#345191
Closest named color: Dusk Blue (#26538D). oklch(44.6% 0.111 264.1), rgb(52, 81, 145).
Aa
White text reads best on this color (7.68:1).
About this color
#345191 is a dark, moderately saturated blue. In OKLCH its lightness is 45%, its chroma 0.111 and its hue 264°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk Blue (#26538D), ΔE 0.017 away. White text reads best on it, at 7.68:1.
| Hue family | Blues |
| Lightness | dark (45%) |
| Chroma | moderately saturated (0.111) |
| Temperature | cool |
| Nearest name | Dusk Blue (#26538D) |
| Black text | 2.73:1 |
| White text | 7.68:1 |
Values
| HEX | #345191 |
| RGB | rgb(52, 81, 145) |
| HSL | hsl(221, 47%, 39%) |
| OKLCH | oklch(44.6% 0.111 264.1) |
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 #345191 | 7.68:1 | AAA | Lc -91.3 | Preferred for body text |
| Black text on #345191 | 2.73:1 | Fails | Lc 17.5 | Dividers and decoration only |
| #345191 text on white | 7.68:1 | AAA | Lc 86.5 | Fine for body text |
| #345191 text on black | 2.73:1 | Fails | Lc -15.6 | 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
#F2F5FB
oklch(97% 0.009 264.5)
-
Step 100
100
#E4EAF7
oklch(93.6% 0.019 266)
-
Step 200
200
#CDD9F2
oklch(88.4% 0.037 265.1)
-
Step 300
300
#ACC1EB
oklch(80.9% 0.064 264.1)
-
Step 400
400
#80A0E2
oklch(70.8% 0.104 264.1)
-
Step 500
500
#6087D9
oklch(63.2% 0.131 263.8)
-
Step 600
600
#476FC7
oklch(55.7% 0.144 263.9)
-
Step 700
700
#395CAC
oklch(49.1% 0.134 264.3)
-
Step 800
800 (this color)
#345191
oklch(44.6% 0.111 264.1)
-
Step 900
900
#2A406F
oklch(37.8% 0.085 263.9)
-
Step 950
950
#192541
oklch(26.9% 0.055 265.3)
#345191 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) | #345893 | 0.020 |
| Deuteranopia (no green cones) | #254F90 | 0.017 |
| Tritanopia (no blue cones) | #005F6A | 0.092 |
| Achromatopsia (no color) | #535353 | 0.111 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #345191
#345191
oklch(44.6% 0.111 264.1)
- #6C4F00
#6C4F00
oklch(44.6% 0.092 84.1)
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 #345191, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk Blue #26538D ΔE 0.017
- Denim Blue #3B5B92 ΔE 0.031
- Light Navy Blue #2E5A88 ΔE 0.033
- Twilight #4E518B ΔE 0.035
- Light Navy #155084 ΔE 0.036
- Cobalt #1E488F ΔE 0.037
- Deep Sea Blue #015482 ΔE 0.044
- Dusk #4E5481 ΔE 0.045
Use #345191 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.