#201639
Closest named color: Rich Black (#0D1B2A). oklch(23.4% 0.065 293.9), rgb(32, 22, 57).
Aa
White text reads best on this color (17.00:1).
About this color
#201639 is a very dark, muted purple. In OKLCH its lightness is 23%, its chroma 0.065 and its hue 294°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.049 away. White text reads best on it, at 17.00:1.
| Hue family | Purples |
| Lightness | very dark (23%) |
| Chroma | muted (0.065) |
| Temperature | in between |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.23:1 |
| White text | 17.00:1 |
Values
| HEX | #201639 |
| RGB | rgb(32, 22, 57) |
| HSL | hsl(257, 44%, 15%) |
| OKLCH | oklch(23.4% 0.065 293.9) |
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 #201639 | 17.00:1 | AAA | Lc -106.2 | Preferred for body text |
| Black text on #201639 | 1.23:1 | Fails | Lc 0.0 | Not readable |
| #201639 text on white | 17.00:1 | AAA | Lc 103.8 | Preferred for body text |
| #201639 text on black | 1.23:1 | 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
#F6F4FC
oklch(97.1% 0.011 297.6)
-
Step 100
100
#EAE7F8
oklch(93.5% 0.023 294.1)
-
Step 200
200
#DAD4F3
oklch(88.4% 0.043 294.4)
-
Step 300
300
#C3B8EE
oklch(81% 0.076 294)
-
Step 400
400
#A591E6
oklch(70.8% 0.123 293.8)
-
Step 500
500
#9073DE
oklch(63.1% 0.157 293.9)
-
Step 600
600
#7B59CC
oklch(55.6% 0.171 293.7)
-
Step 700
700
#6848B1
oklch(49.2% 0.16 293.7)
-
Step 800
800
#553C8F
oklch(42.8% 0.132 294)
-
Step 900
900
#463472
oklch(37.7% 0.103 294.3)
-
Step 950
950 (this color)
#201639
oklch(23.4% 0.065 293.9)
#201639 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) | #071D3A | 0.041 |
| Deuteranopia (no green cones) | #091C38 | 0.039 |
| Tritanopia (no blue cones) | #1A1D24 | 0.053 |
| Achromatopsia (no color) | #1C1C1C | 0.066 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #201639
#201639
oklch(23.4% 0.065 293.9)
- #1E2000
#1E2000
oklch(23.3% 0.052 113.1)
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 #201639, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.049
- Oxford Blue #1B263B ΔE 0.051
- Midnight Purple #280137 ΔE 0.052
- Dark #1B2431 ΔE 0.052
- Very Dark Purple #2A0134 ΔE 0.054
- Dark Purple #35063E ΔE 0.056
- Dark Indigo #1F0954 ΔE 0.058
- Eggplant #380835 ΔE 0.059
Use #201639 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.