#191428
Closest named color: Rich Black (#0D1B2A). oklch(20.8% 0.039 294.2), rgb(25, 20, 40).
Aa
White text reads best on this color (17.91:1).
About this color
#191428 is a very dark, muted purple. In OKLCH its lightness is 21%, its chroma 0.039 and its hue 294°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.029 away. White text reads best on it, at 17.91:1.
| Hue family | Purples |
| Lightness | very dark (21%) |
| Chroma | muted (0.039) |
| Temperature | in between |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.17:1 |
| White text | 17.91:1 |
Values
| HEX | #191428 |
| RGB | rgb(25, 20, 40) |
| HSL | hsl(255, 33%, 12%) |
| OKLCH | oklch(20.8% 0.039 294.2) |
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 #191428 | 17.91:1 | AAA | Lc -106.8 | Preferred for body text |
| Black text on #191428 | 1.17:1 | Fails | Lc 0.0 | Not readable |
| #191428 text on white | 17.91:1 | AAA | Lc 104.6 | Preferred for body text |
| #191428 text on black | 1.17:1 | 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
#F5F5F9
oklch(97.1% 0.005 286.3)
-
Step 100
100
#EAE8F2
oklch(93.5% 0.014 295.3)
-
Step 200
200
#DAD6E9
oklch(88.5% 0.026 295.5)
-
Step 300
300
#C2BBDC
oklch(80.8% 0.047 295.1)
-
Step 400
400
#A398CB
oklch(70.7% 0.074 294.3)
-
Step 500
500
#8D7EBD
oklch(63.1% 0.094 294.5)
-
Step 600
600
#7766AA
oklch(55.5% 0.105 294.2)
-
Step 700
700
#645592
oklch(49.1% 0.096 293.9)
-
Step 800
800
#524676
oklch(42.8% 0.079 294.3)
-
Step 900
900
#443B5F
oklch(37.8% 0.061 294.8)
-
Step 950
950 (this color)
#191428
oklch(20.8% 0.039 294.2)
#191428 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) | #0E1729 | 0.021 |
| Deuteranopia (no green cones) | #0F1727 | 0.020 |
| Tritanopia (no blue cones) | #16181C | 0.032 |
| Achromatopsia (no color) | #171717 | 0.039 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #191428
#191428
oklch(20.8% 0.039 294.2)
- #181A04
#181A04
oklch(20.9% 0.039 113.9)
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 #191428, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.029
- Dark #1B2431 ΔE 0.055
- Rich Navy #001219 ΔE 0.057
- Jet #212529 ΔE 0.063
- Oxford Blue #1B263B ΔE 0.065
- Very Dark Purple #2A0134 ΔE 0.065
- Midnight Purple #280137 ΔE 0.065
- Almost Black #070D0D ΔE 0.070
Use #191428 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.