#211734
Closest named color: Rich Black (#0D1B2A). oklch(23.3% 0.055 297.9), rgb(33, 23, 52).
Aa
White text reads best on this color (16.97:1).
About this color
#211734 is a very dark, muted purple. In OKLCH its lightness is 23%, its chroma 0.055 and its hue 298°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.043 away. White text reads best on it, at 16.97:1.
| Hue family | Purples |
| Lightness | very dark (23%) |
| Chroma | muted (0.055) |
| Temperature | in between |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.23:1 |
| White text | 16.97:1 |
Values
| HEX | #211734 |
| RGB | rgb(33, 23, 52) |
| HSL | hsl(261, 39%, 15%) |
| OKLCH | oklch(23.3% 0.055 297.9) |
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 #211734 | 16.97:1 | AAA | Lc -106.2 | Preferred for body text |
| Black text on #211734 | 1.23:1 | Fails | Lc 0.0 | Not readable |
| #211734 text on white | 16.97:1 | AAA | Lc 103.8 | Preferred for body text |
| #211734 text on black | 1.23:1 | 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
#F6F4FB
oklch(97.1% 0.009 299.2)
-
Step 100
100
#EBE7F5
oklch(93.5% 0.019 299.1)
-
Step 200
200
#DBD4EF
oklch(88.4% 0.037 297.5)
-
Step 300
300
#C5B8E6
oklch(80.9% 0.065 297.9)
-
Step 400
400
#A892DA
oklch(70.7% 0.106 297.7)
-
Step 500
500
#9476CF
oklch(63.2% 0.133 298)
-
Step 600
600
#7F5DBC
oklch(55.7% 0.145 298.1)
-
Step 700
700
#6B4CA2
oklch(49.1% 0.135 297.9)
-
Step 800
800
#573F83
oklch(42.7% 0.111 297.8)
-
Step 900
900
#483669
oklch(37.8% 0.086 298.5)
-
Step 950
950 (this color)
#211734
oklch(23.3% 0.055 297.9)
#211734 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) | #0E1C35 | 0.034 |
| Deuteranopia (no green cones) | #101C33 | 0.033 |
| Tritanopia (no blue cones) | #1D1C23 | 0.042 |
| Achromatopsia (no color) | #1C1C1C | 0.056 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #211734
#211734
oklch(23.3% 0.055 297.9)
- #1C2100
#1C2100
oklch(23.4% 0.054 117.7)
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 #211734, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.043
- Dark #1B2431 ΔE 0.046
- Oxford Blue #1B263B ΔE 0.048
- Midnight Purple #280137 ΔE 0.056
- Very Dark Purple #2A0134 ΔE 0.056
- Jet #212529 ΔE 0.057
- Eggplant #380835 ΔE 0.059
- Dark Purple #35063E ΔE 0.059
Use #211734 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.