#0D192C
Closest named color: Rich Black (#0D1B2A). oklch(21.3% 0.042 259.3), rgb(13, 25, 44).
Aa
White text reads best on this color (17.60:1).
About this color
#0D192C is a very dark, muted blue. In OKLCH its lightness is 21%, its chroma 0.042 and its hue 259°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.009 away. White text reads best on it, at 17.60:1.
| Hue family | Blues |
| Lightness | very dark (21%) |
| Chroma | muted (0.042) |
| Temperature | cool |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.19:1 |
| White text | 17.60:1 |
Values
| HEX | #0D192C |
| RGB | rgb(13, 25, 44) |
| HSL | hsl(217, 54%, 11%) |
| OKLCH | oklch(21.3% 0.042 259.3) |
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 #0D192C | 17.60:1 | AAA | Lc -106.6 | Preferred for body text |
| Black text on #0D192C | 1.19:1 | Fails | Lc 0.0 | Not readable |
| #0D192C text on white | 17.60:1 | AAA | Lc 104.4 | Preferred for body text |
| #0D192C text on black | 1.19:1 | 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
#F3F6FA
oklch(97.2% 0.006 255.5)
-
Step 100
100
#E4EAF4
oklch(93.5% 0.015 260.7)
-
Step 200
200
#CFDAEC
oklch(88.5% 0.028 260.3)
-
Step 300
300
#AEC2E1
oklch(80.9% 0.049 259.1)
-
Step 400
400
#83A2D2
oklch(70.7% 0.079 259)
-
Step 500
500
#648AC6
oklch(63% 0.101 259.3)
-
Step 600
600
#4B73B3
oklch(55.6% 0.11 259.4)
-
Step 700
700
#3C609A
oklch(49% 0.102 259.5)
-
Step 800
800
#324F7D
oklch(42.8% 0.084 259.3)
-
Step 900
900
#2C4264
oklch(37.7% 0.065 258.8)
-
Step 950
950 (this color)
#0D192C
oklch(21.3% 0.042 259.3)
#0D192C 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) | #111A2D | 0.008 |
| Deuteranopia (no green cones) | #0D182C | 0.004 |
| Tritanopia (no blue cones) | #001D20 | 0.036 |
| Achromatopsia (no color) | #191919 | 0.042 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0D192C
#0D192C
oklch(21.3% 0.042 259.3)
- #231601
#231601
oklch(21.2% 0.042 78.9)
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 #0D192C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.009
- Dark #1B2431 ΔE 0.047
- Rich Navy #001219 ΔE 0.051
- Oxford Blue #1B263B ΔE 0.056
- Jet #212529 ΔE 0.059
- Navy Blue #001146 ΔE 0.061
- Almost Black #070D0D ΔE 0.072
- Dark Navy #000435 ΔE 0.076
Use #0D192C 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.