#221635
Closest named color: Rich Black (#0D1B2A). oklch(23.3% 0.059 299.7), rgb(34, 22, 53).
Aa
White text reads best on this color (17.01:1).
About this color
#221635 is a very dark, muted purple. In OKLCH its lightness is 23%, its chroma 0.059 and its hue 300°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.047 away. White text reads best on it, at 17.01:1.
| Hue family | Purples |
| Lightness | very dark (23%) |
| Chroma | muted (0.059) |
| Temperature | in between |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.23:1 |
| White text | 17.01:1 |
Values
| HEX | #221635 |
| RGB | rgb(34, 22, 53) |
| HSL | hsl(263, 41%, 15%) |
| OKLCH | oklch(23.3% 0.059 299.7) |
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 #221635 | 17.01:1 | AAA | Lc -106.2 | Preferred for body text |
| Black text on #221635 | 1.23:1 | Fails | Lc 0.0 | Not readable |
| #221635 text on white | 17.01:1 | AAA | Lc 103.8 | Preferred for body text |
| #221635 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
#F6F4FB
oklch(97.1% 0.009 299.2)
-
Step 100
100
#ECE7F6
oklch(93.6% 0.021 301.1)
-
Step 200
200
#DCD4F0
oklch(88.5% 0.039 298.7)
-
Step 300
300
#C7B7E8
oklch(80.9% 0.07 299.8)
-
Step 400
400
#AB90DC
oklch(70.6% 0.112 299.9)
-
Step 500
500
#9773D3
oklch(63.1% 0.144 299.6)
-
Step 600
600
#8259C0
oklch(55.6% 0.157 299.7)
-
Step 700
700
#6E49A5
oklch(49.1% 0.144 299.7)
-
Step 800
800
#5A3C86
oklch(42.7% 0.12 300.1)
-
Step 900
900
#49346B
oklch(37.6% 0.093 299.5)
-
Step 950
950 (this color)
#221635
oklch(23.3% 0.059 299.7)
#221635 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) | #0C1C36 | 0.040 |
| Deuteranopia (no green cones) | #0F1C34 | 0.037 |
| Tritanopia (no blue cones) | #1E1C23 | 0.045 |
| Achromatopsia (no color) | #1C1C1C | 0.059 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #221635
#221635
oklch(23.3% 0.059 299.7)
- #1B2100
#1B2100
oklch(23.3% 0.055 119.1)
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 #221635, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.047
- Dark #1B2431 ΔE 0.049
- Oxford Blue #1B263B ΔE 0.051
- Midnight Purple #280137 ΔE 0.052
- Very Dark Purple #2A0134 ΔE 0.052
- Dark Purple #35063E ΔE 0.055
- Eggplant #380835 ΔE 0.056
- Jet #212529 ΔE 0.061
Use #221635 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.