#0D222E
Closest named color: Dark (#1B2431). oklch(24.1% 0.035 235.9), rgb(13, 34, 46).
Aa
White text reads best on this color (16.33:1).
About this color
#0D222E is a very dark, muted blue. In OKLCH its lightness is 24%, its chroma 0.035 and its hue 236°. Its hue sits on the cool side of the wheel. The nearest named color is Dark (#1B2431), ΔE 0.022 away. White text reads best on it, at 16.33:1.
| Hue family | Blues |
| Lightness | very dark (24%) |
| Chroma | muted (0.035) |
| Temperature | cool |
| Nearest name | Dark (#1B2431) |
| Black text | 1.28:1 |
| White text | 16.33:1 |
Values
| HEX | #0D222E |
| RGB | rgb(13, 34, 46) |
| HSL | hsl(202, 56%, 12%) |
| OKLCH | oklch(24.1% 0.035 235.9) |
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 #0D222E | 16.33:1 | AAA | Lc -105.7 | Preferred for body text |
| Black text on #0D222E | 1.28:1 | Fails | Lc 0.0 | Not readable |
| #0D222E text on white | 16.33:1 | AAA | Lc 103.2 | Preferred for body text |
| #0D222E text on black | 1.28:1 | 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
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E3EBF1
oklch(93.6% 0.012 239.9)
-
Step 200
200
#CBDCE7
oklch(88.5% 0.024 236)
-
Step 300
300
#A8C5D8
oklch(80.8% 0.041 236.8)
-
Step 400
400
#78A8C5
oklch(70.8% 0.067 235.5)
-
Step 500
500
#5292B6
oklch(63.2% 0.085 235)
-
Step 600
600
#347BA2
oklch(55.5% 0.093 236)
-
Step 700
700
#25688B
oklch(49.1% 0.087 235.4)
-
Step 800
800
#215571
oklch(42.8% 0.072 235.6)
-
Step 900
900
#21465B
oklch(37.7% 0.056 235.7)
-
Step 950
950 (this color)
#0D222E
oklch(24.1% 0.035 235.9)
#0D222E 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) | #1C222F | 0.021 |
| Deuteranopia (no green cones) | #181E2E | 0.019 |
| Tritanopia (no blue cones) | #002526 | 0.026 |
| Achromatopsia (no color) | #202020 | 0.036 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0D222E
#0D222E
oklch(24.1% 0.035 235.9)
- #2C1B0E
#2C1B0E
oklch(24.1% 0.035 57.5)
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 #0D222E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark #1B2431 ΔE 0.022
- Rich Black #0D1B2A ΔE 0.025
- Jet #212529 ΔE 0.034
- Oxford Blue #1B263B ΔE 0.034
- Space Cadet #2B2D42 ΔE 0.070
- Rich Navy #001219 ΔE 0.072
- Gunmetal #293241 ΔE 0.076
- Navy Blue #001146 ΔE 0.079
Use #0D222E 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.