#211748
Closest named color: Dark Indigo (#1F0954). oklch(25% 0.087 287.7), rgb(33, 23, 72).
Aa
White text reads best on this color (16.39:1).
About this color
#211748 is a very dark, moderately saturated purple. In OKLCH its lightness is 25%, its chroma 0.087 and its hue 288°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Indigo (#1F0954), ΔE 0.036 away. White text reads best on it, at 16.39:1.
| Hue family | Purples |
| Lightness | very dark (25%) |
| Chroma | moderately saturated (0.087) |
| Temperature | cool |
| Nearest name | Dark Indigo (#1F0954) |
| Black text | 1.28:1 |
| White text | 16.39:1 |
Values
| HEX | #211748 |
| RGB | rgb(33, 23, 72) |
| HSL | hsl(252, 52%, 19%) |
| OKLCH | oklch(25% 0.087 287.7) |
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 #211748 | 16.39:1 | AAA | Lc -105.6 | Preferred for body text |
| Black text on #211748 | 1.28:1 | Fails | Lc 0.0 | Not readable |
| #211748 text on white | 16.39:1 | AAA | Lc 103.1 | Preferred for body text |
| #211748 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
#F5F4FF
oklch(97.1% 0.015 290.3)
-
Step 100
100
#E8E7FD
oklch(93.5% 0.03 287.9)
-
Step 200
200
#D6D4FE
oklch(88.5% 0.058 287.3)
-
Step 300
300
#BDB7FF
oklch(81% 0.101 287.7)
-
Step 400
400
#9D8DFF
oklch(70.7% 0.163 287.9)
-
Step 500
500
#886BFF
oklch(63.2% 0.21 287.8)
-
Step 600
600
#744CEE
oklch(55.6% 0.229 287.9)
-
Step 700
700
#623BD0
oklch(49.2% 0.214 287.8)
-
Step 800
800
#4F32A8
oklch(42.6% 0.178 287.6)
-
Step 900
900
#412E85
oklch(37.6% 0.139 287.9)
-
Step 950
950 (this color)
#211748
oklch(25% 0.087 287.7)
#211748 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) | #00214A | 0.048 |
| Deuteranopia (no green cones) | #001E47 | 0.047 |
| Tritanopia (no blue cones) | #14222C | 0.072 |
| Achromatopsia (no color) | #1F1F1F | 0.088 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #211748
#211748
oklch(25% 0.087 287.7)
- #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 #211748, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Indigo #1F0954 ΔE 0.036
- Oxford Blue #1B263B ΔE 0.056
- Dark Purple #35063E ΔE 0.057
- Navy Blue #001146 ΔE 0.059
- Midnight Purple #280137 ΔE 0.060
- Deep Purple #36013F ΔE 0.063
- Very Dark Purple #2A0134 ΔE 0.064
- Dark #1B2431 ΔE 0.065
Use #211748 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.