#201540
Closest named color: Dark Indigo (#1F0954). oklch(23.7% 0.078 291), rgb(32, 21, 64).
Aa
White text reads best on this color (16.89:1).
About this color
#201540 is a very dark, moderately saturated purple. In OKLCH its lightness is 24%, its chroma 0.078 and its hue 291°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Indigo (#1F0954), ΔE 0.044 away. White text reads best on it, at 16.89:1.
| Hue family | Purples |
| Lightness | very dark (24%) |
| Chroma | moderately saturated (0.078) |
| Temperature | in between |
| Nearest name | Dark Indigo (#1F0954) |
| Black text | 1.24:1 |
| White text | 16.89:1 |
Values
| HEX | #201540 |
| RGB | rgb(32, 21, 64) |
| HSL | hsl(255, 51%, 17%) |
| OKLCH | oklch(23.7% 0.078 291) |
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 #201540 | 16.89:1 | AAA | Lc -106.0 | Preferred for body text |
| Black text on #201540 | 1.24:1 | Fails | Lc 0.0 | Not readable |
| #201540 text on white | 16.89:1 | AAA | Lc 103.6 | Preferred for body text |
| #201540 text on black | 1.24:1 | 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
#F5F4FD
oklch(97% 0.012 291.3)
-
Step 100
100
#E9E7FB
oklch(93.5% 0.027 290.5)
-
Step 200
200
#D9D4F9
oklch(88.6% 0.051 291.5)
-
Step 300
300
#C0B6F8
oklch(80.8% 0.093 291.1)
-
Step 400
400
#A28EF5
oklch(70.7% 0.148 291.1)
-
Step 500
500
#8D6EF1
oklch(63.2% 0.189 290.9)
-
Step 600
600
#7951E0
oklch(55.7% 0.206 291)
-
Step 700
700
#6640C2
oklch(49% 0.192 291.1)
-
Step 800
800
#53369D
oklch(42.7% 0.159 291.1)
-
Step 900
900
#44317D
oklch(37.8% 0.123 290.8)
-
Step 950
950 (this color)
#201540
oklch(23.7% 0.078 291)
#201540 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) | #001E41 | 0.049 |
| Deuteranopia (no green cones) | #001C3F | 0.048 |
| Tritanopia (no blue cones) | #171F28 | 0.063 |
| Achromatopsia (no color) | #1D1D1D | 0.079 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #201540
#201540
oklch(23.7% 0.078 291)
- #202100
#202100
oklch(23.9% 0.053 111.4)
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 #201540, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Indigo #1F0954 ΔE 0.044
- Midnight Purple #280137 ΔE 0.051
- Dark Purple #35063E ΔE 0.054
- Very Dark Purple #2A0134 ΔE 0.054
- Oxford Blue #1B263B ΔE 0.056
- Navy Blue #001146 ΔE 0.057
- Rich Black #0D1B2A ΔE 0.059
- Deep Purple #36013F ΔE 0.060
Use #201540 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.