#13192B
Closest named color: Rich Black (#0D1B2A). oklch(21.7% 0.037 269.2), rgb(19, 25, 43).
Aa
White text reads best on this color (17.47:1).
About this color
#13192B is a very dark, muted blue. In OKLCH its lightness is 22%, its chroma 0.037 and its hue 269°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.011 away. White text reads best on it, at 17.47:1.
| Hue family | Blues |
| Lightness | very dark (22%) |
| Chroma | muted (0.037) |
| Temperature | cool |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.20:1 |
| White text | 17.47:1 |
Values
| HEX | #13192B |
| RGB | rgb(19, 25, 43) |
| HSL | hsl(225, 39%, 12%) |
| OKLCH | oklch(21.7% 0.037 269.2) |
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 #13192B | 17.47:1 | AAA | Lc -106.6 | Preferred for body text |
| Black text on #13192B | 1.20:1 | Fails | Lc 0.0 | Not readable |
| #13192B text on white | 17.47:1 | AAA | Lc 104.3 | Preferred for body text |
| #13192B text on black | 1.20:1 | 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
#F4F5F9
oklch(97.1% 0.005 275)
-
Step 100
100
#E6EAF3
oklch(93.7% 0.013 266.7)
-
Step 200
200
#D2D9EA
oklch(88.5% 0.025 267.9)
-
Step 300
300
#B5C0DE
oklch(80.9% 0.044 269.5)
-
Step 400
400
#8F9FCD
oklch(70.7% 0.07 269.7)
-
Step 500
500
#7487C0
oklch(63.1% 0.089 269.6)
-
Step 600
600
#5C70AC
oklch(55.5% 0.097 269.1)
-
Step 700
700
#4C5E94
oklch(49.2% 0.09 269)
-
Step 800
800
#3E4D78
oklch(42.8% 0.074 268.5)
-
Step 900
900
#354061
oklch(37.7% 0.059 269.4)
-
Step 950
950 (this color)
#13192B
oklch(21.7% 0.037 269.2)
#13192B 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) | #121B2C | 0.007 |
| Deuteranopia (no green cones) | #10192B | 0.005 |
| Tritanopia (no blue cones) | #0A1D20 | 0.033 |
| Achromatopsia (no color) | #1A1A1A | 0.037 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #13192B
#13192B
oklch(21.7% 0.037 269.2)
- #211904
#211904
oklch(21.8% 0.037 89.1)
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 #13192B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.011
- Dark #1B2431 ΔE 0.042
- Oxford Blue #1B263B ΔE 0.052
- Jet #212529 ΔE 0.053
- Rich Navy #001219 ΔE 0.055
- Navy Blue #001146 ΔE 0.066
- Almost Black #070D0D ΔE 0.074
- Midnight Purple #280137 ΔE 0.080
Use #13192B 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.