#21192E
Closest named color: Rich Black (#0D1B2A). oklch(23.4% 0.041 300.8), rgb(33, 25, 46).
Aa
White text reads best on this color (16.89:1).
About this color
#21192E is a very dark, muted purple. In OKLCH its lightness is 23%, its chroma 0.041 and its hue 301°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.036 away. White text reads best on it, at 16.89:1.
| Hue family | Purples |
| Lightness | very dark (23%) |
| Chroma | muted (0.041) |
| Temperature | in between |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.24:1 |
| White text | 16.89:1 |
Values
| HEX | #21192E |
| RGB | rgb(33, 25, 46) |
| HSL | hsl(263, 30%, 14%) |
| OKLCH | oklch(23.4% 0.041 300.8) |
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 #21192E | 16.89:1 | AAA | Lc -106.2 | Preferred for body text |
| Black text on #21192E | 1.24:1 | Fails | Lc 0.0 | Not readable |
| #21192E text on white | 16.89:1 | AAA | Lc 103.8 | Preferred for body text |
| #21192E text on black | 1.24:1 | 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
#F6F4F9
oklch(97% 0.007 304.2)
-
Step 100
100
#EBE8F2
oklch(93.6% 0.014 299.8)
-
Step 200
200
#DCD5E9
oklch(88.5% 0.028 301.7)
-
Step 300
300
#C5BADC
oklch(80.9% 0.049 300.1)
-
Step 400
400
#A896CA
oklch(70.7% 0.077 300.3)
-
Step 500
500
#937BBC
oklch(63% 0.099 300.6)
-
Step 600
600
#7E63A8
oklch(55.5% 0.108 301)
-
Step 700
700
#6A5290
oklch(49% 0.1 300.6)
-
Step 800
800
#574375
oklch(42.6% 0.084 301.4)
-
Step 900
900
#47395E
oklch(37.6% 0.064 300.8)
-
Step 950
950 (this color)
#21192E
oklch(23.4% 0.041 300.8)
#21192E 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) | #141D2F | 0.025 |
| Deuteranopia (no green cones) | #151D2D | 0.025 |
| Tritanopia (no blue cones) | #1F1C21 | 0.031 |
| Achromatopsia (no color) | #1D1D1D | 0.041 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #21192E
#21192E
oklch(23.4% 0.041 300.8)
- #1B2109
#1B2109
oklch(23.5% 0.042 121.4)
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 #21192E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.036
- Dark #1B2431 ΔE 0.037
- Oxford Blue #1B263B ΔE 0.045
- Jet #212529 ΔE 0.046
- Eggplant #380835 ΔE 0.064
- Very Dark Purple #2A0134 ΔE 0.066
- Midnight Purple #280137 ΔE 0.066
- Dark Purple #35063E ΔE 0.069
Use #21192E 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.