#221025
Closest named color: Rich Black (#0D1B2A). oklch(20.9% 0.048 321.7), rgb(34, 16, 37).
Aa
White text reads best on this color (17.96:1).
About this color
#221025 is a very dark, muted purple. In OKLCH its lightness is 21%, its chroma 0.048 and its hue 322°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.050 away. White text reads best on it, at 17.96:1.
| Hue family | Purples |
| Lightness | very dark (21%) |
| Chroma | muted (0.048) |
| Temperature | in between |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.16:1 |
| White text | 17.96:1 |
Values
| HEX | #221025 |
| RGB | rgb(34, 16, 37) |
| HSL | hsl(291, 40%, 10%) |
| OKLCH | oklch(20.9% 0.048 321.7) |
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 #221025 | 17.96:1 | AAA | Lc -106.8 | Preferred for body text |
| Black text on #221025 | 1.16:1 | Fails | Lc 0.0 | Not readable |
| #221025 text on white | 17.96:1 | AAA | Lc 104.6 | Preferred for body text |
| #221025 text on black | 1.16:1 | 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
#F8F4F8
oklch(97.1% 0.007 325.6)
-
Step 100
100
#EFE6F0
oklch(93.5% 0.016 322.7)
-
Step 200
200
#E3D3E6
oklch(88.5% 0.031 320.9)
-
Step 300
300
#D2B5D7
oklch(80.9% 0.057 321.3)
-
Step 400
400
#BB8EC2
oklch(70.7% 0.089 321.9)
-
Step 500
500
#AA71B3
oklch(63.2% 0.115 321.9)
-
Step 600
600
#95589F
oklch(55.7% 0.126 321.8)
-
Step 700
700
#7F4888
oklch(49.2% 0.117 321.8)
-
Step 800
800
#673B6E
oklch(42.6% 0.097 321.9)
-
Step 900
900
#543359
oklch(37.7% 0.075 322.1)
-
Step 950
950 (this color)
#221025
oklch(20.9% 0.048 321.7)
#221025 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) | #0D1526 | 0.043 |
| Deuteranopia (no green cones) | #121724 | 0.039 |
| Tritanopia (no blue cones) | #221318 | 0.031 |
| Achromatopsia (no color) | #171717 | 0.048 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #221025
#221025
oklch(20.9% 0.048 321.7)
- #0A1D08
#0A1D08
oklch(20.8% 0.047 141.7)
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 #221025, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.050
- Very Dark Purple #2A0134 ΔE 0.051
- Midnight Purple #280137 ΔE 0.054
- Eggplant #380835 ΔE 0.061
- Dark #1B2431 ΔE 0.065
- Dark Purple #35063E ΔE 0.068
- Jet #212529 ΔE 0.070
- Aubergine #3D0734 ΔE 0.070
Use #221025 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.