#311A28
Closest named color: Jet (#212529). oklch(25.5% 0.043 343.3), rgb(49, 26, 40).
Aa
White text reads best on this color (16.04:1).
About this color
#311A28 is a dark, muted purple. In OKLCH its lightness is 25%, its chroma 0.043 and its hue 343°. Its hue sits on the warm side of the wheel. The nearest named color is Jet (#212529), ΔE 0.045 away. White text reads best on it, at 16.04:1.
| Hue family | Purples |
| Lightness | dark (25%) |
| Chroma | muted (0.043) |
| Temperature | warm |
| Nearest name | Jet (#212529) |
| Black text | 1.30:1 |
| White text | 16.04:1 |
Values
| HEX | #311A28 |
| RGB | rgb(49, 26, 40) |
| HSL | hsl(323, 31%, 15%) |
| OKLCH | oklch(25.5% 0.043 343.3) |
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 #311A28 | 16.04:1 | AAA | Lc -105.5 | Preferred for body text |
| Black text on #311A28 | 1.30:1 | Fails | Lc 0.0 | Not readable |
| #311A28 text on white | 16.04:1 | AAA | Lc 102.9 | Preferred for body text |
| #311A28 text on black | 1.30:1 | 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
#F9F4F7
oklch(97.2% 0.007 340.4)
-
Step 100
100
#F1E6EC
oklch(93.5% 0.014 343.2)
-
Step 200
200
#E7D2DE
oklch(88.4% 0.028 342.3)
-
Step 300
300
#D9B4C9
oklch(80.9% 0.051 343.2)
-
Step 400
400
#C58CAE
oklch(70.6% 0.082 342.9)
-
Step 500
500
#B56F9A
oklch(63.1% 0.104 343)
-
Step 600
600
#A05684
oklch(55.5% 0.113 343.4)
-
Step 700
700
#894670
oklch(49.1% 0.106 343.3)
-
Step 800
800
#6F3A5B
oklch(42.6% 0.087 343.3)
-
Step 900
900
#5A324B
oklch(37.6% 0.068 342.7)
-
Step 950
950 (this color)
#311A28
oklch(25.5% 0.043 343.3)
#311A28 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) | #1B1F29 | 0.045 |
| Deuteranopia (no green cones) | #212327 | 0.042 |
| Tritanopia (no blue cones) | #341A1F | 0.018 |
| Achromatopsia (no color) | #212121 | 0.043 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #311A28
#311A28
oklch(25.5% 0.043 343.3)
- #0B291D
#0B291D
oklch(25.4% 0.043 164)
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 #311A28, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jet #212529 ΔE 0.045
- Dark #1B2431 ΔE 0.049
- Eggplant #380835 ΔE 0.055
- Aubergine #3D0734 ΔE 0.057
- Oxford Blue #1B263B ΔE 0.057
- Dark Plum #3F012C ΔE 0.061
- Dark Brown #341C02 ΔE 0.064
- Space Cadet #2B2D42 ΔE 0.066
Use #311A28 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.