#174AB0
Closest named color: Blue Blue (#2242C7). oklch(44.3% 0.172 262.1), rgb(23, 74, 176).
Aa
White text reads best on this color (7.94:1).
About this color
#174AB0 is a dark, vivid blue. In OKLCH its lightness is 44%, its chroma 0.172 and its hue 262°. Its hue sits on the cool side of the wheel. The nearest named color is Blue Blue (#2242C7), ΔE 0.041 away. White text reads best on it, at 7.94:1.
| Hue family | Blues |
| Lightness | dark (44%) |
| Chroma | vivid (0.172) |
| Temperature | cool |
| Nearest name | Blue Blue (#2242C7) |
| Black text | 2.64:1 |
| White text | 7.94:1 |
Values
| HEX | #174AB0 |
| RGB | rgb(23, 74, 176) |
| HSL | hsl(220, 77%, 39%) |
| OKLCH | oklch(44.3% 0.172 262.1) |
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 #174AB0 | 7.94:1 | AAA | Lc -91.6 | Preferred for body text |
| Black text on #174AB0 | 2.64:1 | Fails | Lc 17.1 | Dividers and decoration only |
| #174AB0 text on white | 7.94:1 | AAA | Lc 86.9 | Fine for body text |
| #174AB0 text on black | 2.64:1 | Fails | Lc -15.2 | 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
#F1F6FF
oklch(97.2% 0.013 262.4)
-
Step 100
100
#DFEAFE
oklch(93.5% 0.03 262.5)
-
Step 200
200
#C5DAFF
oklch(88.5% 0.056 261.8)
-
Step 300
300
#9FC1FF
oklch(80.9% 0.096 262.2)
-
Step 400
400
#6B9EFF
oklch(70.7% 0.153 262.2)
-
Step 500
500
#4282FF
oklch(63.2% 0.198 262)
-
Step 600
600
#1F66F3
oklch(55.7% 0.223 262.1)
-
Step 700
700
#1253D3
oklch(49.1% 0.207 262.1)
-
Step 800
800 (this color)
#174AB0
oklch(44.3% 0.172 262.1)
-
Step 900
900
#163C87
oklch(37.8% 0.133 262)
-
Step 950
950
#0E244F
oklch(27.1% 0.084 262)
#174AB0 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) | #0058B3 | 0.035 |
| Deuteranopia (no green cones) | #004AAE | 0.010 |
| Tritanopia (no blue cones) | #006475 | 0.133 |
| Achromatopsia (no color) | #515151 | 0.172 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #174AB0
#174AB0
oklch(44.3% 0.172 262.1)
- #6C4D00
#6C4D00
oklch(44.2% 0.091 81.9)
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 #174AB0, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue Blue #2242C7 ΔE 0.041
- Sapphire #2138AB ΔE 0.042
- Cobalt #1E488F ΔE 0.054
- Majorelle Blue #3F37C9 ΔE 0.064
- Blueberry #464196 ΔE 0.065
- Dusk Blue #26538D ΔE 0.065
- Light Navy #155084 ΔE 0.076
- Blue With A Hint Of Purple #533CC6 ΔE 0.079
Use #174AB0 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.