#0D0F31
Closest named color: Navy Blue (#001146). oklch(19.1% 0.066 275.6), rgb(13, 15, 49).
Aa
White text reads best on this color (18.58:1).
About this color
#0D0F31 is a very dark, muted blue. In OKLCH its lightness is 19%, its chroma 0.066 and its hue 276°. Its hue sits on the cool side of the wheel. The nearest named color is Navy Blue (#001146), ΔE 0.045 away. White text reads best on it, at 18.58:1.
| Hue family | Blues |
| Lightness | very dark (19%) |
| Chroma | muted (0.066) |
| Temperature | cool |
| Nearest name | Navy Blue (#001146) |
| Black text | 1.12:1 |
| White text | 18.58:1 |
Values
| HEX | #0D0F31 |
| RGB | rgb(13, 15, 49) |
| HSL | hsl(237, 58%, 12%) |
| OKLCH | oklch(19.1% 0.066 275.6) |
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 #0D0F31 | 18.58:1 | AAA | Lc -107.1 | Preferred for body text |
| Black text on #0D0F31 | 1.12:1 | Fails | Lc 0.0 | Not readable |
| #0D0F31 text on white | 18.58:1 | AAA | Lc 105.0 | Preferred for body text |
| #0D0F31 text on black | 1.12:1 | 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
#F3F5FD
oklch(97.1% 0.011 274.9)
-
Step 100
100
#E5E9FA
oklch(93.6% 0.023 275.4)
-
Step 200
200
#D1D7F7
oklch(88.5% 0.044 277.1)
-
Step 300
300
#B2BDF4
oklch(80.9% 0.079 275.7)
-
Step 400
400
#8B99EE
oklch(70.7% 0.125 275.6)
-
Step 500
500
#707DE9
oklch(63.1% 0.161 275.6)
-
Step 600
600
#5A64D7
oklch(55.7% 0.174 275.5)
-
Step 700
700
#4A52BA
oklch(49.1% 0.162 275.4)
-
Step 800
800
#3D4497
oklch(42.8% 0.134 275.5)
-
Step 900
900
#333A78
oklch(37.7% 0.105 275.3)
-
Step 950
950 (this color)
#0D0F31
oklch(19.1% 0.066 275.6)
#0D0F31 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) | #001532 | 0.025 |
| Deuteranopia (no green cones) | #001130 | 0.022 |
| Tritanopia (no blue cones) | #00171E | 0.055 |
| Achromatopsia (no color) | #131313 | 0.067 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0D0F31
#0D0F31
oklch(19.1% 0.066 275.6)
- #191400
#191400
oklch(19.2% 0.04 97.7)
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 #0D0F31, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Navy Blue #001146 ΔE 0.045
- Rich Black #0D1B2A ΔE 0.045
- Dark Navy #000435 ΔE 0.046
- Midnight #03012D ΔE 0.054
- Night Blue #040348 ΔE 0.055
- Dark Navy Blue #00022E ΔE 0.056
- Very Dark Blue #000133 ΔE 0.056
- Rich Navy #001219 ΔE 0.058
Use #0D0F31 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.