#175C84
Closest named color: Light Navy Blue (#2E5A88). oklch(45.3% 0.093 239.8), rgb(23, 92, 132).
Aa
White text reads best on this color (7.24:1).
About this color
#175C84 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 45%, its chroma 0.093 and its hue 240°. Its hue sits on the cool side of the wheel. The nearest named color is Light Navy Blue (#2E5A88), ΔE 0.019 away. White text reads best on it, at 7.24:1.
| Hue family | Blues |
| Lightness | medium-dark (45%) |
| Chroma | moderately saturated (0.093) |
| Temperature | cool |
| Nearest name | Light Navy Blue (#2E5A88) |
| Black text | 2.90:1 |
| White text | 7.24:1 |
Values
| HEX | #175C84 |
| RGB | rgb(23, 92, 132) |
| HSL | hsl(202, 70%, 30%) |
| OKLCH | oklch(45.3% 0.093 239.8) |
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 #175C84 | 7.24:1 | AAA | Lc -89.7 | Fine for body text |
| Black text on #175C84 | 2.90:1 | Fails | Lc 19.2 | Dividers and decoration only |
| #175C84 text on white | 7.24:1 | AAA | Lc 84.8 | Fine for body text |
| #175C84 text on black | 2.90:1 | Fails | Lc -17.2 | Dividers and decoration only |
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
#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
#A2C6E0
oklch(80.9% 0.053 239.7)
-
Step 400
400
#6DA8D1
oklch(70.7% 0.086 239.9)
-
Step 500
500
#4092C5
oklch(63.2% 0.11 239.3)
-
Step 600
600
#167BB2
oklch(55.6% 0.12 239.9)
-
Step 700
700
#016799
oklch(49% 0.112 240.1)
-
Step 800
800 (this color)
#175C84
oklch(45.3% 0.093 239.8)
-
Step 900
900
#154664
oklch(37.7% 0.073 240)
-
Step 950
950
#0E293A
oklch(26.9% 0.046 239.3)
#175C84 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) | #495C86 | 0.048 |
| Deuteranopia (no green cones) | #3A5283 | 0.039 |
| Tritanopia (no blue cones) | #00666A | 0.061 |
| Achromatopsia (no color) | #575757 | 0.093 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #175C84
#175C84
oklch(45.3% 0.093 239.8)
- #7B4818
#7B4818
oklch(45.3% 0.092 59.6)
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 #175C84, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Navy Blue #2E5A88 ΔE 0.019
- Deep Sea Blue #015482 ΔE 0.028
- Dusk Blue #26538D ΔE 0.034
- Light Navy #155084 ΔE 0.037
- Peacock Blue #016795 ΔE 0.038
- Denim Blue #3B5B92 ΔE 0.040
- YInMn Blue #415A77 ΔE 0.040
- Denim #3B638C ΔE 0.041
Use #175C84 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.