#163D4E
Closest named color: Dark Blue Grey (#1F3B4D). oklch(34% 0.053 229.8), rgb(22, 61, 78).
Aa
White text reads best on this color (11.59:1).
About this color
#163D4E is a dark, muted teal or cyan. In OKLCH its lightness is 34%, its chroma 0.053 and its hue 230°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Blue Grey (#1F3B4D), ΔE 0.010 away. White text reads best on it, at 11.59:1.
| Hue family | Teals and cyans |
| Lightness | dark (34%) |
| Chroma | muted (0.053) |
| Temperature | cool |
| Nearest name | Dark Blue Grey (#1F3B4D) |
| Black text | 1.81:1 |
| White text | 11.59:1 |
Values
| HEX | #163D4E |
| RGB | rgb(22, 61, 78) |
| HSL | hsl(198, 56%, 20%) |
| OKLCH | oklch(34% 0.053 229.8) |
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 #163D4E | 11.59:1 | AAA | Lc -100.2 | Preferred for body text |
| Black text on #163D4E | 1.81:1 | Fails | Lc 7.4 | Not readable |
| #163D4E text on white | 11.59:1 | AAA | Lc 96.5 | Preferred for body text |
| #163D4E text on black | 1.81:1 | 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 900.
-
Step 50
50
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E3EBF0
oklch(93.5% 0.011 234.8)
-
Step 200
200
#CBDCE5
oklch(88.4% 0.022 230.6)
-
Step 300
300
#A7C6D5
oklch(80.9% 0.04 228.7)
-
Step 400
400
#77A9C1
oklch(70.8% 0.064 229.4)
-
Step 500
500
#5193B1
oklch(63.1% 0.081 229.4)
-
Step 600
600
#327D9D
oklch(55.7% 0.088 229.6)
-
Step 700
700
#246986
oklch(49.1% 0.082 229.8)
-
Step 800
800
#20566D
oklch(42.8% 0.068 229.5)
-
Step 900
900 (this color)
#163D4E
oklch(34% 0.053 229.8)
-
Step 950
950
#142A34
oklch(27.2% 0.034 229.2)
#163D4E 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) | #343C4F | 0.036 |
| Deuteranopia (no green cones) | #2D364E | 0.033 |
| Tritanopia (no blue cones) | #004243 | 0.033 |
| Achromatopsia (no color) | #393939 | 0.053 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #163D4E
#163D4E
oklch(34% 0.053 229.8)
- #4E301E
#4E301E
oklch(34.1% 0.053 51.2)
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 #163D4E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Blue Grey #1F3B4D ΔE 0.010
- Midnight Green #073B4C ΔE 0.013
- Prussian Blue #1D3557 ΔE 0.035
- Charcoal #264653 ΔE 0.036
- Gunmetal #293241 ΔE 0.040
- Onyx #343A40 ΔE 0.041
- Dark Grey Blue #29465B ΔE 0.042
- Space Cadet #2B2D42 ΔE 0.054
Use #163D4E 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.