#221642
Closest named color: Dark Indigo (#1F0954). oklch(24.3% 0.08 292), rgb(34, 22, 66).
Aa
White text reads best on this color (16.64:1).
About this color
#221642 is a very dark, moderately saturated purple. In OKLCH its lightness is 24%, its chroma 0.080 and its hue 292°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Indigo (#1F0954), ΔE 0.043 away. White text reads best on it, at 16.64:1.
| Hue family | Purples |
| Lightness | very dark (24%) |
| Chroma | moderately saturated (0.080) |
| Temperature | in between |
| Nearest name | Dark Indigo (#1F0954) |
| Black text | 1.26:1 |
| White text | 16.64:1 |
Values
| HEX | #221642 |
| RGB | rgb(34, 22, 66) |
| HSL | hsl(256, 50%, 17%) |
| OKLCH | oklch(24.3% 0.08 292) |
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 #221642 | 16.64:1 | AAA | Lc -105.9 | Preferred for body text |
| Black text on #221642 | 1.26:1 | Fails | Lc 0.0 | Not readable |
| #221642 text on white | 16.64:1 | AAA | Lc 103.4 | Preferred for body text |
| #221642 text on black | 1.26:1 | 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
#F5F4FE
oklch(97.1% 0.013 290.8)
-
Step 100
100
#EAE7FB
oklch(93.6% 0.027 292.8)
-
Step 200
200
#D9D4FA
oklch(88.6% 0.052 291.3)
-
Step 300
300
#C1B6F9
oklch(80.9% 0.094 291.7)
-
Step 400
400
#A38DF6
oklch(70.7% 0.151 291.7)
-
Step 500
500
#8F6CF2
oklch(63.1% 0.193 292)
-
Step 600
600
#7B4FE1
oklch(55.6% 0.21 292)
-
Step 700
700
#683EC3
oklch(49% 0.195 292.1)
-
Step 800
800
#54359E
oklch(42.7% 0.161 291.7)
-
Step 900
900
#45307D
oklch(37.7% 0.125 291.9)
-
Step 950
950 (this color)
#221642
oklch(24.3% 0.08 292)
#221642 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) | #001F43 | 0.051 |
| Deuteranopia (no green cones) | #011D41 | 0.050 |
| Tritanopia (no blue cones) | #192029 | 0.065 |
| Achromatopsia (no color) | #1E1E1E | 0.080 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #221642
#221642
oklch(24.3% 0.08 292)
- #212200
#212200
oklch(24.3% 0.054 111.4)
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 #221642, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Indigo #1F0954 ΔE 0.043
- Dark Purple #35063E ΔE 0.052
- Midnight Purple #280137 ΔE 0.053
- Oxford Blue #1B263B ΔE 0.054
- Very Dark Purple #2A0134 ΔE 0.056
- Deep Purple #36013F ΔE 0.059
- Eggplant #380835 ΔE 0.060
- Dark #1B2431 ΔE 0.061
Use #221642 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.