#18132D
Closest named color: Rich Black (#0D1B2A). oklch(20.8% 0.05 290.2), rgb(24, 19, 45).
Aa
White text reads best on this color (17.95:1).
About this color
#18132D is a very dark, muted purple. In OKLCH its lightness is 21%, its chroma 0.050 and its hue 290°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.033 away. White text reads best on it, at 17.95:1.
| Hue family | Purples |
| Lightness | very dark (21%) |
| Chroma | muted (0.050) |
| Temperature | in between |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.16:1 |
| White text | 17.95:1 |
Values
| HEX | #18132D |
| RGB | rgb(24, 19, 45) |
| HSL | hsl(252, 41%, 13%) |
| OKLCH | oklch(20.8% 0.05 290.2) |
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 #18132D | 17.95:1 | AAA | Lc -106.8 | Preferred for body text |
| Black text on #18132D | 1.16:1 | Fails | Lc 0.0 | Not readable |
| #18132D text on white | 17.95:1 | AAA | Lc 104.6 | Preferred for body text |
| #18132D text on black | 1.16:1 | 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
#F5F5FB
oklch(97.2% 0.008 286.3)
-
Step 100
100
#E9E8F5
oklch(93.6% 0.017 289.6)
-
Step 200
200
#D8D6EE
oklch(88.5% 0.033 289.5)
-
Step 300
300
#BFBBE5
oklch(80.9% 0.059 289.4)
-
Step 400
400
#A096D8
oklch(70.6% 0.096 290.7)
-
Step 500
500
#897BCE
oklch(63.1% 0.123 290.2)
-
Step 600
600
#7463BA
oklch(55.6% 0.132 290.4)
-
Step 700
700
#6152A1
oklch(49.2% 0.123 289.8)
-
Step 800
800
#4F4382
oklch(42.6% 0.102 290.1)
-
Step 900
900
#423968
oklch(37.7% 0.079 290.9)
-
Step 950
950 (this color)
#18132D
oklch(20.8% 0.05 290.2)
#18132D 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) | #09172E | 0.026 |
| Deuteranopia (no green cones) | #0A162C | 0.025 |
| Tritanopia (no blue cones) | #12181D | 0.042 |
| Achromatopsia (no color) | #171717 | 0.050 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #18132D
#18132D
oklch(20.8% 0.05 290.2)
- #191900
#191900
oklch(20.7% 0.045 109.8)
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 #18132D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.033
- Dark #1B2431 ΔE 0.058
- Midnight Purple #280137 ΔE 0.059
- Very Dark Purple #2A0134 ΔE 0.060
- Rich Navy #001219 ΔE 0.062
- Navy Blue #001146 ΔE 0.062
- Oxford Blue #1B263B ΔE 0.065
- Jet #212529 ΔE 0.069
Use #18132D 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.