#174264
Closest named color: Dark Grey Blue (#29465B). oklch(36.7% 0.075 245.9), rgb(23, 66, 100).
Aa
White text reads best on this color (10.50:1).
About this color
#174264 is a dark, moderately saturated blue. In OKLCH its lightness is 37%, its chroma 0.075 and its hue 246°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.029 away. White text reads best on it, at 10.50:1.
| Hue family | Blues |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.075) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 1.99:1 |
| White text | 10.50:1 |
Values
| HEX | #174264 |
| RGB | rgb(23, 66, 100) |
| HSL | hsl(206, 63%, 24%) |
| OKLCH | oklch(36.7% 0.075 245.9) |
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 #174264 | 10.50:1 | AAA | Lc -98.1 | Preferred for body text |
| Black text on #174264 | 1.99:1 | Fails | Lc 9.8 | Not readable |
| #174264 text on white | 10.50:1 | AAA | Lc 94.1 | Preferred for body text |
| #174264 text on black | 1.99:1 | Fails | Lc -8.4 | 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 900.
-
Step 50
50
#F1F6FA
oklch(97.1% 0.008 241.7)
-
Step 100
100
#E1EBF4
oklch(93.5% 0.016 245.1)
-
Step 200
200
#C9DCED
oklch(88.6% 0.031 245.1)
-
Step 300
300
#A3C5E3
oklch(80.9% 0.056 245.2)
-
Step 400
400
#70A6D6
oklch(70.6% 0.091 246.3)
-
Step 500
500
#478FCB
oklch(63% 0.116 246.2)
-
Step 600
600
#2478B8
oklch(55.5% 0.126 246.3)
-
Step 700
700
#15659E
oklch(49.1% 0.116 245.9)
-
Step 800
800
#165380
oklch(42.8% 0.096 245.6)
-
Step 900
900 (this color)
#174264
oklch(36.7% 0.075 245.9)
-
Step 950
950
#11283C
oklch(26.9% 0.047 246.9)
#174264 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) | #334365 | 0.031 |
| Deuteranopia (no green cones) | #283C63 | 0.023 |
| Tritanopia (no blue cones) | #004A4E | 0.054 |
| Achromatopsia (no color) | #3F3F3F | 0.075 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #174264
#174264
oklch(36.7% 0.075 245.9)
- #593609
#593609
oklch(36.7% 0.075 66.8)
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 #174264, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.029
- Twilight Blue #0A437A ΔE 0.038
- Charcoal #264653 ΔE 0.038
- Marine Blue #01386A ΔE 0.039
- Dark Blue Grey #1F3B4D ΔE 0.041
- Prussian Blue #1D3557 ΔE 0.043
- Midnight Green #073B4C ΔE 0.047
- Dark Teal #014D4E ΔE 0.061
Use #174264 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.