#31212E
Closest named color: Jet (#212529). oklch(27.3% 0.033 333.2), rgb(49, 33, 46).
Aa
White text reads best on this color (15.13:1).
About this color
#31212E is a dark, muted purple. In OKLCH its lightness is 27%, its chroma 0.033 and its hue 333°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Jet (#212529), ΔE 0.035 away. White text reads best on it, at 15.13:1.
| Hue family | Purples |
| Lightness | dark (27%) |
| Chroma | muted (0.033) |
| Temperature | in between |
| Nearest name | Jet (#212529) |
| Black text | 1.38:1 |
| White text | 15.13:1 |
Values
| HEX | #31212E |
| RGB | rgb(49, 33, 46) |
| HSL | hsl(311, 20%, 16%) |
| OKLCH | oklch(27.3% 0.033 333.2) |
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 #31212E | 15.13:1 | AAA | Lc -104.8 | Preferred for body text |
| Black text on #31212E | 1.38:1 | Fails | Lc 0.0 | Not readable |
| #31212E text on white | 15.13:1 | AAA | Lc 102.0 | Preferred for body text |
| #31212E 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
#F8F4F7
oklch(97.1% 0.006 334)
-
Step 100
100
#EFE7ED
oklch(93.6% 0.012 334.1)
-
Step 200
200
#E2D4DF
oklch(88.4% 0.021 332.9)
-
Step 300
300
#D1B8CB
oklch(81% 0.038 334.3)
-
Step 400
400
#B992B1
oklch(70.6% 0.063 333.5)
-
Step 500
500
#A7779E
oklch(63% 0.08 333.3)
-
Step 600
600
#926089
oklch(55.7% 0.086 333.3)
-
Step 700
700
#7C4F74
oklch(49.1% 0.08 333.3)
-
Step 800
800
#65415F
oklch(42.8% 0.067 332.8)
-
Step 900
900
#52374D
oklch(37.6% 0.051 333.3)
-
Step 950
950 (this color)
#31212E
oklch(27.3% 0.033 333.2)
#31212E 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) | #21252F | 0.032 |
| Deuteranopia (no green cones) | #25272D | 0.030 |
| Tritanopia (no blue cones) | #332226 | 0.017 |
| Achromatopsia (no color) | #262626 | 0.033 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #31212E
#31212E
oklch(27.3% 0.033 333.2)
- #1A2C1F
#1A2C1F
oklch(27.3% 0.034 152.4)
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 #31212E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jet #212529 ΔE 0.035
- Dark #1B2431 ΔE 0.040
- Oxford Blue #1B263B ΔE 0.044
- Space Cadet #2B2D42 ΔE 0.046
- Gunmetal #293241 ΔE 0.057
- Dark Brown #341C02 ΔE 0.067
- Eggplant #380835 ΔE 0.068
- Aubergine #3D0734 ΔE 0.069
Use #31212E 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.