#0D0F2C
Closest named color: Rich Black (#0D1B2A). oklch(18.7% 0.058 276.3), rgb(13, 15, 44).
Aa
White text reads best on this color (18.71:1).
About this color
#0D0F2C is a very dark, muted blue. In OKLCH its lightness is 19%, its chroma 0.058 and its hue 276°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.043 away. White text reads best on it, at 18.71:1.
| Hue family | Blues |
| Lightness | very dark (19%) |
| Chroma | muted (0.058) |
| Temperature | cool |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.12:1 |
| White text | 18.71:1 |
Values
| HEX | #0D0F2C |
| RGB | rgb(13, 15, 44) |
| HSL | hsl(236, 54%, 11%) |
| OKLCH | oklch(18.7% 0.058 276.3) |
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 #0D0F2C | 18.71:1 | AAA | Lc -107.2 | Preferred for body text |
| Black text on #0D0F2C | 1.12:1 | Fails | Lc 0.0 | Not readable |
| #0D0F2C text on white | 18.71:1 | AAA | Lc 105.1 | Preferred for body text |
| #0D0F2C 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
#F4F5FC
oklch(97.1% 0.009 279.7)
-
Step 100
100
#E6E9F7
oklch(93.6% 0.019 276.3)
-
Step 200
200
#D2D8F3
oklch(88.6% 0.038 275.7)
-
Step 300
300
#B4BDED
oklch(80.8% 0.069 276.5)
-
Step 400
400
#8E9AE4
oklch(70.6% 0.109 276.2)
-
Step 500
500
#7480DD
oklch(63.2% 0.14 276.1)
-
Step 600
600
#5E67CA
oklch(55.6% 0.151 276.4)
-
Step 700
700
#4E55AF
oklch(49.1% 0.141 276.5)
-
Step 800
800
#3F468E
oklch(42.7% 0.118 276)
-
Step 900
900
#353B71
oklch(37.6% 0.092 276.3)
-
Step 950
950 (this color)
#0D0F2C
oklch(18.7% 0.058 276.3)
#0D0F2C 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) | #02132D | 0.020 |
| Deuteranopia (no green cones) | #00112B | 0.023 |
| Tritanopia (no blue cones) | #01161B | 0.051 |
| Achromatopsia (no color) | #121212 | 0.058 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0D0F2C
#0D0F2C
oklch(18.7% 0.058 276.3)
- #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 #0D0F2C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.043
- Dark Navy #000435 ΔE 0.049
- Rich Navy #001219 ΔE 0.050
- Navy Blue #001146 ΔE 0.054
- Midnight #03012D ΔE 0.054
- Dark Navy Blue #00022E ΔE 0.056
- Very Dark Blue #000133 ΔE 0.058
- Night Blue #040348 ΔE 0.063
Use #0D0F2C 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.