#19182F
Closest named color: Rich Black (#0D1B2A). oklch(22.3% 0.044 284.2), rgb(25, 24, 47).
Aa
White text reads best on this color (17.31:1).
About this color
#19182F is a very dark, muted purple. In OKLCH its lightness is 22%, its chroma 0.044 and its hue 284°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.025 away. White text reads best on it, at 17.31:1.
| Hue family | Purples |
| Lightness | very dark (22%) |
| Chroma | muted (0.044) |
| Temperature | cool |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.21:1 |
| White text | 17.31:1 |
Values
| HEX | #19182F |
| RGB | rgb(25, 24, 47) |
| HSL | hsl(243, 32%, 14%) |
| OKLCH | oklch(22.3% 0.044 284.2) |
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 #19182F | 17.31:1 | AAA | Lc -106.4 | Preferred for body text |
| Black text on #19182F | 1.21:1 | Fails | Lc 0.0 | Not readable |
| #19182F text on white | 17.31:1 | AAA | Lc 104.1 | Preferred for body text |
| #19182F text on black | 1.21:1 | 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
#F5F5FA
oklch(97.2% 0.007 286.3)
-
Step 100
100
#E8E9F4
oklch(93.6% 0.015 281.9)
-
Step 200
200
#D6D7EC
oklch(88.5% 0.029 283.6)
-
Step 300
300
#BCBDE2
oklch(81% 0.052 284)
-
Step 400
400
#9A9AD3
oklch(70.7% 0.083 284.1)
-
Step 500
500
#8280C8
oklch(63.1% 0.107 284.2)
-
Step 600
600
#6C68B4
oklch(55.5% 0.116 284.3)
-
Step 700
700
#5A569B
oklch(49% 0.108 284.3)
-
Step 800
800
#4A477E
oklch(42.7% 0.09 284.4)
-
Step 900
900
#3D3C65
oklch(37.7% 0.069 283.7)
-
Step 950
950 (this color)
#19182F
oklch(22.3% 0.044 284.2)
#19182F 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) | #101B30 | 0.017 |
| Deuteranopia (no green cones) | #0F1A2E | 0.018 |
| Tritanopia (no blue cones) | #131C21 | 0.036 |
| Achromatopsia (no color) | #1B1B1B | 0.044 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #19182F
#19182F
oklch(22.3% 0.044 284.2)
- #1F1C02
#1F1C02
oklch(22.3% 0.043 103.3)
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 #19182F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.025
- Dark #1B2431 ΔE 0.042
- Oxford Blue #1B263B ΔE 0.049
- Jet #212529 ΔE 0.054
- Navy Blue #001146 ΔE 0.064
- Rich Navy #001219 ΔE 0.067
- Midnight Purple #280137 ΔE 0.068
- Very Dark Purple #2A0134 ΔE 0.068
Use #19182F 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.