#201D51
Closest named color: Dark Indigo (#1F0954). oklch(26.9% 0.092 280.8), rgb(32, 29, 81).
Aa
White text reads best on this color (15.48:1).
About this color
#201D51 is a dark, moderately saturated purple. In OKLCH its lightness is 27%, its chroma 0.092 and its hue 281°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Indigo (#1F0954), ΔE 0.043 away. White text reads best on it, at 15.48:1.
| Hue family | Purples |
| Lightness | dark (27%) |
| Chroma | moderately saturated (0.092) |
| Temperature | cool |
| Nearest name | Dark Indigo (#1F0954) |
| Black text | 1.35:1 |
| White text | 15.48:1 |
Values
| HEX | #201D51 |
| RGB | rgb(32, 29, 81) |
| HSL | hsl(243, 47%, 22%) |
| OKLCH | oklch(26.9% 0.092 280.8) |
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 #201D51 | 15.48:1 | AAA | Lc -104.9 | Preferred for body text |
| Black text on #201D51 | 1.35:1 | Fails | Lc 0.0 | Not readable |
| #201D51 text on white | 15.48:1 | AAA | Lc 102.2 | Preferred for body text |
| #201D51 text on black | 1.35:1 | 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
#F3F5FF
oklch(97.2% 0.013 277.1)
-
Step 100
100
#E5E8FF
oklch(93.6% 0.031 279.9)
-
Step 200
200
#D2D6FF
oklch(88.6% 0.057 280.8)
-
Step 300
300
#B5BAFF
oklch(81% 0.097 280.8)
-
Step 400
400
#9092FF
oklch(70.6% 0.157 280.8)
-
Step 500
500
#7872FF
oklch(63.1% 0.203 280.8)
-
Step 600
600
#644EFA
oklch(55.6% 0.243 280.8)
-
Step 700
700
#543DDA
oklch(49.1% 0.225 280.8)
-
Step 800
800
#4434B0
oklch(42.7% 0.187 280.8)
-
Step 900
900
#38308B
oklch(37.7% 0.145 280.8)
-
Step 950
950 (this color)
#201D51
oklch(26.9% 0.092 280.8)
#201D51 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) | #002653 | 0.041 |
| Deuteranopia (no green cones) | #002250 | 0.039 |
| Tritanopia (no blue cones) | #082933 | 0.079 |
| Achromatopsia (no color) | #242424 | 0.092 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #201D51
#201D51
oklch(26.9% 0.092 280.8)
- #2C2600
#2C2600
oklch(26.7% 0.056 100.3)
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 #201D51, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Indigo #1F0954 ΔE 0.043
- Oxford Blue #1B263B ΔE 0.053
- Marine #042E60 ΔE 0.056
- Midnight Blue #191970 ΔE 0.057
- Space Cadet #2B2D42 ΔE 0.065
- Navy Blue #001146 ΔE 0.067
- Dark #1B2431 ΔE 0.068
- Prussian Blue #1D3557 ΔE 0.071
Use #201D51 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.