#3D458C
Closest named color: Blueberry (#464196). oklch(42.2% 0.117 275.4), rgb(61, 69, 140).
Aa
White text reads best on this color (8.64:1).
About this color
#3D458C is a dark, moderately saturated blue. In OKLCH its lightness is 42%, its chroma 0.117 and its hue 275°. Its hue sits on the cool side of the wheel. The nearest named color is Blueberry (#464196), ΔE 0.024 away. White text reads best on it, at 8.64:1.
| Hue family | Blues |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.117) |
| Temperature | cool |
| Nearest name | Blueberry (#464196) |
| Black text | 2.42:1 |
| White text | 8.64:1 |
Values
| HEX | #3D458C |
| RGB | rgb(61, 69, 140) |
| HSL | hsl(234, 39%, 39%) |
| OKLCH | oklch(42.2% 0.117 275.4) |
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 #3D458C | 8.64:1 | AAA | Lc -94.0 | Preferred for body text |
| Black text on #3D458C | 2.42:1 | Fails | Lc 14.5 | Not readable |
| #3D458C text on white | 8.64:1 | AAA | Lc 89.5 | Fine for body text |
| #3D458C text on black | 2.42:1 | Fails | Lc -12.8 | 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
#F3F5FC
oklch(97.1% 0.01 273.4)
-
Step 100
100
#E6E9F7
oklch(93.6% 0.019 276.3)
-
Step 200
200
#D2D8F3
oklch(88.6% 0.038 275.7)
-
Step 300
300
#B4BEED
oklch(81% 0.067 275.4)
-
Step 400
400
#8D9BE4
oklch(70.7% 0.108 275)
-
Step 500
500
#7280DD
oklch(63.1% 0.14 275.2)
-
Step 600
600
#5C67CA
oklch(55.5% 0.152 275.5)
-
Step 700
700
#4C56AF
oklch(49.2% 0.14 275.2)
-
Step 800
800 (this color)
#3D458C
oklch(42.2% 0.117 275.4)
-
Step 900
900
#353C71
oklch(37.8% 0.09 275.5)
-
Step 950
950
#1F2342
oklch(26.9% 0.058 276.3)
#3D458C 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) | #224F8F | 0.037 |
| Deuteranopia (no green cones) | #17488A | 0.040 |
| Tritanopia (no blue cones) | #145562 | 0.103 |
| Achromatopsia (no color) | #4C4C4C | 0.117 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3D458C
#3D458C
oklch(42.2% 0.117 275.4)
- #5C4D00
#5C4D00
oklch(42.3% 0.087 96.2)
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 #3D458C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blueberry #464196 ΔE 0.024
- Dark Slate Blue #483D8B ΔE 0.025
- Cobalt #1E488F ΔE 0.035
- Dusk Blue #26538D ΔE 0.043
- Twilight #4E518B ΔE 0.045
- Light Navy #155084 ΔE 0.050
- Dusk #4E5481 ΔE 0.058
- Twilight Blue #0A437A ΔE 0.061
Use #3D458C 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.