#28192B
Closest named color: Dark (#1B2431). oklch(24.1% 0.04 320.7), rgb(40, 25, 43).
Aa
White text reads best on this color (16.61:1).
About this color
#28192B is a very dark, muted purple. In OKLCH its lightness is 24%, its chroma 0.040 and its hue 321°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark (#1B2431), ΔE 0.041 away. White text reads best on it, at 16.61:1.
| Hue family | Purples |
| Lightness | very dark (24%) |
| Chroma | muted (0.040) |
| Temperature | in between |
| Nearest name | Dark (#1B2431) |
| Black text | 1.26:1 |
| White text | 16.61:1 |
Values
| HEX | #28192B |
| RGB | rgb(40, 25, 43) |
| HSL | hsl(290, 26%, 13%) |
| OKLCH | oklch(24.1% 0.04 320.7) |
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 #28192B | 16.61:1 | AAA | Lc -105.9 | Preferred for body text |
| Black text on #28192B | 1.26:1 | Fails | Lc 0.0 | Not readable |
| #28192B text on white | 16.61:1 | AAA | Lc 103.5 | Preferred for body text |
| #28192B text on black | 1.26:1 | 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
#F7F4F8
oklch(97.1% 0.006 317.8)
-
Step 100
100
#EEE7EF
oklch(93.6% 0.013 321.9)
-
Step 200
200
#E1D4E4
oklch(88.5% 0.026 319.9)
-
Step 300
300
#CFB7D4
oklch(80.9% 0.048 320.4)
-
Step 400
400
#B692BE
oklch(70.8% 0.075 320.1)
-
Step 500
500
#A476AD
oklch(63.1% 0.096 320.8)
-
Step 600
600
#8F5E99
oklch(55.7% 0.105 320.6)
-
Step 700
700
#794D82
oklch(49% 0.097 320.6)
-
Step 800
800
#633F6A
oklch(42.7% 0.082 320.9)
-
Step 900
900
#513656
oklch(37.7% 0.063 321.1)
-
Step 950
950 (this color)
#28192B
oklch(24.1% 0.04 320.7)
#28192B 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) | #171D2C | 0.034 |
| Deuteranopia (no green cones) | #1B1F2A | 0.031 |
| Tritanopia (no blue cones) | #281B20 | 0.024 |
| Achromatopsia (no color) | #1E1E1E | 0.040 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #28192B
#28192B
oklch(24.1% 0.04 320.7)
- #152412
#152412
oklch(24.1% 0.039 140.3)
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 #28192B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark #1B2431 ΔE 0.041
- Jet #212529 ΔE 0.043
- Oxford Blue #1B263B ΔE 0.049
- Rich Black #0D1B2A ΔE 0.049
- Eggplant #380835 ΔE 0.057
- Aubergine #3D0734 ΔE 0.063
- Dark Purple #35063E ΔE 0.065
- Very Dark Purple #2A0134 ΔE 0.067
Use #28192B 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.