#0D1030
Closest named color: Rich Black (#0D1B2A). oklch(19.3% 0.063 274.8), rgb(13, 16, 48).
Aa
White text reads best on this color (18.51:1).
About this color
#0D1030 is a very dark, muted blue. In OKLCH its lightness is 19%, its chroma 0.063 and its hue 275°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.042 away. White text reads best on it, at 18.51:1.
| Hue family | Blues |
| Lightness | very dark (19%) |
| Chroma | muted (0.063) |
| Temperature | cool |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.13:1 |
| White text | 18.51:1 |
Values
| HEX | #0D1030 |
| RGB | rgb(13, 16, 48) |
| HSL | hsl(235, 57%, 12%) |
| OKLCH | oklch(19.3% 0.063 274.8) |
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 #0D1030 | 18.51:1 | AAA | Lc -107.1 | Preferred for body text |
| Black text on #0D1030 | 1.13:1 | Fails | Lc 0.0 | Not readable |
| #0D1030 text on white | 18.51:1 | AAA | Lc 105.0 | Preferred for body text |
| #0D1030 text on black | 1.13:1 | 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
#F3F5FC
oklch(97.1% 0.01 273.4)
-
Step 100
100
#E5E9F9
oklch(93.6% 0.022 274.7)
-
Step 200
200
#D1D8F5
oklch(88.6% 0.041 274.8)
-
Step 300
300
#B2BEF1
oklch(81% 0.073 274.3)
-
Step 400
400
#8B9AEB
oklch(70.7% 0.12 274.9)
-
Step 500
500
#707FE4
oklch(63.2% 0.152 274.9)
-
Step 600
600
#5966D2
oklch(55.6% 0.165 274.6)
-
Step 700
700
#4A54B6
oklch(49.2% 0.153 274.9)
-
Step 800
800
#3C4593
oklch(42.6% 0.127 274.7)
-
Step 900
900
#333B75
oklch(37.7% 0.099 274.8)
-
Step 950
950 (this color)
#0D1030
oklch(19.3% 0.063 274.8)
#0D1030 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) | #001531 | 0.023 |
| Deuteranopia (no green cones) | #00122F | 0.021 |
| Tritanopia (no blue cones) | #00181D | 0.056 |
| Achromatopsia (no color) | #131313 | 0.063 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0D1030
#0D1030
oklch(19.3% 0.063 274.8)
- #1A1400
#1A1400
oklch(19.3% 0.04 95.2)
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 #0D1030, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.042
- Navy Blue #001146 ΔE 0.046
- Dark Navy #000435 ΔE 0.049
- Rich Navy #001219 ΔE 0.056
- Midnight #03012D ΔE 0.057
- Night Blue #040348 ΔE 0.058
- Dark Navy Blue #00022E ΔE 0.058
- Very Dark Blue #000133 ΔE 0.059
Use #0D1030 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.