#172650
Closest named color: Marine (#042E60). oklch(28.1% 0.08 266.5), rgb(23, 38, 80).
Aa
White text reads best on this color (14.69:1).
About this color
#172650 is a dark, moderately saturated blue. In OKLCH its lightness is 28%, its chroma 0.080 and its hue 267°. Its hue sits on the cool side of the wheel. The nearest named color is Marine (#042E60), ΔE 0.036 away. White text reads best on it, at 14.69:1.
| Hue family | Blues |
| Lightness | dark (28%) |
| Chroma | moderately saturated (0.080) |
| Temperature | cool |
| Nearest name | Marine (#042E60) |
| Black text | 1.42:1 |
| White text | 14.69:1 |
Values
| HEX | #172650 |
| RGB | rgb(23, 38, 80) |
| HSL | hsl(224, 55%, 20%) |
| OKLCH | oklch(28.1% 0.08 266.5) |
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 #172650 | 14.69:1 | AAA | Lc -104.2 | Preferred for body text |
| Black text on #172650 | 1.42:1 | Fails | Lc 0.0 | Not readable |
| #172650 text on white | 14.69:1 | AAA | Lc 101.3 | Preferred for body text |
| #172650 text on black | 1.42:1 | 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
#F1F5FE
oklch(97% 0.013 266.7)
-
Step 100
100
#E1EAFD
oklch(93.6% 0.028 265.4)
-
Step 200
200
#C9D9FD
oklch(88.5% 0.053 266.4)
-
Step 300
300
#A5BFFE
oklch(80.8% 0.094 267)
-
Step 400
400
#759CFE
oklch(70.8% 0.15 266.3)
-
Step 500
500
#547FFC
oklch(63.1% 0.192 266.6)
-
Step 600
600
#3B64EB
oklch(55.5% 0.209 266.5)
-
Step 700
700
#2E52CD
oklch(49.1% 0.195 266.5)
-
Step 800
800
#2644A6
oklch(42.7% 0.162 266.4)
-
Step 900
900
#233B83
oklch(37.8% 0.125 266.5)
-
Step 950
950 (this color)
#172650
oklch(28.1% 0.08 266.5)
#172650 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) | #102B52 | 0.016 |
| Deuteranopia (no green cones) | #05264F | 0.018 |
| Tritanopia (no blue cones) | #003037 | 0.067 |
| Achromatopsia (no color) | #282828 | 0.080 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #172650
#172650
oklch(28.1% 0.08 266.5)
- #362700
#362700
oklch(28.3% 0.058 86.4)
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 #172650, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Marine #042E60 ΔE 0.036
- Oxford Blue #1B263B ΔE 0.039
- Prussian Blue #1D3557 ΔE 0.049
- Space Cadet #2B2D42 ΔE 0.049
- Dark #1B2431 ΔE 0.057
- Gunmetal #293241 ΔE 0.061
- Midnight Blue #191970 ΔE 0.066
- Marine Blue #01386A ΔE 0.066
Use #172650 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.