#174865
Closest named color: Dark Grey Blue (#29465B). oklch(38.3% 0.071 238.8), rgb(23, 72, 101).
Aa
White text reads best on this color (9.76:1).
About this color
#174865 is a dark, moderately saturated blue. In OKLCH its lightness is 38%, its chroma 0.071 and its hue 239°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.022 away. White text reads best on it, at 9.76:1.
| Hue family | Blues |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.071) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.15:1 |
| White text | 9.76:1 |
Values
| HEX | #174865 |
| RGB | rgb(23, 72, 101) |
| HSL | hsl(202, 63%, 24%) |
| OKLCH | oklch(38.3% 0.071 238.8) |
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 #174865 | 9.76:1 | AAA | Lc -96.6 | Preferred for body text |
| Black text on #174865 | 2.15:1 | Fails | Lc 11.6 | Not readable |
| #174865 text on white | 9.76:1 | AAA | Lc 92.4 | Preferred for body text |
| #174865 text on black | 2.15:1 | Fails | Lc -10.1 | 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
#F1F6FA
oklch(97.1% 0.008 241.7)
-
Step 100
100
#E1ECF3
oklch(93.7% 0.015 235.4)
-
Step 200
200
#C8DCEB
oklch(88.4% 0.03 240.2)
-
Step 300
300
#A1C6E0
oklch(80.8% 0.054 239)
-
Step 400
400
#6CA8D0
oklch(70.6% 0.086 238.8)
-
Step 500
500
#4092C4
oklch(63.1% 0.109 238.7)
-
Step 600
600
#147BB1
oklch(55.5% 0.12 239.2)
-
Step 700
700
#006898
oklch(49.2% 0.11 238.7)
-
Step 800
800
#0A557B
oklch(42.8% 0.091 238.4)
-
Step 900
900 (this color)
#174865
oklch(38.3% 0.071 238.8)
-
Step 950
950
#0E293A
oklch(26.9% 0.046 239.3)
#174865 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) | #3A4866 | 0.038 |
| Deuteranopia (no green cones) | #304164 | 0.031 |
| Tritanopia (no blue cones) | #004F52 | 0.047 |
| Achromatopsia (no color) | #444444 | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #174865
#174865
oklch(38.3% 0.071 238.8)
- #5F3918
#5F3918
oklch(38.4% 0.071 59)
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 #174865, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.022
- Charcoal #264653 ΔE 0.031
- Twilight Blue #0A437A ΔE 0.043
- Dark Teal #014D4E ΔE 0.050
- Dark Blue Grey #1F3B4D ΔE 0.051
- Deep Teal #00555A ΔE 0.052
- Light Navy #155084 ΔE 0.054
- Deep Sea Blue #015482 ΔE 0.054
Use #174865 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.