#3D426D
Closest named color: Dark Grey Blue (#29465B). oklch(39.5% 0.073 277.5), rgb(61, 66, 109).
Aa
White text reads best on this color (9.55:1).
About this color
#3D426D is a dark, moderately saturated blue. In OKLCH its lightness is 40%, its chroma 0.073 and its hue 277°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.046 away. White text reads best on it, at 9.55:1.
| Hue family | Blues |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.073) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.19:1 |
| White text | 9.55:1 |
Values
| HEX | #3D426D |
| RGB | rgb(61, 66, 109) |
| HSL | hsl(234, 28%, 33%) |
| OKLCH | oklch(39.5% 0.073 277.5) |
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 #3D426D | 9.55:1 | AAA | Lc -96.3 | Preferred for body text |
| Black text on #3D426D | 2.19:1 | Fails | Lc 11.9 | Not readable |
| #3D426D text on white | 9.55:1 | AAA | Lc 92.0 | Preferred for body text |
| #3D426D text on black | 2.19:1 | Fails | Lc -10.4 | 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
#F4F5FA
oklch(97.1% 0.007 277.2)
-
Step 100
100
#E7E9F5
oklch(93.6% 0.016 278.5)
-
Step 200
200
#D4D8EE
oklch(88.6% 0.03 277.6)
-
Step 300
300
#B7BEE4
oklch(80.9% 0.054 276.9)
-
Step 400
400
#939CD7
oklch(70.8% 0.087 277.2)
-
Step 500
500
#7982CC
oklch(63.1% 0.112 277.4)
-
Step 600
600
#636AB9
oklch(55.5% 0.122 277.8)
-
Step 700
700
#52589F
oklch(49% 0.113 277.7)
-
Step 800
800
#434981
oklch(42.8% 0.092 277.1)
-
Step 900
900 (this color)
#3D426D
oklch(39.5% 0.073 277.5)
-
Step 950
950
#21243D
oklch(27% 0.047 277.6)
#3D426D 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) | #33476F | 0.019 |
| Deuteranopia (no green cones) | #30436C | 0.019 |
| Tritanopia (no blue cones) | #2E4B52 | 0.065 |
| Achromatopsia (no color) | #454545 | 0.073 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3D426D
#3D426D
oklch(39.5% 0.073 277.5)
- #51460F
#51460F
oklch(39.4% 0.073 97.4)
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 #3D426D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.046
- Twilight Blue #0A437A ΔE 0.054
- Dark Slate Blue #483D8B ΔE 0.057
- Light Navy #155084 ΔE 0.059
- Charcoal #264653 ΔE 0.060
- Cobalt #1E488F ΔE 0.064
- Dusk #4E5481 ΔE 0.065
- Dusk Blue #26538D ΔE 0.067
Use #3D426D 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.