#0D1B3D
Closest named color: Rich Black (#0D1B2A). oklch(23.2% 0.068 264.8), rgb(13, 27, 61).
Aa
White text reads best on this color (16.91:1).
About this color
#0D1B3D is a very dark, muted blue. In OKLCH its lightness is 23%, its chroma 0.068 and its hue 265°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.037 away. White text reads best on it, at 16.91:1.
| Hue family | Blues |
| Lightness | very dark (23%) |
| Chroma | muted (0.068) |
| Temperature | cool |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.24:1 |
| White text | 16.91:1 |
Values
| HEX | #0D1B3D |
| RGB | rgb(13, 27, 61) |
| HSL | hsl(223, 65%, 15%) |
| OKLCH | oklch(23.2% 0.068 264.8) |
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 #0D1B3D | 16.91:1 | AAA | Lc -106.1 | Preferred for body text |
| Black text on #0D1B3D | 1.24:1 | Fails | Lc 0.0 | Not readable |
| #0D1B3D text on white | 16.91:1 | AAA | Lc 103.7 | Preferred for body text |
| #0D1B3D text on black | 1.24:1 | 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
#F2F6FD
oklch(97.2% 0.01 261.8)
-
Step 100
100
#E2EAFA
oklch(93.6% 0.023 264.5)
-
Step 200
200
#CBD9F8
oklch(88.5% 0.045 266.2)
-
Step 300
300
#A7C0F6
oklch(80.8% 0.082 265.3)
-
Step 400
400
#789EF1
oklch(70.6% 0.129 264.6)
-
Step 500
500
#5783EC
oklch(63% 0.165 264.9)
-
Step 600
600
#3D6ADB
oklch(55.6% 0.18 264.8)
-
Step 700
700
#3058BE
oklch(49.2% 0.167 264.7)
-
Step 800
800
#284899
oklch(42.6% 0.138 264.9)
-
Step 900
900
#243E7A
oklch(37.8% 0.107 264.3)
-
Step 950
950 (this color)
#0D1B3D
oklch(23.2% 0.068 264.8)
#0D1B3D 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) | #091F3E | 0.013 |
| Deuteranopia (no green cones) | #011B3C | 0.014 |
| Tritanopia (no blue cones) | #002329 | 0.055 |
| Achromatopsia (no color) | #1D1D1D | 0.068 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0D1B3D
#0D1B3D
oklch(23.2% 0.068 264.8)
- #281B00
#281B00
oklch(23.2% 0.048 83.7)
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 #0D1B3D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.037
- Navy Blue #001146 ΔE 0.041
- Oxford Blue #1B263B ΔE 0.045
- Dark #1B2431 ΔE 0.048
- Dark Indigo #1F0954 ΔE 0.064
- Jet #212529 ΔE 0.066
- Night Blue #040348 ΔE 0.066
- Dark Navy #000435 ΔE 0.077
Use #0D1B3D 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.