#16222F
Closest named color: Dark (#1B2431). oklch(24.7% 0.03 251.1), rgb(22, 34, 47).
Aa
White text reads best on this color (16.10:1).
About this color
#16222F is a very dark, muted blue. In OKLCH its lightness is 25%, its chroma 0.030 and its hue 251°. Its hue sits on the cool side of the wheel. The nearest named color is Dark (#1B2431), ΔE 0.011 away. White text reads best on it, at 16.10:1.
| Hue family | Blues |
| Lightness | very dark (25%) |
| Chroma | muted (0.030) |
| Temperature | cool |
| Nearest name | Dark (#1B2431) |
| Black text | 1.30:1 |
| White text | 16.10:1 |
Values
| HEX | #16222F |
| RGB | rgb(22, 34, 47) |
| HSL | hsl(211, 36%, 14%) |
| OKLCH | oklch(24.7% 0.03 251.1) |
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 #16222F | 16.10:1 | AAA | Lc -105.6 | Preferred for body text |
| Black text on #16222F | 1.30:1 | Fails | Lc 0.0 | Not readable |
| #16222F text on white | 16.10:1 | AAA | Lc 103.0 | Preferred for body text |
| #16222F text on black | 1.30:1 | 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
#F3F6F9
oklch(97.2% 0.005 247.9)
-
Step 100
100
#E5EAF1
oklch(93.5% 0.011 256.7)
-
Step 200
200
#D0DAE6
oklch(88.4% 0.02 252.9)
-
Step 300
300
#B0C3D7
oklch(80.9% 0.035 249.6)
-
Step 400
400
#87A4C4
oklch(70.8% 0.057 251.1)
-
Step 500
500
#688DB5
oklch(63.2% 0.073 251)
-
Step 600
600
#4F76A0
oklch(55.5% 0.079 251.1)
-
Step 700
700
#406389
oklch(49% 0.074 251.4)
-
Step 800
800
#35516F
oklch(42.6% 0.061 251)
-
Step 900
900
#2E435A
oklch(37.6% 0.048 251.4)
-
Step 950
950 (this color)
#16222F
oklch(24.7% 0.03 251.1)
#16222F 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) | #1D2230 | 0.011 |
| Deuteranopia (no green cones) | #1A202F | 0.009 |
| Tritanopia (no blue cones) | #0C2526 | 0.027 |
| Achromatopsia (no color) | #212121 | 0.030 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #16222F
#16222F
oklch(24.7% 0.03 251.1)
- #2A1F10
#2A1F10
oklch(24.8% 0.031 74.2)
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 #16222F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark #1B2431 ΔE 0.011
- Jet #212529 ΔE 0.025
- Oxford Blue #1B263B ΔE 0.026
- Rich Black #0D1B2A ΔE 0.030
- Space Cadet #2B2D42 ΔE 0.061
- Gunmetal #293241 ΔE 0.068
- Rich Navy #001219 ΔE 0.080
- Navy Blue #001146 ΔE 0.082
Use #16222F 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.