81% 0.043 334.7)
-
Step 400
400
#BC91B2
oklch(70.7% 0.068 334.7)
-
Step 500
500
#AB759F
oklch(63.1% 0.088 334.9)
-
Step 600
600
#965D8A
oklch(55.7% 0.096 334.8)
-
Step 700
700
#804C75
oklch(49.1% 0.09 335)
-
Step 800
800
#683F5F
oklch(42.8% 0.074 335.2)
-
Step 900
900
#55364E
oklch(37.9% 0.057 335.2)
-
Step 950
950 (this color)
#311F2D
oklch(26.8% 0.037 334.8)
#311F2D 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) | #1F232E | 0.036 |
| Deuteranopia (no green cones) | #23262C | 0.034 |
| Tritanopia (no blue cones) | #332024 | 0.019 |
| Achromatopsia (no color) | #252525 | 0.037 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #311F2D
#311F2D
oklch(26.8% 0.037 334.8)
- #172B1E
#172B1E
oklch(26.7% 0.036 154.7)
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 #311F2D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jet #212529 ΔE 0.038
- Dark #1B2431 ΔE 0.042
- Oxford Blue #1B263B ΔE 0.047
- Space Cadet #2B2D42 ΔE 0.051
- Gunmetal #293241 ΔE 0.062
- Eggplant #380835 ΔE 0.063
- Aubergine #3D0734 ΔE 0.064
- Dark Brown #341C02 ΔE 0.067
Use #311F2D 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.