#16333F
Closest named color: Gunmetal (#293241). oklch(30.4% 0.041 227.4), rgb(22, 51, 63).
Aa
White text reads best on this color (13.29:1).
About this color
#16333F is a dark, muted teal or cyan. In OKLCH its lightness is 30%, its chroma 0.041 and its hue 227°. Its hue sits on the cool side of the wheel. The nearest named color is Gunmetal (#293241), ΔE 0.025 away. White text reads best on it, at 13.29:1.
| Hue family | Teals and cyans |
| Lightness | dark (30%) |
| Chroma | muted (0.041) |
| Temperature | cool |
| Nearest name | Gunmetal (#293241) |
| Black text | 1.57:1 |
| White text | 13.29:1 |
Values
| HEX | #16333F |
| RGB | rgb(22, 51, 63) |
| HSL | hsl(198, 48%, 17%) |
| OKLCH | oklch(30.4% 0.041 227.4) |
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 #16333F | 13.29:1 | AAA | Lc -102.8 | Preferred for body text |
| Black text on #16333F | 1.57:1 | Fails | Lc 0.0 | Not readable |
| #16333F text on white | 13.29:1 | AAA | Lc 99.6 | Preferred for body text |
| #16333F text on black | 1.57:1 | 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
#F1F6F9
oklch(97% 0.007 233.6)
-
Step 100
100
#E1ECF1
oklch(93.6% 0.014 226.6)
-
Step 200
200
#C8DDE7
oklch(88.5% 0.026 227.9)
-
Step 300
300
#A1C8D9
oklch(81% 0.048 226.3)
-
Step 400
400
#6AABC6
oklch(70.8% 0.077 226.4)
-
Step 500
500
#3B95B8
oklch(63.1% 0.099 227.4)
-
Step 600
600
#017FA4
oklch(55.6% 0.107 227.2)
-
Step 700
700
#006B8B
oklch(49.2% 0.095 227.3)
-
Step 800
800
#005772
oklch(42.6% 0.083 227.6)
-
Step 900
900
#11485C
oklch(37.7% 0.064 227.2)
-
Step 950
950 (this color)
#16333F
oklch(30.4% 0.041 227.4)
#16333F 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) | #2D3240 | 0.031 |
| Deuteranopia (no green cones) | #272E3F | 0.026 |
| Tritanopia (no blue cones) | #003637 | 0.027 |
| Achromatopsia (no color) | #2F2F2F | 0.041 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #16333F
#16333F
oklch(30.4% 0.041 227.4)
- #40281D
#40281D
oklch(30.4% 0.041 45.4)
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 #16333F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Gunmetal #293241 ΔE 0.025
- Midnight Green #073B4C ΔE 0.030
- Space Cadet #2B2D42 ΔE 0.035
- Dark Blue Grey #1F3B4D ΔE 0.036
- Oxford Blue #1B263B ΔE 0.043
- Prussian Blue #1D3557 ΔE 0.045
- Onyx #343A40 ΔE 0.050
- Dark #1B2431 ΔE 0.051
Use #16333F 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.