#211523
Closest named color: Rich Black (#0D1B2A). oklch(21.8% 0.032 321.6), rgb(33, 21, 35).
Aa
White text reads best on this color (17.55:1).
About this color
#211523 is a very dark, muted purple. In OKLCH its lightness is 22%, its chroma 0.032 and its hue 322°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.039 away. White text reads best on it, at 17.55:1.
| Hue family | Purples |
| Lightness | very dark (22%) |
| Chroma | muted (0.032) |
| Temperature | in between |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.19:1 |
| White text | 17.55:1 |
Values
| HEX | #211523 |
| RGB | rgb(33, 21, 35) |
| HSL | hsl(291, 25%, 11%) |
| OKLCH | oklch(21.8% 0.032 321.6) |
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 #211523 | 17.55:1 | AAA | Lc -106.6 | Preferred for body text |
| Black text on #211523 | 1.19:1 | Fails | Lc 0.0 | Not readable |
| #211523 text on white | 17.55:1 | AAA | Lc 104.3 | Preferred for body text |
| #211523 text on black | 1.19:1 | 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
#F7F4F7
oklch(97% 0.005 325.6)
-
Step 100
100
#EDE8EE
oklch(93.7% 0.01 320.5)
-
Step 200
200
#E0D5E2
oklch(88.6% 0.021 321)
-
Step 300
300
#CDB9D0
oklch(81% 0.039 321.8)
-
Step 400
400
#B394B8
oklch(70.6% 0.062 321.6)
-
Step 500
500
#A07AA6
oklch(63.2% 0.078 321.8)
-
Step 600
600
#8A6291
oklch(55.5% 0.085 321.4)
-
Step 700
700
#75517B
oklch(49% 0.078 321.6)
-
Step 800
800
#604364
oklch(42.8% 0.064 322.4)
-
Step 900
900
#4E3952
oklch(37.8% 0.05 321)
-
Step 950
950 (this color)
#211523
oklch(21.8% 0.032 321.6)
#211523 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) | #141824 | 0.027 |
| Deuteranopia (no green cones) | #161A23 | 0.026 |
| Tritanopia (no blue cones) | #21161A | 0.019 |
| Achromatopsia (no color) | #191919 | 0.032 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #211523
#211523
oklch(21.8% 0.032 321.6)
- #111E10
#111E10
oklch(21.8% 0.032 142.7)
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 #211523, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.039
- Dark #1B2431 ΔE 0.051
- Jet #212529 ΔE 0.054
- Oxford Blue #1B263B ΔE 0.064
- Very Dark Purple #2A0134 ΔE 0.067
- Rich Navy #001219 ΔE 0.069
- Midnight Purple #280137 ΔE 0.070
- Eggplant #380835 ΔE 0.070
Use #211523 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.