#312133
Closest named color: Jet (#212529). oklch(27.5% 0.039 322.8), rgb(49, 33, 51).
Aa
White text reads best on this color (15.04:1).
About this color
#312133 is a dark, muted purple. In OKLCH its lightness is 28%, its chroma 0.039 and its hue 323°. 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 15.04:1.
| Hue family | Purples |
| Lightness | dark (28%) |
| Chroma | muted (0.039) |
| Temperature | in between |
| Nearest name | Jet (#212529) |
| Black text | 1.39:1 |
| White text | 15.04:1 |
Values
| HEX | #312133 |
| RGB | rgb(49, 33, 51) |
| HSL | hsl(293, 21%, 16%) |
| OKLCH | oklch(27.5% 0.039 322.8) |
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 #312133 | 15.04:1 | AAA | Lc -104.7 | Preferred for body text |
| Black text on #312133 | 1.39:1 | Fails | Lc 0.0 | Not readable |
| #312133 text on white | 15.04:1 | AAA | Lc 101.9 | Preferred for body text |
| #312133 text on black | 1.39:1 | 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
#F7F4F8
oklch(97.1% 0.006 317.8)
-
Step 100
100
#EEE7EF
oklch(93.6% 0.013 321.9)
-
Step 200
200
#E2D4E3
oklch(88.6% 0.025 323.8)
-
Step 300
300
#D0B7D3
oklch(80.9% 0.047 322.6)
-
Step 400
400
#B791BC
oklch(70.6% 0.075 322.5)
-
Step 500
500
#A576AB
oklch(63.2% 0.094 322.7)
-
Step 600
600
#905D97
oklch(55.5% 0.105 322.5)
-
Step 700
700
#7B4D80
oklch(49.2% 0.096 323.4)
-
Step 800
800
#643F68
oklch(42.7% 0.08 323.4)
-
Step 900
900
#513655
oklch(37.7% 0.062 322.2)
-
Step 950
950 (this color)
#312133
oklch(27.5% 0.039 322.8)
#312133 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) | #1F2534 | 0.034 |
| Deuteranopia (no green cones) | #232732 | 0.032 |
| Tritanopia (no blue cones) | #322327 | 0.026 |
| Achromatopsia (no color) | #262626 | 0.040 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #312133
#312133
oklch(27.5% 0.039 322.8)
- #1C2D1B
#1C2D1B
oklch(27.6% 0.04 143.1)
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 #312133, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jet #212529 ΔE 0.040
- Space Cadet #2B2D42 ΔE 0.041
- Dark #1B2431 ΔE 0.041
- Oxford Blue #1B263B ΔE 0.041
- Gunmetal #293241 ΔE 0.054
- Eggplant #380835 ΔE 0.063
- Aubergine #3D0734 ΔE 0.065
- Dark Purple #35063E ΔE 0.072
Use #312133 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.