#312031
Closest named color: Jet (#212529). oklch(27.2% 0.039 326.6), rgb(49, 32, 49).
Aa
White text reads best on this color (15.20:1).
About this color
#312031 is a dark, muted purple. In OKLCH its lightness is 27%, its chroma 0.039 and its hue 327°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Jet (#212529), ΔE 0.040 away. White text reads best on it, at 15.20:1.
| Hue family | Purples |
| Lightness | dark (27%) |
| Chroma | muted (0.039) |
| Temperature | in between |
| Nearest name | Jet (#212529) |
| Black text | 1.38:1 |
| White text | 15.20:1 |
Values
| HEX | #312031 |
| RGB | rgb(49, 32, 49) |
| HSL | hsl(300, 21%, 16%) |
| OKLCH | oklch(27.2% 0.039 326.6) |
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 #312031 | 15.20:1 | AAA | Lc -104.8 | Preferred for body text |
| Black text on #312031 | 1.38:1 | Fails | Lc 0.0 | Not readable |
| #312031 text on white | 15.20:1 | AAA | Lc 102.1 | Preferred for body text |
| #312031 text on black | 1.38:1 | 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
#F8F4F8
oklch(97.1% 0.007 325.6)
-
Step 100
100
#EFE7EF
oklch(93.7% 0.014 325.7)
-
Step 200
200
#E3D4E2
oklch(88.6% 0.025 327.8)
-
Step 300
300
#D1B7D1
oklch(81% 0.046 326)
-
Step 400
400
#BA91B9
oklch(70.8% 0.074 327.1)
-
Step 500
500
#A875A8
oklch(63.2% 0.095 326.6)
-
Step 600
600
#935D93
oklch(55.7% 0.103 326.8)
-
Step 700
700
#7D4C7D
oklch(49.1% 0.096 326.9)
-
Step 800
800
#653F66
oklch(42.7% 0.078 326)
-
Step 900
900
#533653
oklch(37.8% 0.061 326.7)
-
Step 950
950 (this color)
#312031
oklch(27.2% 0.039 326.6)
#312031 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) | #1F2432 | 0.035 |
| Deuteranopia (no green cones) | #232630 | 0.032 |
| Tritanopia (no blue cones) | #322126 | 0.022 |
| Achromatopsia (no color) | #262626 | 0.039 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #312031
#312031
oklch(27.2% 0.039 326.6)
- #1A2C1B
#1A2C1B
oklch(27.2% 0.039 145.7)
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 #312031, 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 0.041
- Oxford Blue #1B263B ΔE 0.043
- Space Cadet #2B2D42 ΔE 0.045
- Gunmetal #293241 ΔE 0.058
- Eggplant #380835 ΔE 0.062
- Aubergine #3D0734 ΔE 0.063
- Rich Black #0D1B2A ΔE 0.071
Use #312031 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.