#13112B
Closest named color: Rich Black (#0D1B2A). oklch(19.6% 0.051 284.2), rgb(19, 17, 43).
Aa
White text reads best on this color (18.37:1).
About this color
#13112B is a very dark, muted purple. In OKLCH its lightness is 20%, its chroma 0.051 and its hue 284°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.036 away. White text reads best on it, at 18.37:1.
| Hue family | Purples |
| Lightness | very dark (20%) |
| Chroma | muted (0.051) |
| Temperature | cool |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.14:1 |
| White text | 18.37:1 |
Values
| HEX | #13112B |
| RGB | rgb(19, 17, 43) |
| HSL | hsl(245, 43%, 12%) |
| OKLCH | oklch(19.6% 0.051 284.2) |
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 #13112B | 18.37:1 | AAA | Lc -107.1 | Preferred for body text |
| Black text on #13112B | 1.14:1 | Fails | Lc 0.0 | Not readable |
| #13112B text on white | 18.37:1 | AAA | Lc 104.9 | Preferred for body text |
| #13112B 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
#F5F5FB
oklch(97.2% 0.008 286.3)
-
Step 100
100
#E8E9F5
oklch(93.7% 0.016 282.3)
-
Step 200
200
#D6D7EF
oklch(88.6% 0.033 283.8)
-
Step 300
300
#BBBCE7
oklch(80.9% 0.06 283.9)
-
Step 400
400
#9998DB
oklch(70.6% 0.097 284.3)
-
Step 500
500
#817ED1
oklch(63.1% 0.123 283.9)
-
Step 600
600
#6B66BE
oklch(55.6% 0.133 283.7)
-
Step 700
700
#5A54A4
oklch(49.1% 0.125 284.2)
-
Step 800
800
#494585
oklch(42.7% 0.104 283.9)
-
Step 900
900
#3D3B6A
oklch(37.8% 0.079 283.9)
-
Step 950
950 (this color)
#13112B
oklch(19.6% 0.051 284.2)
#13112B 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) | #06152C | 0.023 |
| Deuteranopia (no green cones) | #06132A | 0.022 |
| Tritanopia (no blue cones) | #0B161B | 0.043 |
| Achromatopsia (no color) | #141414 | 0.051 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #13112B
#13112B
oklch(19.6% 0.051 284.2)
- #181600
#181600
oklch(19.6% 0.042 105.3)
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 #13112B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.036
- Rich Navy #001219 ΔE 0.053
- Navy Blue #001146 ΔE 0.060
- Dark Navy #000435 ΔE 0.063
- Midnight Purple #280137 ΔE 0.064
- Very Dark Purple #2A0134 ΔE 0.065
- Midnight #03012D ΔE 0.068
- Almost Black #070D0D ΔE 0.068
Use #13112B 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.