#21165E
Closest named color: Dark Indigo (#1F0954). oklch(27% 0.121 281.6), rgb(33, 22, 94).
Aa
White text reads best on this color (15.65:1).
About this color
#21165E is a dark, moderately saturated purple. In OKLCH its lightness is 27%, its chroma 0.121 and its hue 282°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Indigo (#1F0954), ΔE 0.032 away. White text reads best on it, at 15.65:1.
| Hue family | Purples |
| Lightness | dark (27%) |
| Chroma | moderately saturated (0.121) |
| Temperature | cool |
| Nearest name | Dark Indigo (#1F0954) |
| Black text | 1.34:1 |
| White text | 15.65:1 |
Values
| HEX | #21165E |
| RGB | rgb(33, 22, 94) |
| HSL | hsl(249, 62%, 23%) |
| OKLCH | oklch(27% 0.121 281.6) |
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 #21165E | 15.65:1 | AAA | Lc -104.9 | Preferred for body text |
| Black text on #21165E | 1.34:1 | Fails | Lc 0.0 | Not readable |
| #21165E text on white | 15.65:1 | AAA | Lc 102.1 | Preferred for body text |
| #21165E text on black | 1.34:1 | 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
#F4F5FF
oklch(97.2% 0.013 281.6)
-
Step 100
100
#E6E8FF
oklch(93.6% 0.031 281.8)
-
Step 200
200
#D2D5FF
oklch(88.4% 0.058 281.9)
-
Step 300
300
#B6B9FF
oklch(80.9% 0.099 282.1)
-
Step 400
400
#9292FF
oklch(70.8% 0.157 281.6)
-
Step 500
500
#7A71FF
oklch(63.1% 0.204 281.7)
-
Step 600
600
#664AFF
oklch(55.6% 0.252 281.4)
-
Step 700
700
#5A00FD
oklch(49.1% 0.293 281.8)
-
Step 800
800
#4812CD
oklch(42.7% 0.245 281.5)
-
Step 900
900
#3A20A1
oklch(37.7% 0.19 281.4)
-
Step 950
950 (this color)
#21165E
oklch(27% 0.121 281.6)
#21165E 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) | #002660 | 0.049 |
| Deuteranopia (no green cones) | #00215D | 0.043 |
| Tritanopia (no blue cones) | #002A38 | 0.101 |
| Achromatopsia (no color) | #232323 | 0.121 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #21165E
#21165E
oklch(27% 0.121 281.6)
- #2C2700
#2C2700
oklch(27% 0.057 102.1)
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 #21165E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Indigo #1F0954 ΔE 0.032
- Midnight Blue #191970 ΔE 0.036
- Darkblue #030764 ΔE 0.058
- Dark Royal Blue #02066F ΔE 0.062
- Marine #042E60 ΔE 0.065
- Deep Blue #040273 ΔE 0.066
- Navy Blue #001146 ΔE 0.072
- Dark Purple #35063E ΔE 0.080
Use #21165E 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.