#0D0C31
Closest named color: Dark Navy (#000435). oklch(18.5% 0.071 278), rgb(13, 12, 49).
Aa
White text reads best on this color (18.85:1).
About this color
#0D0C31 is a very dark, moderately saturated blue. In OKLCH its lightness is 18%, its chroma 0.071 and its hue 278°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Navy (#000435), ΔE 0.040 away. White text reads best on it, at 18.85:1.
| Hue family | Blues |
| Lightness | very dark (18%) |
| Chroma | moderately saturated (0.071) |
| Temperature | cool |
| Nearest name | Dark Navy (#000435) |
| Black text | 1.11:1 |
| White text | 18.85:1 |
Values
| HEX | #0D0C31 |
| RGB | rgb(13, 12, 49) |
| HSL | hsl(242, 61%, 12%) |
| OKLCH | oklch(18.5% 0.071 278) |
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 #0D0C31 | 18.85:1 | AAA | Lc -107.2 | Preferred for body text |
| Black text on #0D0C31 | 1.11:1 | Fails | Lc 0.0 | Not readable |
| #0D0C31 text on white | 18.85:1 | AAA | Lc 105.1 | Preferred for body text |
| #0D0C31 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
#E6E9FB
oklch(93.7% 0.024 278.4)
-
Step 200
200
#D1D7F9
oklch(88.5% 0.047 277.5)
-
Step 300
300
#B3BCF7
oklch(80.9% 0.084 277.6)
-
Step 400
400
#8E97F3
oklch(70.8% 0.134 278.1)
-
Step 500
500
#747AEF
oklch(63.2% 0.172 278)
-
Step 600
600
#5E5FDD
oklch(55.5% 0.188 278)
-
Step 700
700
#4E4EC0
oklch(49.1% 0.174 277.9)
-
Step 800
800
#40419B
oklch(42.8% 0.143 278)
-
Step 900
900
#36387B
oklch(37.7% 0.111 278.3)
-
Step 950
950 (this color)
#0D0C31
oklch(18.5% 0.071 278)
#0D0C31 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 | 0.027 |
| Deuteranopia (no green cones) | #001030 | 0.024 |
| Tritanopia (no blue cones) | #00151C | 0.060 |
| Achromatopsia (no color) | #111111 | 0.072 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0D0C31
#0D0C31
oklch(18.5% 0.071 278)
- #171300
#171300
oklch(18.6% 0.039 99.8)
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 #0D0C31, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Navy #000435 ΔE 0.040
- Navy Blue #001146 ΔE 0.046
- Midnight #03012D ΔE 0.047
- Dark Navy Blue #00022E ΔE 0.050
- Very Dark Blue #000133 ΔE 0.050
- Night Blue #040348 ΔE 0.052
- Rich Black #0D1B2A ΔE 0.054
- Rich Navy #001219 ΔE 0.061
Use #0D0C31 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.