#201728
Closest named color: Rich Black (#0D1B2A). oklch(22.4% 0.035 308), rgb(32, 23, 40).
Aa
White text reads best on this color (17.28:1).
About this color
#201728 is a very dark, muted purple. In OKLCH its lightness is 22%, its chroma 0.035 and its hue 308°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.034 away. White text reads best on it, at 17.28:1.
| Hue family | Purples |
| Lightness | very dark (22%) |
| Chroma | muted (0.035) |
| Temperature | in between |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.21:1 |
| White text | 17.28:1 |
Values
| HEX | #201728 |
| RGB | rgb(32, 23, 40) |
| HSL | hsl(272, 27%, 12%) |
| OKLCH | oklch(22.4% 0.035 308) |
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 #201728 | 17.28:1 | AAA | Lc -106.4 | Preferred for body text |
| Black text on #201728 | 1.21:1 | Fails | Lc 0.0 | Not readable |
| #201728 text on white | 17.28:1 | AAA | Lc 104.1 | Preferred for body text |
| #201728 text on black | 1.21:1 | 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
#F6F4F8
oklch(97% 0.006 308.4)
-
Step 100
100
#ECE8F0
oklch(93.6% 0.011 308.3)
-
Step 200
200
#DDD5E5
oklch(88.4% 0.023 308.2)
-
Step 300
300
#C8BAD6
oklch(80.9% 0.042 307.9)
-
Step 400
400
#AC96C1
oklch(70.7% 0.066 307.9)
-
Step 500
500
#987CB1
oklch(63.2% 0.084 308.2)
-
Step 600
600
#82649D
oklch(55.6% 0.092 307.8)
-
Step 700
700
#6E5386
oklch(49.1% 0.085 307.8)
-
Step 800
800
#5A446D
oklch(42.7% 0.071 308.2)
-
Step 900
900
#4A3A58
oklch(37.8% 0.054 308.4)
-
Step 950
950 (this color)
#201728
oklch(22.4% 0.035 308)
#201728 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) | #141A29 | 0.024 |
| Deuteranopia (no green cones) | #161B28 | 0.022 |
| Tritanopia (no blue cones) | #1F191D | 0.025 |
| Achromatopsia (no color) | #1B1B1B | 0.035 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #201728
#201728
oklch(22.4% 0.035 308)
- #171F0C
#171F0C
oklch(22.5% 0.036 127.7)
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 #201728, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.034
- Dark #1B2431 ΔE 0.044
- Jet #212529 ΔE 0.049
- Oxford Blue #1B263B ΔE 0.054
- Very Dark Purple #2A0134 ΔE 0.066
- Midnight Purple #280137 ΔE 0.068
- Eggplant #380835 ΔE 0.068
- Rich Navy #001219 ΔE 0.071
Use #201728 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.