#181125
Closest named color: Rich Black (#0D1B2A). oklch(19.8% 0.04 298.8), rgb(24, 17, 37).
Aa
White text reads best on this color (18.32:1).
About this color
#181125 is a very dark, muted purple. In OKLCH its lightness is 20%, its chroma 0.040 and its hue 299°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.037 away. White text reads best on it, at 18.32:1.
| Hue family | Purples |
| Lightness | very dark (20%) |
| Chroma | muted (0.040) |
| Temperature | in between |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.14:1 |
| White text | 18.32:1 |
Values
| HEX | #181125 |
| RGB | rgb(24, 17, 37) |
| HSL | hsl(261, 37%, 11%) |
| OKLCH | oklch(19.8% 0.04 298.8) |
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 #181125 | 18.32:1 | AAA | Lc -107.1 | Preferred for body text |
| Black text on #181125 | 1.14:1 | Fails | Lc 0.0 | Not readable |
| #181125 text on white | 18.32:1 | AAA | Lc 104.9 | Preferred for body text |
| #181125 text on black | 1.14:1 | 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
#F6F5F9
oklch(97.2% 0.005 297.7)
-
Step 100
100
#EBE8F2
oklch(93.6% 0.014 299.8)
-
Step 200
200
#DBD6E9
oklch(88.6% 0.026 297.9)
-
Step 300
300
#C4BADC
oklch(80.8% 0.048 298.8)
-
Step 400
400
#A796CA
oklch(70.6% 0.077 299.4)
-
Step 500
500
#917CBC
oklch(63% 0.097 298.7)
-
Step 600
600
#7C64A8
oklch(55.5% 0.106 299.2)
-
Step 700
700
#685390
oklch(49% 0.098 298.6)
-
Step 800
800
#554475
oklch(42.6% 0.081 298.9)
-
Step 900
900
#463A5F
oklch(37.8% 0.063 298.2)
-
Step 950
950 (this color)
#181125
oklch(19.8% 0.04 298.8)
#181125 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) | #0B1526 | 0.026 |
| Deuteranopia (no green cones) | #0D1424 | 0.023 |
| Tritanopia (no blue cones) | #151419 | 0.030 |
| Achromatopsia (no color) | #151515 | 0.040 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #181125
#181125
oklch(19.8% 0.04 298.8)
- #141803
#141803
oklch(19.9% 0.039 118.4)
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 #181125, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.037
- Rich Navy #001219 ΔE 0.053
- Almost Black #070D0D ΔE 0.063
- Very Dark Purple #2A0134 ΔE 0.064
- Midnight Purple #280137 ΔE 0.064
- Dark #1B2431 ΔE 0.066
- Jet #212529 ΔE 0.073
- Navy Blue #001146 ΔE 0.075
Use #181125 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.