#174B84
Closest named color: Light Navy (#155084). oklch(41.1% 0.11 253.8), rgb(23, 75, 132).
Aa
White text reads best on this color (8.83:1).
About this color
#174B84 is a dark, moderately saturated blue. In OKLCH its lightness is 41%, its chroma 0.110 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 8.83:1.
| Hue family | Blues |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.110) |
| Temperature | cool |
| Nearest name | Light Navy (#155084) |
| Black text | 2.37:1 |
| White text | 8.83:1 |
Values
| HEX | #174B84 |
| RGB | rgb(23, 75, 132) |
| HSL | hsl(211, 70%, 30%) |
| OKLCH | oklch(41.1% 0.11 253.8) |
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 #174B84 | 8.83:1 | AAA | Lc -94.3 | Preferred for body text |
| Black text on #174B84 | 2.37:1 | Fails | Lc 14.1 | Not readable |
| #174B84 text on white | 8.83:1 | AAA | Lc 89.8 | Fine for body text |
| #174B84 text on black | 2.37:1 | Fails | Lc -12.4 | 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
#F2F6FB
oklch(97.2% 0.008 253.9)
-
Step 100
100
#E2EBF6
oklch(93.7% 0.018 253.3)
-
Step 200
200
#C9DBF1
oklch(88.5% 0.036 253.5)
-
Step 300
300
#A4C4EA
oklch(81% 0.064 253)
-
Step 400
400
#73A4DF
oklch(70.8% 0.102 253.7)
-
Step 500
500
#4C8CD6
oklch(63.1% 0.13 253.5)
-
Step 600
600
#2D74C4
oklch(55.6% 0.143 254)
-
Step 700
700
#1F61A9
oklch(49% 0.132 253.8)
-
Step 800
800 (this color)
#174B84
oklch(41.1% 0.11 253.8)
-
Step 900
900
#1D436E
oklch(37.8% 0.086 253.4)
-
Step 950
950
#122740
oklch(26.9% 0.054 254)
#174B84 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) | #2F4F86 | 0.026 |
| Deuteranopia (no green cones) | #1B4683 | 0.014 |
| Tritanopia (no blue cones) | #005961 | 0.083 |
| Achromatopsia (no color) | #4A4A4A | 0.110 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #174B84
#174B84
oklch(41.1% 0.11 253.8)
- #664200
#664200
oklch(41% 0.087 74.1)
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 #174B84, 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 0.022
- Deep Sea Blue #015482 ΔE 0.028
- Twilight Blue #0A437A ΔE 0.030
- Dusk Blue #26538D ΔE 0.031
- Light Navy Blue #2E5A88 ΔE 0.052
- Denim Blue #3B5B92 ΔE 0.065
- Blueberry #464196 ΔE 0.066
Use #174B84 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.