#0D0D31
Closest named color: Dark Navy (#000435). oklch(18.7% 0.07 277.3), rgb(13, 13, 49).
Aa
White text reads best on this color (18.76:1).
About this color
#0D0D31 is a very dark, muted blue. In OKLCH its lightness is 19%, its chroma 0.070 and its hue 277°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Navy (#000435), ΔE 0.042 away. White text reads best on it, at 18.76:1.
| Hue family | Blues |
| Lightness | very dark (19%) |
| Chroma | muted (0.070) |
| Temperature | cool |
| Nearest name | Dark Navy (#000435) |
| Black text | 1.11:1 |
| White text | 18.76:1 |
Values
| HEX | #0D0D31 |
| RGB | rgb(13, 13, 49) |
| HSL | hsl(240, 58%, 12%) |
| OKLCH | oklch(18.7% 0.07 277.3) |
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 #0D0D31 | 18.76:1 | AAA | Lc -107.2 | Preferred for body text |
| Black text on #0D0D31 | 1.11:1 | Fails | Lc 0.0 | Not readable |
| #0D0D31 text on white | 18.76:1 | AAA | Lc 105.1 | Preferred for body text |
| #0D0D31 text on black | 1.11:1 | 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
#D1D7F8
oklch(88.5% 0.046 277.3)
-
Step 300
300
#B3BCF6
oklch(80.9% 0.083 277.5)
-
Step 400
400
#8D97F2
oklch(70.6% 0.133 277.7)
-
Step 500
500
#737BED
oklch(63.2% 0.169 277.4)
-
Step 600
600
#5D61DB
oklch(55.6% 0.183 277.2)
-
Step 700
700
#4D4FBE
oklch(49% 0.17 277.3)
-
Step 800
800
#3F429A
oklch(42.8% 0.141 277.2)
-
Step 900
900
#35397A
oklch(37.8% 0.109 277.2)
-
Step 950
950 (this color)
#0D0D31
oklch(18.7% 0.07 277.3)
#0D0D31 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) | #001332 | 0.025 |
| Deuteranopia (no green cones) | #001030 | 0.023 |
| Tritanopia (no blue cones) | #00161D | 0.059 |
| Achromatopsia (no color) | #121212 | 0.070 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0D0D31
#0D0D31
oklch(18.7% 0.07 277.3)
- #181300
#181300
oklch(18.7% 0.039 97.3)
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 #0D0D31, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Navy #000435 ΔE 0.042
- Navy Blue #001146 ΔE 0.046
- Midnight #03012D ΔE 0.049
- Rich Black #0D1B2A ΔE 0.051
- Dark Navy Blue #00022E ΔE 0.052
- Very Dark Blue #000133 ΔE 0.052
- Night Blue #040348 ΔE 0.052
- Rich Navy #001219 ΔE 0.060
Use #0D0D31 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.