#1746A0
Closest named color: Cobalt (#1E488F). oklch(42.1% 0.155 261.7), rgb(23, 70, 160).
Aa
White text reads best on this color (8.67:1).
About this color
#1746A0 is a dark, vivid blue. In OKLCH its lightness is 42%, its chroma 0.155 and its hue 262°. Its hue sits on the cool side of the wheel. The nearest named color is Cobalt (#1E488F), ΔE 0.029 away. White text reads best on it, at 8.67:1.
| Hue family | Blues |
| Lightness | dark (42%) |
| Chroma | vivid (0.155) |
| Temperature | cool |
| Nearest name | Cobalt (#1E488F) |
| Black text | 2.42:1 |
| White text | 8.67:1 |
Values
| HEX | #1746A0 |
| RGB | rgb(23, 70, 160) |
| HSL | hsl(219, 75%, 36%) |
| OKLCH | oklch(42.1% 0.155 261.7) |
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 #1746A0 | 8.67:1 | AAA | Lc -93.7 | Preferred for body text |
| Black text on #1746A0 | 2.42:1 | Fails | Lc 14.8 | Not readable |
| #1746A0 text on white | 8.67:1 | AAA | Lc 89.2 | Fine for body text |
| #1746A0 text on black | 2.42:1 | Fails | Lc -13.1 | 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
#F1F6FE
oklch(97.2% 0.012 259.8)
-
Step 100
100
#E0EAFC
oklch(93.5% 0.027 262.3)
-
Step 200
200
#C7DAFB
oklch(88.5% 0.05 261.5)
-
Step 300
300
#A0C1FC
oklch(80.8% 0.091 261.8)
-
Step 400
400
#6D9FFA
oklch(70.7% 0.144 261.6)
-
Step 500
500
#4683F7
oklch(63% 0.185 261.8)
-
Step 600
600
#2869E6
oklch(55.5% 0.201 261.8)
-
Step 700
700
#1B57C8
oklch(49.1% 0.187 261.6)
-
Step 800
800 (this color)
#1746A0
oklch(42.1% 0.155 261.7)
-
Step 900
900
#1A3D80
oklch(37.6% 0.121 261.8)
-
Step 950
950
#10254B
oklch(27.1% 0.076 261.2)
#1746A0 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) | #0052A3 | 0.031 |
| Deuteranopia (no green cones) | #00459E | 0.012 |
| Tritanopia (no blue cones) | #005C6C | 0.118 |
| Achromatopsia (no color) | #4B4B4B | 0.155 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1746A0
#1746A0
oklch(42.1% 0.155 261.7)
- #654800
#654800
oklch(42.2% 0.087 82.1)
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 #1746A0, closest first.
No curated palette has a color within ΔE 0.04 of #1746A0.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cobalt #1E488F ΔE 0.029
- Sapphire #2138AB ΔE 0.037
- Dusk Blue #26538D ΔE 0.053
- Blueberry #464196 ΔE 0.055
- Light Navy #155084 ΔE 0.057
- Blue Blue #2242C7 ΔE 0.064
- Twilight Blue #0A437A ΔE 0.065
- Dark Slate Blue #483D8B ΔE 0.066
Use #1746A0 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.