#174674
Closest named color: Twilight Blue (#0A437A). oklch(38.8% 0.093 251.2), rgb(23, 70, 116).
Aa
White text reads best on this color (9.70:1).
About this color
#174674 is a dark, moderately saturated blue. In OKLCH its lightness is 39%, its chroma 0.093 and its hue 251°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight Blue (#0A437A), ΔE 0.017 away. White text reads best on it, at 9.70:1.
| Hue family | Blues |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.093) |
| Temperature | cool |
| Nearest name | Twilight Blue (#0A437A) |
| Black text | 2.16:1 |
| White text | 9.70:1 |
Values
| HEX | #174674 |
| RGB | rgb(23, 70, 116) |
| HSL | hsl(210, 67%, 27%) |
| OKLCH | oklch(38.8% 0.093 251.2) |
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 #174674 | 9.70:1 | AAA | Lc -96.4 | Preferred for body text |
| Black text on #174674 | 2.16:1 | Fails | Lc 11.8 | Not readable |
| #174674 text on white | 9.70:1 | AAA | Lc 92.2 | Preferred for body text |
| #174674 text on black | 2.16:1 | Fails | Lc -10.3 | 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 900.
-
Step 50
50
#F1F6FC
oklch(97.1% 0.01 252.8)
-
Step 100
100
#E0EBF7
oklch(93.5% 0.02 250.4)
-
Step 200
200
#C7DCF3
oklch(88.6% 0.039 250.7)
-
Step 300
300
#A0C4ED
oklch(80.8% 0.07 252)
-
Step 400
400
#6AA5E4
oklch(70.7% 0.112 251.1)
-
Step 500
500
#3E8DDC
oklch(63.2% 0.142 251.1)
-
Step 600
600
#1275CA
oklch(55.6% 0.155 251.2)
-
Step 700
700
#0062AE
oklch(49.1% 0.143 251.1)
-
Step 800
800
#09508D
oklch(42.6% 0.119 251.2)
-
Step 900
900 (this color)
#174674
oklch(38.8% 0.093 251.2)
-
Step 950
950
#0D2842
oklch(27.1% 0.059 250.2)
#174674 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) | #304976 | 0.028 |
| Deuteranopia (no green cones) | #224073 | 0.019 |
| Tritanopia (no blue cones) | #005157 | 0.070 |
| Achromatopsia (no color) | #444444 | 0.093 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #174674
#174674
oklch(38.8% 0.093 251.2)
- #603B00
#603B00
oklch(38.7% 0.084 70.4)
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 #174674, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight Blue #0A437A ΔE 0.017
- Light Navy #155084 ΔE 0.037
- Deep Sea Blue #015482 ΔE 0.044
- Dark Grey Blue #29465B ΔE 0.045
- Cobalt #1E488F ΔE 0.046
- Marine Blue #01386A ΔE 0.049
- Dusk Blue #26538D ΔE 0.056
- Charcoal #264653 ΔE 0.058
Use #174674 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.