#174165
Closest named color: Dark Grey Blue (#29465B). oklch(36.5% 0.078 247.8), rgb(23, 65, 101).
Aa
White text reads best on this color (10.60:1).
About this color
#174165 is a dark, moderately saturated blue. In OKLCH its lightness is 37%, its chroma 0.078 and its hue 248°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.032 away. White text reads best on it, at 10.60:1.
| Hue family | Blues |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.078) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 1.98:1 |
| White text | 10.60:1 |
Values
| HEX | #174165 |
| RGB | rgb(23, 65, 101) |
| HSL | hsl(208, 63%, 24%) |
| OKLCH | oklch(36.5% 0.078 247.8) |
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 #174165 | 10.60:1 | AAA | Lc -98.3 | Preferred for body text |
| Black text on #174165 | 1.98:1 | Fails | Lc 9.6 | Not readable |
| #174165 text on white | 10.60:1 | AAA | Lc 94.3 | Preferred for body text |
| #174165 text on black | 1.98:1 | Fails | Lc -8.2 | 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
#F1F6FB
oklch(97.1% 0.009 247.9)
-
Step 100
100
#E1EBF5
oklch(93.5% 0.017 248)
-
Step 200
200
#C9DCEE
oklch(88.6% 0.032 246.7)
-
Step 300
300
#A3C5E5
oklch(80.9% 0.058 247)
-
Step 400
400
#70A6D8
oklch(70.7% 0.093 247.4)
-
Step 500
500
#488FCE
oklch(63.2% 0.119 247.7)
-
Step 600
600
#2678BB
oklch(55.7% 0.129 247.8)
-
Step 700
700
#1764A1
oklch(49.1% 0.121 248.1)
-
Step 800
800
#175282
oklch(42.7% 0.099 247.7)
-
Step 900
900 (this color)
#174165
oklch(36.5% 0.078 247.8)
-
Step 950
950
#11283D
oklch(26.9% 0.049 248.1)
#174165 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) | #314367 | 0.030 |
| Deuteranopia (no green cones) | #263B64 | 0.022 |
| Tritanopia (no blue cones) | #004A4E | 0.058 |
| Achromatopsia (no color) | #3F3F3F | 0.078 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #174165
#174165
oklch(36.5% 0.078 247.8)
- #593504
#593504
oklch(36.5% 0.078 67.2)
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 #174165, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.032
- Twilight Blue #0A437A ΔE 0.036
- Marine Blue #01386A ΔE 0.036
- Prussian Blue #1D3557 ΔE 0.040
- Charcoal #264653 ΔE 0.042
- Dark Blue Grey #1F3B4D ΔE 0.042
- Midnight Green #073B4C ΔE 0.048
- Marine #042E60 ΔE 0.063
Use #174165 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.