#0B1020
Closest named color: Rich Navy (#001219). oklch(17.7% 0.034 269.6), rgb(11, 16, 32).
Aa
White text reads best on this color (18.93:1).
About this color
#0B1020 is a very dark, muted blue. In OKLCH its lightness is 18%, its chroma 0.034 and its hue 270°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Navy (#001219), ΔE 0.027 away. White text reads best on it, at 18.93:1.
| Hue family | Blues |
| Lightness | very dark (18%) |
| Chroma | muted (0.034) |
| Temperature | cool |
| Nearest name | Rich Navy (#001219) |
| Black text | 1.10:1 |
| White text | 18.93:1 |
Values
| HEX | #0B1020 |
| RGB | rgb(11, 16, 32) |
| HSL | hsl(226, 49%, 8%) |
| OKLCH | oklch(17.7% 0.034 269.6) |
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 #0B1020 | 18.93:1 | AAA | Lc -107.4 | Preferred for body text |
| Black text on #0B1020 | 1.10:1 | Fails | Lc 0.0 | Not readable |
| #0B1020 text on white | 18.93:1 | AAA | Lc 105.3 | Preferred for body text |
| #0B1020 text on black | 1.10:1 | 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
#F4F5F9
oklch(97.1% 0.005 275)
-
Step 100
100
#E7EAF2
oklch(93.7% 0.011 269.5)
-
Step 200
200
#D3D9E9
oklch(88.6% 0.023 269.4)
-
Step 300
300
#B6C0DC
oklch(80.9% 0.041 269.9)
-
Step 400
400
#909FCA
oklch(70.6% 0.065 269.7)
-
Step 500
500
#7587BC
oklch(63% 0.083 269.5)
-
Step 600
600
#5E70A8
oklch(55.5% 0.09 269.7)
-
Step 700
700
#4E5E90
oklch(49.1% 0.083 269.7)
-
Step 800
800
#404D75
oklch(42.7% 0.069 269.6)
-
Step 900
900
#36405E
oklch(37.6% 0.053 269.6)
-
Step 950
950 (this color)
#0B1020
oklch(17.7% 0.034 269.6)
#0B1020 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) | #0A1221 | 0.007 |
| Deuteranopia (no green cones) | #081020 | 0.005 |
| Tritanopia (no blue cones) | #041316 | 0.030 |
| Achromatopsia (no color) | #111111 | 0.034 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0B1020
#0B1020
oklch(17.7% 0.034 269.6)
- #171001
#171001
oklch(17.7% 0.034 88.6)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes and gradients that use #0B1020
These curated palettes and gradients contain exactly #0B1020. Open one to see the full color scheme around it.
Palettes
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Navy #001219 ΔE 0.027
- Almost Black #070D0D ΔE 0.041
- Rich Black #0D1B2A ΔE 0.042
- Dark Navy #000435 ΔE 0.064
- Midnight #03012D ΔE 0.064
- Dark Navy Blue #00022E ΔE 0.066
- Very Dark Blue #000133 ΔE 0.071
- Navy Blue #001146 ΔE 0.076
Use #0B1020 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.