#0B1934
Closest named color: Rich Black (#0D1B2A). oklch(21.8% 0.057 262.1), rgb(11, 25, 52).
Aa
White text reads best on this color (17.45:1).
About this color
#0B1934 is a very dark, muted blue. In OKLCH its lightness is 22%, its chroma 0.057 and its hue 262°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.023 away. White text reads best on it, at 17.45:1.
| Hue family | Blues |
| Lightness | very dark (22%) |
| Chroma | muted (0.057) |
| Temperature | cool |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.20:1 |
| White text | 17.45:1 |
Values
| HEX | #0B1934 |
| RGB | rgb(11, 25, 52) |
| HSL | hsl(220, 65%, 12%) |
| OKLCH | oklch(21.8% 0.057 262.1) |
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 #0B1934 | 17.45:1 | AAA | Lc -106.5 | Preferred for body text |
| Black text on #0B1934 | 1.20:1 | Fails | Lc 0.0 | Not readable |
| #0B1934 text on white | 17.45:1 | AAA | Lc 104.2 | Preferred for body text |
| #0B1934 text on black | 1.20:1 | 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
#F2F6FC
oklch(97.2% 0.009 258.3)
-
Step 100
100
#E3EAF7
oklch(93.6% 0.019 263)
-
Step 200
200
#CCDAF2
oklch(88.5% 0.036 261.3)
-
Step 300
300
#A9C1ED
oklch(80.8% 0.068 262.5)
-
Step 400
400
#7CA0E4
oklch(70.7% 0.108 262.5)
-
Step 500
500
#5B87DC
oklch(63.1% 0.137 262.4)
-
Step 600
600
#416FC9
oklch(55.5% 0.149 262.3)
-
Step 700
700
#335DAE
oklch(49.2% 0.138 262)
-
Step 800
800
#2B4C8D
oklch(42.7% 0.115 262.4)
-
Step 900
900
#264071
oklch(37.7% 0.09 261.9)
-
Step 950
950 (this color)
#0B1934
oklch(21.8% 0.057 262.1)
#0B1934 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) | #0C1C35 | 0.011 |
| Deuteranopia (no green cones) | #061833 | 0.008 |
| Tritanopia (no blue cones) | #001F23 | 0.047 |
| Achromatopsia (no color) | #1A1A1A | 0.057 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0B1934
#0B1934
oklch(21.8% 0.057 262.1)
- #241800
#241800
oklch(21.8% 0.045 83.8)
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 #0B1934, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.023
- Navy Blue #001146 ΔE 0.046
- Dark #1B2431 ΔE 0.049
- Oxford Blue #1B263B ΔE 0.053
- Rich Navy #001219 ΔE 0.062
- Jet #212529 ΔE 0.065
- Night Blue #040348 ΔE 0.069
- Dark Navy #000435 ΔE 0.070
Use #0B1934 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.