#174C88
Closest named color: Light Navy (#155084). oklch(41.6% 0.114 254.5), rgb(23, 76, 136).
Aa
White text reads best on this color (8.65:1).
About this color
#174C88 is a dark, moderately saturated blue. In OKLCH its lightness is 42%, its chroma 0.114 and its hue 254°. Its hue sits on the cool side of the wheel. The nearest named color is Light Navy (#155084), ΔE 0.015 away. White text reads best on it, at 8.65:1.
| Hue family | Blues |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.114) |
| Temperature | cool |
| Nearest name | Light Navy (#155084) |
| Black text | 2.42:1 |
| White text | 8.65:1 |
Values
| HEX | #174C88 |
| RGB | rgb(23, 76, 136) |
| HSL | hsl(212, 71%, 31%) |
| OKLCH | oklch(41.6% 0.114 254.5) |
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 #174C88 | 8.65:1 | AAA | Lc -93.8 | Preferred for body text |
| Black text on #174C88 | 2.42:1 | Fails | Lc 14.7 | Not readable |
| #174C88 text on white | 8.65:1 | AAA | Lc 89.3 | Fine for body text |
| #174C88 text on black | 2.42:1 | Fails | Lc -12.9 | 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 800.
-
Step 50
50
#F1F6FB
oklch(97.1% 0.009 247.9)
-
Step 100
100
#E1EBF7
oklch(93.6% 0.019 252.9)
-
Step 200
200
#C9DBF2
oklch(88.5% 0.037 254.6)
-
Step 300
300
#A4C3EC
oklch(80.9% 0.067 255.5)
-
Step 400
400
#71A4E2
oklch(70.8% 0.106 253.9)
-
Step 500
500
#4A8BDA
oklch(63% 0.137 254.6)
-
Step 600
600
#2B74C7
oklch(55.7% 0.147 254.3)
-
Step 700
700
#1D61AC
oklch(49.2% 0.137 254.2)
-
Step 800
800 (this color)
#174C88
oklch(41.6% 0.114 254.5)
-
Step 900
900
#1C426F
oklch(37.6% 0.089 254.4)
-
Step 950
950
#122741
oklch(27% 0.056 254.8)
#174C88 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) | #2E518A | 0.027 |
| Deuteranopia (no green cones) | #184787 | 0.014 |
| Tritanopia (no blue cones) | #005A63 | 0.085 |
| Achromatopsia (no color) | #4B4B4B | 0.114 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #174C88
#174C88
oklch(41.6% 0.114 254.5)
- #684400
#684400
oklch(41.7% 0.088 74.8)
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 #174C88, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Navy #155084 ΔE 0.015
- Cobalt #1E488F ΔE 0.018
- Dusk Blue #26538D ΔE 0.026
- Deep Sea Blue #015482 ΔE 0.028
- Twilight Blue #0A437A ΔE 0.036
- Light Navy Blue #2E5A88 ΔE 0.049
- Denim Blue #3B5B92 ΔE 0.061
- Blueberry #464196 ΔE 0.063
Use #174C88 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.