#0D1428
Closest named color: Rich Black (#0D1B2A). oklch(19.6% 0.042 267.9), rgb(13, 20, 40).
Aa
White text reads best on this color (18.29:1).
About this color
#0D1428 is a very dark, muted blue. In OKLCH its lightness is 20%, its chroma 0.042 and its hue 268°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.025 away. White text reads best on it, at 18.29:1.
| Hue family | Blues |
| Lightness | very dark (20%) |
| Chroma | muted (0.042) |
| Temperature | cool |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.14:1 |
| White text | 18.29:1 |
Values
| HEX | #0D1428 |
| RGB | rgb(13, 20, 40) |
| HSL | hsl(224, 51%, 10%) |
| OKLCH | oklch(19.6% 0.042 267.9) |
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 #0D1428 | 18.29:1 | AAA | Lc -107.0 | Preferred for body text |
| Black text on #0D1428 | 1.14:1 | Fails | Lc 0.0 | Not readable |
| #0D1428 text on white | 18.29:1 | AAA | Lc 104.9 | Preferred for body text |
| #0D1428 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
#F3F5FA
oklch(97% 0.007 268.5)
-
Step 100
100
#E6EAF4
oklch(93.7% 0.014 268.5)
-
Step 200
200
#D1D9EC
oklch(88.5% 0.028 267.5)
-
Step 300
300
#B3C0E2
oklch(80.9% 0.05 268.8)
-
Step 400
400
#8B9FD3
oklch(70.6% 0.08 268.1)
-
Step 500
500
#6F87C7
oklch(63.1% 0.101 267.8)
-
Step 600
600
#5770B4
oklch(55.7% 0.11 267.5)
-
Step 700
700
#485D9B
oklch(49.1% 0.103 268.3)
-
Step 800
800
#3B4C7D
oklch(42.6% 0.084 268.2)
-
Step 900
900
#324065
oklch(37.7% 0.066 267.4)
-
Step 950
950 (this color)
#0D1428
oklch(19.6% 0.042 267.9)
#0D1428 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) | #0C1629 | 0.007 |
| Deuteranopia (no green cones) | #091428 | 0.006 |
| Tritanopia (no blue cones) | #02181C | 0.036 |
| Achromatopsia (no color) | #151515 | 0.042 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0D1428
#0D1428
oklch(19.6% 0.042 267.9)
- #1D1400
#1D1400
oklch(19.7% 0.04 87.9)
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 #0D1428, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.025
- Rich Navy #001219 ΔE 0.040
- Almost Black #070D0D ΔE 0.059
- Navy Blue #001146 ΔE 0.062
- Dark #1B2431 ΔE 0.063
- Dark Navy #000435 ΔE 0.065
- Midnight #03012D ΔE 0.071
- Dark Navy Blue #00022E ΔE 0.072
Use #0D1428 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.