#201729
Closest named color: Rich Black (#0D1B2A). oklch(22.5% 0.036 306.6), rgb(32, 23, 41).
Aa
White text reads best on this color (17.26:1).
About this color
#201729 is a very dark, muted purple. In OKLCH its lightness is 22%, its chroma 0.036 and its hue 307°. 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 17.26:1.
| Hue family | Purples |
| Lightness | very dark (22%) |
| Chroma | muted (0.036) |
| Temperature | in between |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.21:1 |
| White text | 17.26:1 |
Values
| HEX | #201729 |
| RGB | rgb(32, 23, 41) |
| HSL | hsl(270, 28%, 13%) |
| OKLCH | oklch(22.5% 0.036 306.6) |
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 #201729 | 17.26:1 | AAA | Lc -106.4 | Preferred for body text |
| Black text on #201729 | 1.21:1 | Fails | Lc 0.0 | Not readable |
| #201729 text on white | 17.26:1 | AAA | Lc 104.1 | Preferred for body text |
| #201729 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
#F6F4F9
oklch(97% 0.007 304.2)
-
Step 100
100
#ECE8F1
oklch(93.7% 0.013 306)
-
Step 200
200
#DDD5E6
oklch(88.4% 0.025 306.9)
-
Step 300
300
#C8BAD7
oklch(81% 0.043 307.1)
-
Step 400
400
#AC96C3
oklch(70.8% 0.069 306.9)
-
Step 500
500
#977BB4
oklch(63% 0.089 306.5)
-
Step 600
600
#82649F
oklch(55.7% 0.095 306.9)
-
Step 700
700
#6E5388
oklch(49.2% 0.088 306.8)
-
Step 800
800
#59446F
oklch(42.7% 0.074 305.9)
-
Step 900
900
#49395A
oklch(37.6% 0.058 306)
-
Step 950
950 (this color)
#201729
oklch(22.5% 0.036 306.6)
#201729 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) | #131A2A | 0.025 |
| Deuteranopia (no green cones) | #151B28 | 0.024 |
| Tritanopia (no blue cones) | #1F1A1E | 0.027 |
| Achromatopsia (no color) | #1B1B1B | 0.036 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #201729
#201729
oklch(22.5% 0.036 306.6)
- #171F0B
#171F0B
oklch(22.5% 0.037 127.1)
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 #201729, 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 0.043
- Jet #212529 ΔE 0.050
- Oxford Blue #1B263B ΔE 0.054
- Very Dark Purple #2A0134 ΔE 0.065
- Midnight Purple #280137 ΔE 0.067
- Eggplant #380835 ΔE 0.067
- Rich Navy #001219 ΔE 0.072
Use #201729 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.