#13091B
Closest named color: Almost Black (#070D0D). oklch(16.5% 0.039 308.4), rgb(19, 9, 27).
Aa
White text reads best on this color (19.39:1).
About this color
#13091B is a very dark, muted purple. In OKLCH its lightness is 16%, its chroma 0.039 and its hue 308°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Almost Black (#070D0D), ΔE 0.045 away. White text reads best on it, at 19.39:1.
| Hue family | Purples |
| Lightness | very dark (16%) |
| Chroma | muted (0.039) |
| Temperature | in between |
| Nearest name | Almost Black (#070D0D) |
| Black text | 1.08:1 |
| White text | 19.39:1 |
Values
| HEX | #13091B |
| RGB | rgb(19, 9, 27) |
| HSL | hsl(273, 50%, 7%) |
| OKLCH | oklch(16.5% 0.039 308.4) |
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 #13091B | 19.39:1 | AAA | Lc -107.6 | Preferred for body text |
| Black text on #13091B | 1.08:1 | Fails | Lc 0.0 | Not readable |
| #13091B text on white | 19.39:1 | AAA | Lc 105.6 | Preferred for body text |
| #13091B text on black | 1.08:1 | 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
#F6F4F9
oklch(97% 0.007 304.2)
-
Step 100
100
#ECE8F1
oklch(93.7% 0.013 306)
-
Step 200
200
#DED5E7
oklch(88.6% 0.026 308.1)
-
Step 300
300
#C9B9D8
oklch(80.9% 0.046 308.5)
-
Step 400
400
#AE94C4
oklch(70.6% 0.074 309.1)
-
Step 500
500
#9A7AB5
oklch(63.2% 0.093 308.7)
-
Step 600
600
#8462A1
oklch(55.6% 0.102 308.2)
-
Step 700
700
#70518A
oklch(49.1% 0.095 308.3)
-
Step 800
800
#5B4270
oklch(42.6% 0.08 308.3)
-
Step 900
900
#4B385B
oklch(37.7% 0.063 308.5)
-
Step 950
950 (this color)
#13091B
oklch(16.5% 0.039 308.4)
#13091B 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) | #050D1C | 0.031 |
| Deuteranopia (no green cones) | #070D1B | 0.027 |
| Tritanopia (no blue cones) | #120C10 | 0.029 |
| Achromatopsia (no color) | #0D0D0D | 0.039 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #13091B
#13091B
oklch(16.5% 0.039 308.4)
- #091101
#091101
oklch(16.4% 0.039 128.2)
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 #13091B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Almost Black #070D0D ΔE 0.045
- Rich Navy #001219 ΔE 0.048
- Rich Black #0D1B2A ΔE 0.064
- Very Dark Brown #1D0200 ΔE 0.066
- Midnight #03012D ΔE 0.066
- Dark Navy Blue #00022E ΔE 0.071
- Dark Navy #000435 ΔE 0.073
- Very Dark Purple #2A0134 ΔE 0.076
Use #13091B 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.