#221845
Closest named color: Dark Indigo (#1F0954). oklch(25% 0.081 289.4), rgb(34, 24, 69).
Aa
White text reads best on this color (16.34:1).
About this color
#221845 is a very dark, moderately saturated purple. In OKLCH its lightness is 25%, its chroma 0.081 and its hue 289°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Indigo (#1F0954), ΔE 0.043 away. White text reads best on it, at 16.34:1.
| Hue family | Purples |
| Lightness | very dark (25%) |
| Chroma | moderately saturated (0.081) |
| Temperature | cool |
| Nearest name | Dark Indigo (#1F0954) |
| Black text | 1.28:1 |
| White text | 16.34:1 |
Values
| HEX | #221845 |
| RGB | rgb(34, 24, 69) |
| HSL | hsl(253, 48%, 18%) |
| OKLCH | oklch(25% 0.081 289.4) |
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 #221845 | 16.34:1 | AAA | Lc -105.6 | Preferred for body text |
| Black text on #221845 | 1.28:1 | Fails | Lc 0.0 | Not readable |
| #221845 text on white | 16.34:1 | AAA | Lc 103.1 | Preferred for body text |
| #221845 text on black | 1.28:1 | 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
#E9E7FC
oklch(93.6% 0.028 290.2)
-
Step 200
200
#D8D4FB
oklch(88.5% 0.053 290)
-
Step 300
300
#BFB7FB
oklch(81% 0.095 289.5)
-
Step 400
400
#9F8EF9
oklch(70.7% 0.153 289.2)
-
Step 500
500
#8A6DF6
oklch(63.1% 0.197 289.3)
-
Step 600
600
#7650E4
oklch(55.5% 0.213 289.4)
-
Step 700
700
#643FC7
oklch(49.1% 0.199 289.5)
-
Step 800
800
#5135A1
oklch(42.7% 0.165 289.4)
-
Step 900
900
#43307F
oklch(37.7% 0.128 290)
-
Step 950
950 (this color)
#221845
oklch(25% 0.081 289.4)
#221845 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) | #002146 | 0.049 |
| Deuteranopia (no green cones) | #011F44 | 0.047 |
| Tritanopia (no blue cones) | #17222B | 0.067 |
| Achromatopsia (no color) | #202020 | 0.081 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #221845
#221845
oklch(25% 0.081 289.4)
- #242300
#242300
oklch(24.9% 0.054 108.1)
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 #221845, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Indigo #1F0954 ΔE 0.043
- Oxford Blue #1B263B ΔE 0.051
- Dark Purple #35063E ΔE 0.055
- Midnight Purple #280137 ΔE 0.060
- Dark #1B2431 ΔE 0.060
- Navy Blue #001146 ΔE 0.062
- Deep Purple #36013F ΔE 0.062
- Very Dark Purple #2A0134 ΔE 0.063
Use #221845 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.