#175190
Closest named color: Dusk Blue (#26538D). oklch(43.4% 0.119 253.9), rgb(23, 81, 144).
Aa
White text reads best on this color (8.02:1).
About this color
#175190 is a dark, moderately saturated blue. In OKLCH its lightness is 43%, its chroma 0.119 and its hue 254°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk Blue (#26538D), ΔE 0.014 away. White text reads best on it, at 8.02:1.
| Hue family | Blues |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.119) |
| Temperature | cool |
| Nearest name | Dusk Blue (#26538D) |
| Black text | 2.61:1 |
| White text | 8.02:1 |
Values
| HEX | #175190 |
| RGB | rgb(23, 81, 144) |
| HSL | hsl(211, 72%, 33%) |
| OKLCH | oklch(43.4% 0.119 253.9) |
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 #175190 | 8.02:1 | AAA | Lc -92.1 | Preferred for body text |
| Black text on #175190 | 2.61:1 | Fails | Lc 16.6 | Dividers and decoration only |
| #175190 text on white | 8.02:1 | AAA | Lc 87.4 | Fine for body text |
| #175190 text on black | 2.61:1 | Fails | Lc -14.7 | 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
#F1F6FC
oklch(97.1% 0.01 252.8)
-
Step 100
100
#E1EBF7
oklch(93.6% 0.019 252.9)
-
Step 200
200
#C8DBF3
oklch(88.5% 0.039 254.3)
-
Step 300
300
#A2C4ED
oklch(81% 0.069 253.4)
-
Step 400
400
#6EA4E5
oklch(70.8% 0.112 253.8)
-
Step 500
500
#458BDD
oklch(63% 0.143 254)
-
Step 600
600
#2374CB
oklch(55.7% 0.155 253.8)
-
Step 700
700
#1460AF
oklch(49% 0.144 254)
-
Step 800
800 (this color)
#175190
oklch(43.4% 0.119 253.9)
-
Step 900
900
#194271
oklch(37.6% 0.093 254)
-
Step 950
950
#102742
oklch(27% 0.058 253.9)
#175190 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) | #315692 | 0.028 |
| Deuteranopia (no green cones) | #1A4B8F | 0.017 |
| Tritanopia (no blue cones) | #006069 | 0.089 |
| Achromatopsia (no color) | #505050 | 0.119 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #175190
#175190
oklch(43.4% 0.119 253.9)
- #6E4800
#6E4800
oklch(43.4% 0.092 74.6)
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 #175190, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk Blue #26538D ΔE 0.014
- Light Navy #155084 ΔE 0.020
- Cobalt #1E488F ΔE 0.025
- Deep Sea Blue #015482 ΔE 0.028
- Light Navy Blue #2E5A88 ΔE 0.039
- Denim Blue #3B5B92 ΔE 0.047
- Twilight Blue #0A437A ΔE 0.054
- Twilight #4E518B ΔE 0.060
Use #175190 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.