#3D4060
Closest named color: Dark Grey Blue (#29465B). oklch(38.3% 0.055 279.4), rgb(61, 64, 96).
Aa
White text reads best on this color (9.99:1).
About this color
#3D4060 is a dark, muted blue. In OKLCH its lightness is 38%, its chroma 0.055 and its hue 279°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.035 away. White text reads best on it, at 9.99:1.
| Hue family | Blues |
| Lightness | dark (38%) |
| Chroma | muted (0.055) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.10:1 |
| White text | 9.99:1 |
Values
| HEX | #3D4060 |
| RGB | rgb(61, 64, 96) |
| HSL | hsl(235, 22%, 31%) |
| OKLCH | oklch(38.3% 0.055 279.4) |
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 #3D4060 | 9.99:1 | AAA | Lc -97.3 | Preferred for body text |
| Black text on #3D4060 | 2.10:1 | Fails | Lc 10.8 | Not readable |
| #3D4060 text on white | 9.99:1 | AAA | Lc 93.2 | Preferred for body text |
| #3D4060 text on black | 2.10:1 | Fails | Lc -9.3 | 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
#F4F5F9
oklch(97.1% 0.005 275)
-
Step 100
100
#E8E9F2
oklch(93.6% 0.012 281.1)
-
Step 200
200
#D5D8E8
oklch(88.5% 0.022 277.5)
-
Step 300
300
#BABEDB
oklch(80.8% 0.041 279.2)
-
Step 400
400
#989DC9
oklch(70.8% 0.064 279.6)
-
Step 500
500
#7F84BC
oklch(63.1% 0.084 279.8)
-
Step 600
600
#686DA8
oklch(55.6% 0.091 279.3)
-
Step 700
700
#575B90
oklch(49.1% 0.085 279.5)
-
Step 800
800
#474A75
oklch(42.6% 0.071 279.9)
-
Step 900
900 (this color)
#3D4060
oklch(38.3% 0.055 279.4)
-
Step 950
950
#232537
oklch(27.1% 0.034 279)
#3D4060 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) | #364461 | 0.015 |
| Deuteranopia (no green cones) | #34415F | 0.014 |
| Tritanopia (no blue cones) | #34464B | 0.049 |
| Achromatopsia (no color) | #424242 | 0.055 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3D4060
#3D4060
oklch(38.3% 0.055 279.4)
- #4A441F
#4A441F
oklch(38.3% 0.055 100.2)
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 #3D4060, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.035
- Charcoal #264653 ΔE 0.046
- Charcoal Grey #3C4142 ΔE 0.054
- Dark Blue Grey #1F3B4D ΔE 0.057
- Onyx #343A40 ΔE 0.058
- Prussian Blue #1D3557 ΔE 0.062
- Twilight Blue #0A437A ΔE 0.065
- Dark Slate Gray #2F4F4F ΔE 0.066
Use #3D4060 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.