#211841
Closest named color: Dark Indigo (#1F0954). oklch(24.5% 0.075 289.9), rgb(33, 24, 65).
Aa
White text reads best on this color (16.51:1).
About this color
#211841 is a very dark, moderately saturated purple. In OKLCH its lightness is 25%, its chroma 0.075 and its hue 290°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Indigo (#1F0954), ΔE 0.048 away. White text reads best on it, at 16.51:1.
| Hue family | Purples |
| Lightness | very dark (25%) |
| Chroma | moderately saturated (0.075) |
| Temperature | cool |
| Nearest name | Dark Indigo (#1F0954) |
| Black text | 1.27:1 |
| White text | 16.51:1 |
Values
| HEX | #211841 |
| RGB | rgb(33, 24, 65) |
| HSL | hsl(253, 46%, 17%) |
| OKLCH | oklch(24.5% 0.075 289.9) |
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 #211841 | 16.51:1 | AAA | Lc -105.8 | Preferred for body text |
| Black text on #211841 | 1.27:1 | Fails | Lc 0.0 | Not readable |
| #211841 text on white | 16.51:1 | AAA | Lc 103.3 | Preferred for body text |
| #211841 text on black | 1.27:1 | 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
#F5F4FD
oklch(97% 0.012 291.3)
-
Step 100
100
#E9E7FA
oklch(93.5% 0.026 290.7)
-
Step 200
200
#D8D4F8
oklch(88.4% 0.049 290.4)
-
Step 300
300
#BFB7F6
oklch(80.8% 0.088 290.1)
-
Step 400
400
#A090F2
oklch(70.8% 0.141 289.8)
-
Step 500
500
#8B70ED
oklch(63.1% 0.181 290.2)
-
Step 600
600
#7655DC
oklch(55.7% 0.196 289.7)
-
Step 700
700
#6444BF
oklch(49.2% 0.183 290)
-
Step 800
800
#51399A
oklch(42.7% 0.151 289.9)
-
Step 900
900
#43327B
oklch(37.7% 0.119 290.2)
-
Step 950
950 (this color)
#211841
oklch(24.5% 0.075 289.9)
#211841 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) | #042042 | 0.044 |
| Deuteranopia (no green cones) | #051E40 | 0.042 |
| Tritanopia (no blue cones) | #182129 | 0.062 |
| Achromatopsia (no color) | #1F1F1F | 0.075 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #211841
#211841
oklch(24.5% 0.075 289.9)
- #222200
#222200
oklch(24.4% 0.053 109.8)
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 #211841, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Indigo #1F0954 ΔE 0.048
- Oxford Blue #1B263B ΔE 0.048
- Dark #1B2431 ΔE 0.055
- Dark Purple #35063E ΔE 0.056
- Midnight Purple #280137 ΔE 0.058
- Rich Black #0D1B2A ΔE 0.059
- Very Dark Purple #2A0134 ΔE 0.061
- Navy Blue #001146 ΔE 0.061
Use #211841 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.