#3D426F
Closest named color: Dark Grey Blue (#29465B). oklch(39.6% 0.076 277.5), rgb(61, 66, 111).
Aa
White text reads best on this color (9.51:1).
About this color
#3D426F is a dark, moderately saturated blue. In OKLCH its lightness is 40%, its chroma 0.076 and its hue 278°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.049 away. White text reads best on it, at 9.51:1.
| Hue family | Blues |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.076) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.20:1 |
| White text | 9.51:1 |
Values
| HEX | #3D426F |
| RGB | rgb(61, 66, 111) |
| HSL | hsl(234, 29%, 34%) |
| OKLCH | oklch(39.6% 0.076 277.5) |
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 #3D426F | 9.51:1 | AAA | Lc -96.2 | Preferred for body text |
| Black text on #3D426F | 2.20:1 | Fails | Lc 12.0 | Not readable |
| #3D426F text on white | 9.51:1 | AAA | Lc 91.9 | Preferred for body text |
| #3D426F text on black | 2.20:1 | Fails | Lc -10.5 | 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
#F4F5FB
oklch(97.1% 0.008 278.6)
-
Step 100
100
#E7E9F5
oklch(93.6% 0.016 278.5)
-
Step 200
200
#D4D8EF
oklch(88.6% 0.032 277.9)
-
Step 300
300
#B7BEE6
oklch(80.9% 0.057 277.3)
-
Step 400
400
#929BD9
oklch(70.6% 0.091 277.4)
-
Step 500
500
#7982CF
oklch(63.2% 0.116 277.5)
-
Step 600
600
#626ABC
oklch(55.6% 0.126 277.2)
-
Step 700
700
#5258A2
oklch(49.2% 0.117 277.7)
-
Step 800
800
#434883
oklch(42.7% 0.097 277.8)
-
Step 900
900 (this color)
#3D426F
oklch(39.6% 0.076 277.5)
-
Step 950
950
#21243E
oklch(27.1% 0.048 277.6)
#3D426F 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) | #324871 | 0.022 |
| Deuteranopia (no green cones) | #2E446E | 0.021 |
| Tritanopia (no blue cones) | #2D4B53 | 0.067 |
| Achromatopsia (no color) | #454545 | 0.076 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3D426F
#3D426F
oklch(39.6% 0.076 277.5)
- #52470B
#52470B
oklch(39.8% 0.076 98.1)
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 #3D426F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.049
- Twilight Blue #0A437A ΔE 0.053
- Dark Slate Blue #483D8B ΔE 0.054
- Light Navy #155084 ΔE 0.058
- Cobalt #1E488F ΔE 0.061
- Charcoal #264653 ΔE 0.063
- Dusk #4E5481 ΔE 0.064
- Dusk Blue #26538D ΔE 0.065
Use #3D426F 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.