#0B2236
Closest named color: Dark (#1B2431). oklch(24.5% 0.048 247.5), rgb(11, 34, 54).
Aa
White text reads best on this color (16.19:1).
About this color
#0B2236 is a very dark, muted blue. In OKLCH its lightness is 24%, its chroma 0.048 and its hue 248°. Its hue sits on the cool side of the wheel. The nearest named color is Dark (#1B2431), ΔE 0.025 away. White text reads best on it, at 16.19:1.
| Hue family | Blues |
| Lightness | very dark (24%) |
| Chroma | muted (0.048) |
| Temperature | cool |
| Nearest name | Dark (#1B2431) |
| Black text | 1.29:1 |
| White text | 16.19:1 |
Values
| HEX | #0B2236 |
| RGB | rgb(11, 34, 54) |
| HSL | hsl(208, 66%, 13%) |
| OKLCH | oklch(24.5% 0.048 247.5) |
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 #0B2236 | 16.19:1 | AAA | Lc -105.6 | Preferred for body text |
| Black text on #0B2236 | 1.29:1 | Fails | Lc 0.0 | Not readable |
| #0B2236 text on white | 16.19:1 | AAA | Lc 103.0 | Preferred for body text |
| #0B2236 text on black | 1.29:1 | 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
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E2EBF5
oklch(93.6% 0.017 250.8)
-
Step 200
200
#C9DCED
oklch(88.6% 0.031 245.1)
-
Step 300
300
#A4C5E4
oklch(81% 0.057 246.9)
-
Step 400
400
#71A6D7
oklch(70.7% 0.091 247.3)
-
Step 500
500
#4A8FCC
oklch(63.2% 0.116 247.5)
-
Step 600
600
#2878B9
oklch(55.7% 0.126 247.4)
-
Step 700
700
#19649F
oklch(49% 0.118 247.6)
-
Step 800
800
#195281
oklch(42.7% 0.097 247.7)
-
Step 900
900
#1C4468
oklch(37.7% 0.077 248.4)
-
Step 950
950 (this color)
#0B2236
oklch(24.5% 0.048 247.5)
#0B2236 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) | #192337 | 0.019 |
| Deuteranopia (no green cones) | #131F36 | 0.013 |
| Tritanopia (no blue cones) | #002729 | 0.037 |
| Achromatopsia (no color) | #202020 | 0.048 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0B2236
#0B2236
oklch(24.5% 0.048 247.5)
- #2F1B04
#2F1B04
oklch(24.4% 0.048 66.9)
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 #0B2236, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark #1B2431 ΔE 0.025
- Oxford Blue #1B263B ΔE 0.028
- Rich Black #0D1B2A ΔE 0.030
- Jet #212529 ΔE 0.042
- Space Cadet #2B2D42 ΔE 0.065
- Navy Blue #001146 ΔE 0.067
- Gunmetal #293241 ΔE 0.073
- Rich Navy #001219 ΔE 0.079
Use #0B2236 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.