#3A609F
Closest named color: Dusky Blue (#475F94). oklch(49.2% 0.11 260), rgb(58, 96, 159).
Aa
White text reads best on this color (6.26:1).
About this color
#3A609F is a medium-dark, moderately saturated blue. In OKLCH its lightness is 49%, its chroma 0.110 and its hue 260°. Its hue sits on the cool side of the wheel. The nearest named color is Dusky Blue (#475F94), ΔE 0.022 away. White text reads best on it, at 6.26:1.
| Hue family | Blues |
| Lightness | medium-dark (49%) |
| Chroma | moderately saturated (0.110) |
| Temperature | cool |
| Nearest name | Dusky Blue (#475F94) |
| Black text | 3.35:1 |
| White text | 6.26:1 |
Values
| HEX | #3A609F |
| RGB | rgb(58, 96, 159) |
| HSL | hsl(217, 47%, 43%) |
| OKLCH | oklch(49.2% 0.11 260) |
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 #3A609F | 6.26:1 | AA | Lc -86.1 | Fine for body text |
| Black text on #3A609F | 3.35:1 | AA large text | Lc 23.1 | Dividers and decoration only |
| #3A609F text on white | 6.26:1 | AA | Lc 81.0 | Fine for body text |
| #3A609F text on black | 3.35:1 | AA large text | Lc -20.9 | 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 700.
-
Step 50
50
#F3F6FA
oklch(97.2% 0.006 255.5)
-
Step 100
100
#E4EAF4
oklch(93.5% 0.015 260.7)
-
Step 200
200
#CEDAED
oklch(88.5% 0.029 259.6)
-
Step 300
300
#ADC2E4
oklch(81% 0.053 260)
-
Step 400
400
#81A2D6
oklch(70.7% 0.085 259.3)
-
Step 500
500
#628ACB
oklch(63.2% 0.108 259.8)
-
Step 600
600
#4872B8
oklch(55.5% 0.119 260.1)
-
Step 700
700 (this color)
#3A609F
oklch(49.2% 0.11 260)
-
Step 800
800
#304E81
oklch(42.6% 0.092 260.4)
-
Step 900
900
#2B4167
oklch(37.6% 0.071 260.8)
-
Step 950
950
#19263C
oklch(26.8% 0.045 260.5)
#3A609F 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) | #4465A2 | 0.020 |
| Deuteranopia (no green cones) | #365C9E | 0.013 |
| Tritanopia (no blue cones) | #006E78 | 0.092 |
| Achromatopsia (no color) | #606060 | 0.110 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3A609F
#3A609F
oklch(49.2% 0.11 260)
- #7F5900
#7F5900
oklch(49.2% 0.102 79.8)
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 #3A609F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusky Blue #475F94 ΔE 0.022
- Denim Blue #3B5B92 ΔE 0.023
- Denim #3B638C ΔE 0.034
- French Blue #436BAD ΔE 0.038
- Mid Blue #276AB3 ΔE 0.039
- Peacock Blue #016795 ΔE 0.042
- Light Navy Blue #2E5A88 ΔE 0.042
- Muted Blue #3B719F ΔE 0.050
Use #3A609F 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.