#31202F
Closest named color: Jet (#212529). oklch(27.1% 0.037 330.6), rgb(49, 32, 47).
Aa
White text reads best on this color (15.23:1).
About this color
#31202F is a dark, muted purple. In OKLCH its lightness is 27%, its chroma 0.037 and its hue 331°. 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 15.23:1.
| Hue family | Purples |
| Lightness | dark (27%) |
| Chroma | muted (0.037) |
| Temperature | in between |
| Nearest name | Jet (#212529) |
| Black text | 1.37:1 |
| White text | 15.23:1 |
Values
| HEX | #31202F |
| RGB | rgb(49, 32, 47) |
| HSL | hsl(307, 21%, 16%) |
| OKLCH | oklch(27.1% 0.037 330.6) |
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 #31202F | 15.23:1 | AAA | Lc -104.8 | Preferred for body text |
| Black text on #31202F | 1.37:1 | Fails | Lc 0.0 | Not readable |
| #31202F text on white | 15.23:1 | AAA | Lc 102.1 | Preferred for body text |
| #31202F text on black | 1.37:1 | 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
#EFE7EE
oklch(93.6% 0.013 329.6)
-
Step 200
200
#E3D4E1
oklch(88.6% 0.024 330)
-
Step 300
300
#D2B7CE
oklch(80.9% 0.044 330.9)
-
Step 400
400
#BA91B5
oklch(70.7% 0.07 330.4)
-
Step 500
500
#A876A3
oklch(63.1% 0.088 330)
-
Step 600
600
#935E8E
oklch(55.6% 0.096 330.1)
-
Step 700
700
#7D4D78
oklch(49% 0.089 330.6)
-
Step 800
800
#663F62
oklch(42.6% 0.075 330.5)
-
Step 900
900
#533650
oklch(37.7% 0.058 330.3)
-
Step 950
950 (this color)
#31202F
oklch(27.1% 0.037 330.6)
#31202F 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) | #1F2430 | 0.035 |
| Deuteranopia (no green cones) | #24262E | 0.031 |
| Tritanopia (no blue cones) | #322125 | 0.020 |
| Achromatopsia (no color) | #252525 | 0.037 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #31202F
#31202F
oklch(27.1% 0.037 330.6)
- #192C1D
#192C1D
oklch(27.2% 0.037 150)
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 #31202F, 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 0.041
- Oxford Blue #1B263B ΔE 0.044
- Space Cadet #2B2D42 ΔE 0.047
- Gunmetal #293241 ΔE 0.059
- Eggplant #380835 ΔE 0.064
- Aubergine #3D0734 ΔE 0.065
- Dark Brown #341C02 ΔE 0.070
Use #31202F 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.